From 7da695157337f21030db7e0b235061db3b6e0067 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:22:22 +0200
Subject: [PATCH 01/10] feat: send manual account test messages and fit quota
 actions

---
 .../[id]/components/ConnectionRow.tsx         |   6 +
 .../dashboard/settings/ai/page.tsx            |   2 +
 .../components/ConnectionTestSettings.tsx     |  93 ++++++++
 .../components/ProviderLimits/QuotaCard.tsx   |   1 +
 .../parts/QuotaCardExpanded.tsx               |  77 ++++---
 .../ProviderLimits/parts/QuotaCardHeader.tsx  |   9 +
 .../api/providers/[id]/test-message/route.ts  | 120 ++++++++++
 src/i18n/messages/de.json                     |  22 +-
 src/i18n/messages/en.json                     |  22 +-
 src/lib/api/modelTestRunner.ts                |  16 ++
 .../components/ConnectionTestButton.tsx       | 217 ++++++++++++++++++
 src/shared/constants/connectionTest.ts        |   3 +
 src/shared/validation/settingsSchemas.ts      |   2 +
 tests/helpers/assertQuotaCardLayout.cjs       |  61 +++++
 tests/unit/connection-test-message.test.ts    | 213 +++++++++++++++++
 .../unit/ui/connection-test-message.test.tsx  | 200 ++++++++++++++++
 16 files changed, 1025 insertions(+), 39 deletions(-)
 create mode 100644 src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings.tsx
 create mode 100644 src/app/api/providers/[id]/test-message/route.ts
 create mode 100644 src/shared/components/ConnectionTestButton.tsx
 create mode 100644 src/shared/constants/connectionTest.ts
 create mode 100644 tests/helpers/assertQuotaCardLayout.cjs
 create mode 100644 tests/unit/connection-test-message.test.ts
 create mode 100644 tests/unit/ui/connection-test-message.test.tsx

diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/ConnectionRow.tsx b/src/app/(dashboard)/dashboard/providers/[id]/components/ConnectionRow.tsx
index a6e6f3ec31e9..181f8533c958 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/components/ConnectionRow.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/ConnectionRow.tsx
@@ -1,5 +1,7 @@
 "use client";
 
+import ConnectionTestButton from "@/shared/components/ConnectionTestButton";
+
 // Phase 1d extraction — Issue #3501
 // ConnectionRow (and its local helpers CooldownTimer, inferErrorType,
 // getStatusPresentation) moved out of ProviderDetailPageClient.tsx.
@@ -850,6 +852,10 @@ export default function ConnectionRow({
         </div>
       </div>
       <div className="flex items-center gap-2">
+        <ConnectionTestButton
+          connectionId={connection.id}
+          disabled={connection.isActive === false}
+        />
         <Button
           size="sm"
           variant="ghost"
diff --git a/src/app/(dashboard)/dashboard/settings/ai/page.tsx b/src/app/(dashboard)/dashboard/settings/ai/page.tsx
index 754942c534f5..4ef717bffac0 100644
--- a/src/app/(dashboard)/dashboard/settings/ai/page.tsx
+++ b/src/app/(dashboard)/dashboard/settings/ai/page.tsx
@@ -1,6 +1,7 @@
 "use client";
 
 import { useTranslations } from "next-intl";
+import ConnectionTestSettings from "../components/ConnectionTestSettings";
 import ThinkingBudgetTab from "../components/ThinkingBudgetTab";
 import ModalityBridgeMovedCard from "../components/ModalityBridgeMovedCard";
 import SystemPromptTab from "../components/SystemPromptTab";
@@ -24,6 +25,7 @@ export default function SettingsAiPage() {
       <ResponsesStatePolicyTab />
       <UsageTokenBufferTab />
       <CodexFastTierTab />
+      <ConnectionTestSettings />
       <CodexAutoPingTab />
       <ClaudeFastModeTab />
       <MemorySkillsTab />
diff --git a/src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings.tsx b/src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings.tsx
new file mode 100644
index 000000000000..f28c57d4de47
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings.tsx
@@ -0,0 +1,93 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useTranslations } from "next-intl";
+import Card from "@/shared/components/Card";
+import Button from "@/shared/components/Button";
+import {
+  DEFAULT_CONNECTION_TEST_PROMPT,
+  CONNECTION_TEST_PROMPT_MAX_LENGTH,
+} from "@/shared/constants/connectionTest";
+
+export default function ConnectionTestSettings() {
+  const t = useTranslations("connectionTest");
+  const [prompt, setPrompt] = useState(DEFAULT_CONNECTION_TEST_PROMPT);
+  const [loading, setLoading] = useState(true);
+  const [saving, setSaving] = useState(false);
+  const [saved, setSaved] = useState(false);
+  const [error, setError] = useState(false);
+  useEffect(() => {
+    let cancelled = false;
+    fetch("/api/settings")
+      .then(async (response) => {
+        if (!response.ok) throw new Error();
+        const data = await response.json();
+        if (!cancelled) setPrompt(data.connectionTestPrompt || DEFAULT_CONNECTION_TEST_PROMPT);
+      })
+      .catch(() => {
+        if (!cancelled) setError(true);
+      })
+      .finally(() => {
+        if (!cancelled) setLoading(false);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+  async function save() {
+    if (saving || loading || !prompt.trim()) return;
+    setSaving(true);
+    setSaved(false);
+    setError(false);
+    try {
+      const response = await fetch("/api/settings", {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ connectionTestPrompt: prompt.trim() }),
+      });
+      if (!response.ok) throw new Error();
+      setPrompt(prompt.trim());
+      setSaved(true);
+    } catch {
+      setError(true);
+    } finally {
+      setSaving(false);
+    }
+  }
+  return (
+    <Card>
+      <h3 className="text-lg font-semibold">{t("settingsTitle")}</h3>
+      <p className="mt-1 text-sm text-text-muted">{t("settingsDescription")}</p>
+      <label htmlFor="connection-test-prompt" className="mt-4 block text-sm font-medium">
+        {t("message")}
+      </label>
+      <textarea
+        id="connection-test-prompt"
+        rows={3}
+        value={prompt}
+        maxLength={CONNECTION_TEST_PROMPT_MAX_LENGTH}
+        disabled={loading || saving}
+        className="mt-2 w-full rounded-lg border border-border bg-bg-main p-3 text-sm"
+        onChange={(event) => {
+          setPrompt(event.target.value);
+          setSaved(false);
+        }}
+      />
+      <div className="mt-3 flex items-center gap-3">
+        <Button loading={saving} disabled={loading || !prompt.trim()} onClick={save}>
+          {t("saveMessage")}
+        </Button>
+        {saved && (
+          <span role="status" className="text-sm text-green-600">
+            {t("saved")}
+          </span>
+        )}
+        {error && (
+          <span role="alert" className="text-sm text-red-500">
+            {t("failed")}
+          </span>
+        )}
+      </div>
+    </Card>
+  );
+}
diff --git a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaCard.tsx b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaCard.tsx
index af76b84a773c..0560108b59fc 100644
--- a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaCard.tsx
+++ b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaCard.tsx
@@ -146,6 +146,7 @@ export default function QuotaCard({
         hasStaleData={hasStaleData}
         onToggleActive={onToggleActive}
         togglingActive={togglingActive}
+        onTestSent={onRefresh}
       />
       <QuotaCardExpanded
         quotas={quotas}
diff --git a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded.tsx b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded.tsx
index 8dcc5c3397e6..3a7d1e86e37c 100644
--- a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded.tsx
+++ b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded.tsx
@@ -447,22 +447,41 @@ export default function QuotaCardExpanded({
         </button>
       )}
 
-      <div className="flex flex-wrap items-center justify-between gap-1.5 pt-1.5 border-t border-border/40">
-        {refreshedLabel && (
-          <span
-            className={`text-[10px] tabular-nums shrink-0 ${
-              hasStaleData ? "text-amber-500" : "text-text-muted"
-            }`}
-            title={
-              hasStaleData
-                ? t("staleQuotaTooltip")
-                : `${tr("lastRefreshed", "Last refreshed")}: ${refreshedLabel}`
-            }
+      <div className="min-w-0 space-y-1.5 pt-1.5 border-t border-border/40">
+        <div className="flex min-w-0 items-center justify-between gap-2">
+          {refreshedLabel && (
+            <span
+              className={`text-[10px] tabular-nums ${
+                hasStaleData ? "text-amber-500" : "text-text-muted"
+              }`}
+              title={
+                hasStaleData
+                  ? t("staleQuotaTooltip")
+                  : `${tr("lastRefreshed", "Last refreshed")}: ${refreshedLabel}`
+              }
+            >
+              {tr("updatedShort", "Updated")} {refreshedLabel}
+            </span>
+          )}
+          <button
+            type="button"
+            disabled={loading}
+            title={tr("forceRefresh", "Refresh now")}
+            aria-label={tr("forceRefresh", "Refresh now")}
+            onClick={(e) => {
+              e.stopPropagation();
+              onRefresh();
+            }}
+            className="ml-auto inline-flex size-7 shrink-0 items-center justify-center rounded-md border border-border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer"
           >
-            {tr("updatedShort", "Updated")} {refreshedLabel}
-          </span>
-        )}
-        <div className="flex flex-wrap items-center justify-end gap-1.5 ml-auto">
+            <span
+              className={`material-symbols-outlined text-[12px] ${loading ? "animate-spin" : ""}`}
+            >
+              refresh
+            </span>
+          </button>
+        </div>
+        <div className="grid min-w-0 grid-cols-[repeat(auto-fit,minmax(min(100%,5rem),1fr))] gap-1.5">
           {canRedeemResetCredit && (
             <button
               type="button"
@@ -471,7 +490,7 @@ export default function QuotaCardExpanded({
                 e.stopPropagation();
                 onOpenResetCredits?.();
               }}
-              className="inline-flex shrink-0 items-center gap-1 text-[11px] font-medium px-2 py-1 rounded-md border border-primary/40 text-primary bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer"
+              className="inline-flex min-w-0 items-center justify-center gap-1 break-words text-[11px] font-medium px-1.5 py-1.5 rounded-md border border-primary/40 text-primary bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer"
             >
               <span
                 className={`material-symbols-outlined text-[12px] ${
@@ -480,7 +499,7 @@ export default function QuotaCardExpanded({
               >
                 {redeemingResetCredit || loadingResetCredits ? "progress_activity" : "restart_alt"}
               </span>
-              {tr("manageResetCredits", "View credits")}
+              <span className="min-w-0">{tr("manageResetCredits", "View credits")}</span>
             </button>
           )}
           <button
@@ -490,12 +509,12 @@ export default function QuotaCardExpanded({
               e.stopPropagation();
               onOpenCutoff();
             }}
-            className={`inline-flex shrink-0 items-center gap-1 text-[11px] font-medium px-2 py-1 rounded-md border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer ${
+            className={`inline-flex min-w-0 items-center justify-center gap-1 break-words text-[11px] font-medium px-1.5 py-1.5 rounded-md border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer ${
               hasCutoffOverrides ? "border-primary/40 text-primary" : "border-border"
             }`}
           >
             <span className="material-symbols-outlined text-[12px]">tune</span>
-            {tr("editCutoffs", "Edit cutoffs")}
+            <span className="min-w-0">{tr("editCutoffs", "Edit cutoffs")}</span>
           </button>
           <button
             type="button"
@@ -503,26 +522,10 @@ export default function QuotaCardExpanded({
               e.stopPropagation();
               onOpenCost();
             }}
-            className="inline-flex shrink-0 items-center gap-1 text-[11px] font-medium px-2 py-1 rounded-md border border-border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] cursor-pointer"
+            className="inline-flex min-w-0 items-center justify-center gap-1 break-words text-[11px] font-medium px-1.5 py-1.5 rounded-md border border-border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] cursor-pointer"
           >
             <span className="material-symbols-outlined text-[12px]">bar_chart</span>
-            {t("usdCost")}
-          </button>
-          <button
-            type="button"
-            disabled={loading}
-            onClick={(e) => {
-              e.stopPropagation();
-              onRefresh();
-            }}
-            className="inline-flex shrink-0 items-center gap-1 text-[11px] font-medium px-2 py-1 rounded-md border border-border bg-bg-subtle hover:bg-black/[0.04] dark:hover:bg-white/[0.04] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer"
-          >
-            <span
-              className={`material-symbols-outlined text-[12px] ${loading ? "animate-spin" : ""}`}
-            >
-              refresh
-            </span>
-            {tr("forceRefresh", "Refresh now")}
+            <span className="min-w-0">{t("usdCost")}</span>
           </button>
         </div>
       </div>
diff --git a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardHeader.tsx b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardHeader.tsx
index 4bfe7b5c0776..9252ff38f702 100644
--- a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardHeader.tsx
+++ b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardHeader.tsx
@@ -1,6 +1,7 @@
 "use client";
 
 import { useTranslations } from "next-intl";
+import ConnectionTestButton from "@/shared/components/ConnectionTestButton";
 import Badge from "@/shared/components/Badge";
 import ProviderIcon from "@/shared/components/ProviderIcon";
 import { pickDisplayValue } from "@/shared/utils/maskEmail";
@@ -27,6 +28,7 @@ interface Props {
   onToggleActive: (nextActive: boolean) => void;
   /** True while the active-state PUT is in flight. */
   togglingActive: boolean;
+  onTestSent?: () => void;
 }
 
 export default function QuotaCardHeader({
@@ -39,6 +41,7 @@ export default function QuotaCardHeader({
   hasStaleData,
   onToggleActive,
   togglingActive,
+  onTestSent,
 }: Props) {
   const t = useTranslations("usage");
   const isActive = connection.isActive ?? true;
@@ -128,6 +131,12 @@ export default function QuotaCardHeader({
         </div>
       </div>
       <div className="flex shrink-0 items-center gap-0.5 self-center">
+        <ConnectionTestButton
+          connectionId={connection.id}
+          disabled={!isActive}
+          compact
+          onSent={onTestSent}
+        />
         <button
           type="button"
           disabled={togglingActive}
diff --git a/src/app/api/providers/[id]/test-message/route.ts b/src/app/api/providers/[id]/test-message/route.ts
new file mode 100644
index 000000000000..3f8eb483c7fe
--- /dev/null
+++ b/src/app/api/providers/[id]/test-message/route.ts
@@ -0,0 +1,120 @@
+import { z } from "zod";
+import { requireManagementAuth } from "@/lib/api/requireManagementAuth";
+import { getProviderConnectionById, updateProviderConnection } from "@/lib/db/providers";
+import { getSettings } from "@/lib/db/settings";
+import { runSingleModelTest } from "@/lib/api/modelTestRunner";
+import { sanitizeErrorMessage } from "@omniroute/open-sse/utils/error.ts";
+import { DEFAULT_CONNECTION_TEST_PROMPT } from "@/shared/constants/connectionTest";
+import { isFreeModel, providerHasFreeModels } from "@/shared/utils/freeModels";
+import { getProviderAlias } from "@/shared/constants/providers";
+
+const modelSchema = z
+  .object({
+    modelId: z
+      .string()
+      .trim()
+      .min(1)
+      .max(256)
+      .regex(/^[a-zA-Z0-9][a-zA-Z0-9._:/@+-]*$/),
+  })
+  .strict();
+const sending = new Set<string>();
+type Context = { params: Promise<{ id: string }> };
+
+function errorResponse(message: unknown, status: number) {
+  return Response.json({ error: { message: sanitizeErrorMessage(message) } }, { status });
+}
+
+function configuredModel(connection: Record<string, unknown>) {
+  const data = connection.providerSpecificData as Record<string, unknown> | undefined;
+  return typeof data?.connectionTestModel === "string" ? data.connectionTestModel : "";
+}
+
+export async function GET(request: Request, context: Context) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+  try {
+    const { id } = await context.params;
+    const connection = await getProviderConnectionById(id);
+    if (!connection) return errorResponse("Connection not found", 404);
+    const settings = await getSettings();
+    return Response.json({
+      modelId: configuredModel(connection),
+      prompt: settings.connectionTestPrompt || DEFAULT_CONNECTION_TEST_PROMPT,
+    });
+  } catch (error) {
+    return errorResponse(error, 500);
+  }
+}
+
+export async function PUT(request: Request, context: Context) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+  const parsed = modelSchema.safeParse(await request.json().catch(() => null));
+  if (!parsed.success) return errorResponse("Choose a valid chat model", 400);
+  try {
+    const { id } = await context.params;
+    const connection = await getProviderConnectionById(id);
+    if (!connection) return errorResponse("Connection not found", 404);
+    await updateProviderConnection(id, {
+      providerSpecificData: {
+        ...(connection.providerSpecificData || {}),
+        connectionTestModel: parsed.data.modelId,
+      },
+    });
+    return Response.json({ modelId: parsed.data.modelId });
+  } catch (error) {
+    return errorResponse(error, 500);
+  }
+}
+
+export async function POST(request: Request, context: Context) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+  const { id } = await context.params;
+  if (sending.has(id))
+    return errorResponse("A test message is already running for this account", 409);
+  sending.add(id);
+  try {
+    const connection = await getProviderConnectionById(id);
+    if (!connection) return errorResponse("Connection not found", 404);
+    if (connection.isActive === false)
+      return errorResponse("Activate this account before sending a test message", 409);
+    const modelId = configuredModel(connection);
+    if (!modelSchema.safeParse({ modelId }).success)
+      return errorResponse("Choose a test model for this account first", 400);
+    const provider = connection.provider as string;
+    const prefix = [provider, getProviderAlias(provider)].find(
+      (p) => p && modelId.startsWith(`${p}/`)
+    );
+    const upstreamModel = prefix ? modelId.slice(prefix.length + 1) : modelId;
+    const settings = await getSettings();
+    if (
+      settings.hidePaidModels === true &&
+      !(providerHasFreeModels(provider) && isFreeModel(provider, { id: upstreamModel }))
+    ) {
+      return errorResponse("Paid model blocked while hidePaidModels is enabled", 403);
+    }
+    const prompt = settings.connectionTestPrompt || DEFAULT_CONNECTION_TEST_PROMPT;
+    const result = await runSingleModelTest({
+      providerId: provider,
+      modelId: `${provider}/${upstreamModel}`,
+      connectionId: id,
+      prompt,
+      timeoutMs: 60_000,
+      streamChat: true,
+    });
+    if (result.status !== "ok")
+      return errorResponse(result.error || "Test message failed", result.httpStatus);
+    return Response.json({
+      modelId,
+      prompt,
+      responseText: result.responseText,
+      latencyMs: result.latencyMs,
+    });
+  } catch (error) {
+    return errorResponse(error, 500);
+  } finally {
+    sending.delete(id);
+  }
+}
diff --git a/src/i18n/messages/de.json b/src/i18n/messages/de.json
index 386f081ede7e..3d96a06dca3b 100644
--- a/src/i18n/messages/de.json
+++ b/src/i18n/messages/de.json
@@ -14440,5 +14440,25 @@
     "partnerLinkNote": "Partnerlink",
     "dismissAriaLabel": "Schließen"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktiviert die Generierung von Denkstufenvarianten (z. B. -low, -medium, -high) im /v1/models-Katalog."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktiviert die Generierung von Denkstufenvarianten (z. B. -low, -medium, -high) im /v1/models-Katalog.",
+  "connectionTest": {
+    "title": "Testnachricht",
+    "description": "Sende eine echte Anfrage über diesen Account. Das verbraucht etwas Quota und kann je nach Anbieter ein Nutzungsfenster starten.",
+    "loading": "Account-Modelle werden geladen…",
+    "model": "Testmodell für diesen Account",
+    "chooseModel": "Modell auswählen",
+    "unavailable": "nicht im aktuellen Katalog",
+    "noModels": "Keine Chatmodelle verfügbar. Synchronisiere zuerst die Modelle für diesen Account.",
+    "message": "Nachricht",
+    "settingsLink": "Nachricht in den AI Settings ändern",
+    "activateFirst": "Aktiviere diesen Account, bevor du eine Nachricht sendest.",
+    "saveModel": "Modell speichern",
+    "send": "Testnachricht senden",
+    "saved": "Gespeichert",
+    "answer": "Modellantwort",
+    "failed": "Die Anfrage ist fehlgeschlagen. Bitte versuche es erneut.",
+    "settingsTitle": "Manuelle Account-Testnachrichten",
+    "settingsDescription": "Diese Nachricht verwenden die Testknöpfe unter Connections und Provider Quota. Das Modell wählst du für jeden Account einzeln. Speichern sendet keine Nachricht und aktiviert keine automatischen Pings.",
+    "saveMessage": "Nachricht speichern"
+  }
 }
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 5544b968d7eb..0e772106c05e 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -14440,5 +14440,25 @@
     "partnerLinkNote": "Partner link",
     "dismissAriaLabel": "Dismiss"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Disable the generation of thinking level variants (e.g. -low, -medium, -high) in the /v1/models catalog."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Disable the generation of thinking level variants (e.g. -low, -medium, -high) in the /v1/models catalog.",
+  "connectionTest": {
+    "title": "Test message",
+    "description": "Send one real request through this account. This uses a small amount of quota and can start a usage window, depending on the provider.",
+    "loading": "Loading account models…",
+    "model": "Test model for this account",
+    "chooseModel": "Choose a model",
+    "unavailable": "not in the current catalog",
+    "noModels": "No chat models available. Sync the models for this account first.",
+    "message": "Message",
+    "settingsLink": "Change the message in AI Settings",
+    "activateFirst": "Activate this account before sending a message.",
+    "saveModel": "Save model",
+    "send": "Send test message",
+    "saved": "Saved",
+    "answer": "Model response",
+    "failed": "The request failed. Please try again.",
+    "settingsTitle": "Manual account test messages",
+    "settingsDescription": "This message is used by the test buttons under Connections and Provider Quota. Choose the model separately for each account. Saving does not send a message or enable automatic pings.",
+    "saveMessage": "Save message"
+  }
 }
diff --git a/src/lib/api/modelTestRunner.ts b/src/lib/api/modelTestRunner.ts
index ea98429c6745..0ebc93b039e3 100644
--- a/src/lib/api/modelTestRunner.ts
+++ b/src/lib/api/modelTestRunner.ts
@@ -354,6 +354,8 @@ export interface RunSingleModelTestOptions {
   connectionId?: string;
   timeoutMs?: number;
   streamChat?: boolean;
+  /** A manual connection message; only supported for chat models. */
+  prompt?: string;
 }
 
 export interface SingleModelTestResult {
@@ -514,6 +516,16 @@ export async function runSingleModelTest(
     };
   }
 
+  if (options.prompt !== undefined && (isEmbedding || isRerank || isAudioTranscription)) {
+    return {
+      modelId: fullModelStr,
+      status: "error",
+      latencyMs: Date.now() - startTime,
+      httpStatus: 400,
+      error: "Test messages require a chat model",
+    };
+  }
+
   const testBody = isRerank
     ? {
         model: fullModelStr,
@@ -544,6 +556,10 @@ export async function runSingleModelTest(
             maxTokens: !isEmbedding && streamChat ? STREAMING_CHAT_TEST_MAX_TOKENS : undefined,
           });
 
+  if (options.prompt !== undefined && "messages" in testBody) {
+    testBody.messages = [{ role: "user", content: options.prompt }];
+  }
+
   // Per-model AbortController. We track whether the timeout fired so we can
   // distinguish "rate-limit queue aborted" (withRateLimit threw AbortError
   // with no timeout) from "timeout fired and aborted withRateLimit".
diff --git a/src/shared/components/ConnectionTestButton.tsx b/src/shared/components/ConnectionTestButton.tsx
new file mode 100644
index 000000000000..a06bc1d2863e
--- /dev/null
+++ b/src/shared/components/ConnectionTestButton.tsx
@@ -0,0 +1,217 @@
+"use client";
+
+import { useEffect, useId, useRef, useState } from "react";
+import { useTranslations } from "next-intl";
+import Button from "./Button";
+import Modal, { TALL_MODAL_PROPS } from "./Modal";
+
+type Model = { id: string; name?: string };
+type Props = {
+  connectionId: string;
+  disabled?: boolean;
+  compact?: boolean;
+  onSent?: () => void;
+};
+
+async function readResponse(response: Response) {
+  const data = await response.json();
+  if (!response.ok) throw new Error(data.error?.message || data.error || response.statusText);
+  return data;
+}
+
+export default function ConnectionTestButton({ connectionId, disabled, compact, onSent }: Props) {
+  const t = useTranslations("connectionTest");
+  const inputId = useId();
+  const [open, setOpen] = useState(false);
+  const [loading, setLoading] = useState(false);
+  const [busy, setBusy] = useState(false);
+  const inFlight = useRef(false);
+  const [models, setModels] = useState<Model[]>([]);
+  const [modelId, setModelId] = useState("");
+  const [savedModelId, setSavedModelId] = useState("");
+  const [prompt, setPrompt] = useState("");
+  const [answer, setAnswer] = useState("");
+  const [error, setError] = useState("");
+  const [saved, setSaved] = useState(false);
+  const endpoint = `/api/providers/${encodeURIComponent(connectionId)}/test-message`;
+
+  useEffect(() => {
+    if (!open) return;
+    const controller = new AbortController();
+    setLoading(true);
+    setError("");
+    setAnswer("");
+    setSaved(false);
+    Promise.all([
+      fetch(endpoint, { signal: controller.signal }).then(readResponse),
+      fetch(
+        `/api/providers/${encodeURIComponent(connectionId)}/models?chatOnly=true&refresh=false`,
+        {
+          signal: controller.signal,
+        }
+      ).then(readResponse),
+    ])
+      .then(([config, catalog]) => {
+        if (controller.signal.aborted) return;
+        const available = (catalog.models || []).filter(
+          (model: Model) => typeof model.id === "string"
+        );
+        setModels(available);
+        setModelId(config.modelId || "");
+        setSavedModelId(config.modelId || "");
+        setPrompt(config.prompt);
+      })
+      .catch((failure) => {
+        if (!controller.signal.aborted) setError(failure.message || t("failed"));
+      })
+      .finally(() => {
+        if (!controller.signal.aborted) setLoading(false);
+      });
+    return () => controller.abort();
+  }, [open, connectionId, endpoint, t]);
+
+  async function act(send: boolean) {
+    if (inFlight.current || !modelId || loading || (send && disabled)) return;
+    inFlight.current = true;
+    setBusy(true);
+    setError("");
+    setSaved(false);
+    if (send) setAnswer("");
+    try {
+      await readResponse(
+        await fetch(endpoint, {
+          method: "PUT",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ modelId }),
+        })
+      );
+      setSavedModelId(modelId);
+      setSaved(true);
+      if (send) {
+        const result = await readResponse(await fetch(endpoint, { method: "POST" }));
+        setPrompt(result.prompt);
+        setAnswer(result.responseText);
+        onSent?.();
+      }
+    } catch (failure) {
+      setError(failure instanceof Error ? failure.message : t("failed"));
+    } finally {
+      inFlight.current = false;
+      setBusy(false);
+    }
+  }
+
+  const available = models.some((model) => model.id === modelId);
+  return (
+    <>
+      <Button
+        size="sm"
+        variant="ghost"
+        icon="send"
+        title={t("title")}
+        aria-label={t("title")}
+        className={compact ? "!px-1" : "!px-2"}
+        onClick={(event) => {
+          event.stopPropagation();
+          setOpen(true);
+        }}
+      >
+        {!compact && t("title")}
+      </Button>
+      {open && (
+        <Modal
+          {...TALL_MODAL_PROPS}
+          isOpen
+          onClose={() => {
+            if (!busy) setOpen(false);
+          }}
+          title={t("title")}
+          closeOnOverlay={!busy}
+          showCloseButton={!busy}
+        >
+          <div className="space-y-4">
+            <p className="text-sm text-text-muted">{t("description")}</p>
+            {loading ? (
+              <p role="status">{t("loading")}</p>
+            ) : (
+              <>
+                <label htmlFor={inputId} className="block text-sm font-medium">
+                  {t("model")}
+                </label>
+                <select
+                  id={inputId}
+                  value={modelId}
+                  disabled={busy}
+                  className="w-full rounded-lg border border-border bg-bg-main p-2 text-sm"
+                  onChange={(event) => {
+                    setModelId(event.target.value);
+                    setSaved(false);
+                    setAnswer("");
+                  }}
+                >
+                  <option value="">{t("chooseModel")}</option>
+                  {modelId && !available && (
+                    <option value={modelId} disabled>
+                      {modelId} — {t("unavailable")}
+                    </option>
+                  )}
+                  {models.map((model) => (
+                    <option key={model.id} value={model.id}>
+                      {model.name || model.id}
+                    </option>
+                  ))}
+                </select>
+                {!models.length && <p className="text-sm text-text-muted">{t("noModels")}</p>}
+                <div>
+                  <p className="text-sm font-medium">{t("message")}</p>
+                  <p className="mt-1 whitespace-pre-wrap break-words rounded-lg bg-black/5 p-3 text-sm dark:bg-white/5">
+                    {prompt}
+                  </p>
+                  <a href="/dashboard/settings/ai" className="text-xs text-primary hover:underline">
+                    {t("settingsLink")}
+                  </a>
+                </div>
+                {disabled && <p className="text-sm text-amber-500">{t("activateFirst")}</p>}
+                <div className="flex flex-wrap gap-2">
+                  <Button
+                    variant="secondary"
+                    disabled={busy || !available || modelId === savedModelId}
+                    onClick={() => act(false)}
+                  >
+                    {t("saveModel")}
+                  </Button>
+                  <Button
+                    icon="send"
+                    loading={busy}
+                    disabled={disabled || !available}
+                    onClick={() => act(true)}
+                  >
+                    {t("send")}
+                  </Button>
+                </div>
+                {saved && (
+                  <p role="status" className="text-xs text-green-600">
+                    {t("saved")}
+                  </p>
+                )}
+              </>
+            )}
+            {error && (
+              <p role="alert" className="whitespace-pre-wrap break-words text-sm text-red-500">
+                {error}
+              </p>
+            )}
+            {answer && (
+              <div role="status">
+                <p className="text-sm font-medium">{t("answer")}</p>
+                <pre className="mt-1 max-h-64 overflow-auto whitespace-pre-wrap break-words rounded-lg bg-black/5 p-3 text-sm dark:bg-white/5">
+                  {answer}
+                </pre>
+              </div>
+            )}
+          </div>
+        </Modal>
+      )}
+    </>
+  );
+}
diff --git a/src/shared/constants/connectionTest.ts b/src/shared/constants/connectionTest.ts
new file mode 100644
index 000000000000..9843ccb28a1d
--- /dev/null
+++ b/src/shared/constants/connectionTest.ts
@@ -0,0 +1,3 @@
+/** Defaults shared by the manual connection test and its settings UI. */
+export const DEFAULT_CONNECTION_TEST_PROMPT = "What is 1 + 1? Reply with only the number.";
+export const CONNECTION_TEST_PROMPT_MAX_LENGTH = 500;
diff --git a/src/shared/validation/settingsSchemas.ts b/src/shared/validation/settingsSchemas.ts
index 3c2133f10778..42a62883c20a 100644
--- a/src/shared/validation/settingsSchemas.ts
+++ b/src/shared/validation/settingsSchemas.ts
@@ -6,6 +6,7 @@
  * at runtime (see: https://github.com/vercel/next.js/issues/12557).
  */
 import { z } from "zod";
+import { CONNECTION_TEST_PROMPT_MAX_LENGTH } from "@/shared/constants/connectionTest";
 import { COMBO_CONFIG_MODES } from "@/shared/constants/comboConfigMode";
 import { MAX_REQUEST_BODY_LIMIT_MB, MIN_REQUEST_BODY_LIMIT_MB } from "@/shared/constants/bodySize";
 import { HIDEABLE_SIDEBAR_GROUP_IDS } from "@/shared/constants/sidebarGroupVisibility";
@@ -100,6 +101,7 @@ const transformObfuscateWordsSchema = z.object({
 });
 
 export const updateSettingsSchema = z.object({
+  connectionTestPrompt: z.string().trim().min(1).max(CONNECTION_TEST_PROMPT_MAX_LENGTH).optional(),
   /** #7784: opt-in optimistic concurrency — must match GET settingsRevision / ETag. */
   expectedRevision: z.number().int().nonnegative().optional(),
   newPassword: z.string().min(1).max(200).optional(),
diff --git a/tests/helpers/assertQuotaCardLayout.cjs b/tests/helpers/assertQuotaCardLayout.cjs
new file mode 100644
index 000000000000..a441d372b20e
--- /dev/null
+++ b/tests/helpers/assertQuotaCardLayout.cjs
@@ -0,0 +1,61 @@
+const assert = require("node:assert/strict");
+const { readFileSync } = require("node:fs");
+const { resolve } = require("node:path");
+const { chromium } = require("@playwright/test");
+const postcss = require("postcss");
+const tailwind = require("@tailwindcss/postcss");
+(async () => {
+  const { css } = await postcss([tailwind()]).process(
+    `@import "tailwindcss" source(none); @source "${resolve("src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded.tsx")}";`,
+    { from: resolve("src/layout-test.css") }
+  );
+  const font = readFileSync(
+    resolve("node_modules/material-symbols/material-symbols-outlined.woff2")
+  ).toString("base64");
+  const fontCss = `@font-face{font-family:Symbols;src:url(data:font/woff2;base64,${font})}.material-symbols-outlined{font-family:Symbols;font-weight:normal;font-style:normal;line-height:1;white-space:nowrap;word-wrap:normal;font-feature-settings:'liga'}`;
+  const fixture = readFileSync(process.argv[2], "utf8");
+  const browser = await chromium.launch({
+    headless: true,
+    executablePath: process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH || undefined,
+  });
+  try {
+    const page = await browser.newPage({ viewport: { width: 650, height: 600 } });
+    for (const locale of ["en", "de"])
+      for (const width of [230, 280, 320, 380]) {
+        const messages = JSON.parse(
+          readFileSync(resolve(`src/i18n/messages/${locale}.json`), "utf8")
+        ).usage;
+        const html = fixture.replace(/translated:(\w+)/g, (_match, key) =>
+          String(messages[key] || key)
+        );
+        await page.setContent(
+          `<style>${css}\n${fontCss}</style><div id="card" style="width:${width}px;overflow:hidden">${html}</div>`
+        );
+        await page.evaluate(() => document.fonts.ready);
+        const buttons = page.locator("#card button");
+        assert.equal(await buttons.count(), 4);
+        for (const button of await buttons.all()) {
+          const fits = await button.evaluate((element) => {
+            const b = element.getBoundingClientRect(),
+              card = document.querySelector("#card").getBoundingClientRect();
+            return (
+              b.left >= card.left &&
+              b.right <= card.right &&
+              element.scrollWidth <= element.clientWidth + 1 &&
+              [b.left + 2, b.right - 2].every((x) =>
+                element.contains(document.elementFromPoint(x, b.top + b.height / 2))
+              )
+            );
+          });
+          assert.ok(fits, `${locale}, width ${width}: ${await button.textContent()} clipped`);
+          await button.click({ timeout: 2000 });
+        }
+        if (width === 320) await page.screenshot({ path: `/tmp/quota-actions-${locale}.png` });
+      }
+  } finally {
+    await browser.close();
+  }
+})().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});
diff --git a/tests/unit/connection-test-message.test.ts b/tests/unit/connection-test-message.test.ts
new file mode 100644
index 000000000000..dcf8f3f6b76c
--- /dev/null
+++ b/tests/unit/connection-test-message.test.ts
@@ -0,0 +1,213 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { makeManagementSessionRequest } from "../helpers/managementSession.ts";
+
+const directory = fs.mkdtempSync(path.join(os.tmpdir(), "connection-test-message-"));
+process.env.DATA_DIR = directory;
+process.env.APP_LOG_TO_FILE = "false";
+const { resetDbInstance } = await import("../../src/lib/db/core.ts");
+const db = await import("../../src/lib/db/providers.ts");
+const settingsDb = await import("../../src/lib/db/settings.ts");
+const route = await import("../../src/app/api/providers/[id]/test-message/route.ts");
+const { updateSettingsSchema } = await import("../../src/shared/validation/settingsSchemas.ts");
+const originalFetch = globalThis.fetch;
+const context = (id: string) => ({ params: Promise.resolve({ id }) });
+const request = (id: string, method: string, body?: unknown) =>
+  makeManagementSessionRequest(`http://localhost/api/providers/${id}/test-message`, {
+    method,
+    ...(body === undefined ? {} : { body }),
+  });
+async function connection(apiKey: string, extra: Record<string, unknown> = {}) {
+  return db.createProviderConnection({
+    provider: "openai",
+    authType: "apikey",
+    apiKey,
+    isActive: true,
+    testStatus: "active",
+    providerSpecificData: { connectionTestModel: "gpt-4o-2024-11-20" },
+    ...extra,
+  });
+}
+
+test.afterEach(() => {
+  globalThis.fetch = originalFetch;
+});
+test.after(async () => {
+  const { flushProxyLogsSync } = await import("../../src/lib/proxyLogger.ts");
+  flushProxyLogsSync();
+  resetDbInstance();
+  fs.rmSync(directory, { recursive: true, force: true });
+});
+
+test("all connection-message operations require management authentication", async () => {
+  await settingsDb.updateSettings({ requireLogin: true, password: "test" });
+  for (const method of ["GET", "PUT", "POST"] as const) {
+    const response = await route[method](
+      new Request("http://localhost/api/providers/missing/test-message", { method }),
+      context("missing")
+    );
+    assert.equal(response.status, 401);
+  }
+});
+
+test("model settings are per connection, preserve provider data and do not send", async () => {
+  const first = await connection("sk-connection-test-a", {
+    providerSpecificData: { workspaceId: "workspace-a" },
+  });
+  const second = await connection("sk-connection-test-b");
+  globalThis.fetch = async () => {
+    throw new Error("Saving must not send upstream");
+  };
+  const response = await route.PUT(
+    await request(first.id, "PUT", { modelId: "gpt-4o-mini" }),
+    context(first.id)
+  );
+  assert.equal(response.status, 200);
+  const saved = await db.getProviderConnectionById(first.id);
+  assert.equal(saved?.providerSpecificData.workspaceId, "workspace-a");
+  assert.equal(saved?.providerSpecificData.connectionTestModel, "gpt-4o-mini");
+  const firstConfig = await (
+    await route.GET(await request(first.id, "GET"), context(first.id))
+  ).json();
+  const secondConfig = await (
+    await route.GET(await request(second.id, "GET"), context(second.id))
+  ).json();
+  assert.equal(firstConfig.modelId, "gpt-4o-mini");
+  assert.equal(secondConfig.modelId, "gpt-4o-2024-11-20");
+  assert.equal(JSON.stringify(firstConfig).includes("sk-connection"), false);
+});
+
+test("custom prompt goes to exactly the selected account and repeat sends bypass cache", async () => {
+  await connection("sk-unselected-account");
+  const selected = await connection("sk-selected-account");
+  await settingsDb.updateSettings({
+    connectionTestPrompt: "Reply with only 2.",
+    hidePaidModels: false,
+  });
+  let calls = 0;
+  globalThis.fetch = async (_url, init) => {
+    calls++;
+    const headers = new Headers(init?.headers);
+    assert.equal(headers.get("authorization"), "Bearer sk-selected-account");
+    const body = JSON.parse(String(init?.body));
+    assert.equal(body.model, "gpt-4o-2024-11-20");
+    assert.deepEqual(body.messages, [{ role: "user", content: "Reply with only 2." }]);
+    assert.equal(body.max_tokens, 64);
+    return Response.json({ choices: [{ message: { role: "assistant", content: "2" } }] });
+  };
+  for (let i = 0; i < 2; i++) {
+    const response = await route.POST(await request(selected.id, "POST"), context(selected.id));
+    const body = await response.json();
+    assert.equal(response.status, 200, JSON.stringify(body));
+    assert.equal(body.responseText, "2");
+    assert.equal(body.prompt, "Reply with only 2.");
+  }
+  assert.equal(calls, 2);
+});
+
+test("disabled and unconfigured accounts never dispatch", async () => {
+  const disabled = await connection("sk-disabled", { isActive: false });
+  const unconfigured = await connection("sk-unconfigured", { providerSpecificData: {} });
+  let calls = 0;
+  globalThis.fetch = async () => {
+    calls++;
+    throw new Error("unexpected upstream");
+  };
+  assert.equal(
+    (await route.POST(await request(disabled.id, "POST"), context(disabled.id))).status,
+    409
+  );
+  assert.equal(
+    (await route.POST(await request(unconfigured.id, "POST"), context(unconfigured.id))).status,
+    400
+  );
+  assert.equal(calls, 0);
+});
+
+test("concurrent clicks send only one upstream request for a connection", async () => {
+  const selected = await connection("sk-concurrent-account");
+  let release!: () => void;
+  let started!: () => void;
+  const pending = new Promise<void>((resolve) => {
+    release = resolve;
+  });
+  const dispatched = new Promise<void>((resolve) => {
+    started = resolve;
+  });
+  let calls = 0;
+  globalThis.fetch = async () => {
+    calls++;
+    started();
+    await pending;
+    return Response.json({ choices: [{ message: { role: "assistant", content: "2" } }] });
+  };
+  const first = route.POST(await request(selected.id, "POST"), context(selected.id));
+  await dispatched;
+  try {
+    assert.equal(
+      (await route.POST(await request(selected.id, "POST"), context(selected.id))).status,
+      409
+    );
+  } finally {
+    release();
+  }
+  assert.equal((await first).status, 200);
+  assert.equal(calls, 1);
+});
+
+test("invalid models and oversized or blank messages are rejected", async () => {
+  assert.equal(updateSettingsSchema.safeParse({ connectionTestPrompt: " " }).success, false);
+  assert.equal(
+    updateSettingsSchema.safeParse({ connectionTestPrompt: "x".repeat(501) }).success,
+    false
+  );
+  assert.equal(updateSettingsSchema.safeParse({ connectionTestPrompt: "Hello" }).success, true);
+  const selected = await connection("sk-invalid-model");
+  const response = await route.PUT(
+    await request(selected.id, "PUT", { modelId: "bad\nmodel" }),
+    context(selected.id)
+  );
+  assert.equal(response.status, 400);
+  const body = await response.json();
+  assert.equal(body.error.message.includes("at /"), false);
+});
+
+test("paid-model policy also applies to manual messages", async () => {
+  const selected = await connection("sk-policy-model");
+  await settingsDb.updateSettings({ hidePaidModels: true });
+  let calls = 0;
+  globalThis.fetch = async () => {
+    calls++;
+    throw new Error("unexpected upstream");
+  };
+  try {
+    assert.equal(
+      (await route.POST(await request(selected.id, "POST"), context(selected.id))).status,
+      403
+    );
+  } finally {
+    await settingsDb.updateSettings({ hidePaidModels: false });
+  }
+  assert.equal(calls, 0);
+});
+
+test("failed selected account never falls back to another account", async () => {
+  await connection("sk-other-on-failure");
+  const selected = await connection("sk-selected-failing");
+  let calls = 0;
+  globalThis.fetch = async (_url, init) => {
+    calls++;
+    assert.equal(new Headers(init?.headers).get("authorization"), "Bearer sk-selected-failing");
+    return Response.json(
+      { error: { message: "Model unavailable", type: "invalid_request_error" } },
+      { status: 404 }
+    );
+  };
+  const response = await route.POST(await request(selected.id, "POST"), context(selected.id));
+  assert.notEqual(response.status, 200);
+  assert.equal(calls, 1);
+  assert.equal((await db.getProviderConnectionById(selected.id))?.isActive, true);
+});
diff --git a/tests/unit/ui/connection-test-message.test.tsx b/tests/unit/ui/connection-test-message.test.tsx
new file mode 100644
index 000000000000..24217f395dfa
--- /dev/null
+++ b/tests/unit/ui/connection-test-message.test.tsx
@@ -0,0 +1,200 @@
+// @vitest-environment jsdom
+import React, { act } from "react";
+import { createRoot, type Root } from "react-dom/client";
+import { afterEach, beforeEach, expect, it, vi } from "vitest";
+
+const translate = vi.hoisted(() => (key: string) => `translated:${key}`);
+vi.mock("next-intl", () => ({ useTranslations: () => translate }));
+const { default: ConnectionTestButton } =
+  await import("../../../src/shared/components/ConnectionTestButton");
+const { default: ConnectionTestSettings } =
+  await import("../../../src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings");
+const { default: QuotaCardExpanded } =
+  await import("../../../src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded");
+let root: Root;
+let container: HTMLDivElement;
+let calls: Array<{ url: string; method: string; body?: string }>;
+
+beforeEach(() => {
+  (
+    globalThis as typeof globalThis & { IS_REACT_ACT_ENVIRONMENT?: boolean }
+  ).IS_REACT_ACT_ENVIRONMENT = true;
+  container = document.createElement("div");
+  document.body.appendChild(container);
+  root = createRoot(container);
+  calls = [];
+  vi.stubGlobal(
+    "fetch",
+    vi.fn(async (url: string, init?: RequestInit) => {
+      calls.push({ url, method: init?.method || "GET", body: init?.body as string | undefined });
+      if (url.includes("/models?"))
+        return Response.json({
+          models: [
+            { id: "small", name: "Small" },
+            { id: "large", name: "Large" },
+          ],
+        });
+      if (init?.method === "POST")
+        return Response.json({ prompt: "Hello", responseText: "<b>Hello back</b>" });
+      if (url === "/api/settings") return Response.json({ connectionTestPrompt: "Hello" });
+      return Response.json({ modelId: "small", prompt: "Hello" });
+    })
+  );
+});
+afterEach(() => {
+  act(() => root.unmount());
+  container.remove();
+  vi.unstubAllGlobals();
+});
+function button(label: string) {
+  const found = [...container.querySelectorAll<HTMLButtonElement>("button")].find((b) => {
+    const clone = b.cloneNode(true) as HTMLElement;
+    clone.querySelectorAll(".material-symbols-outlined").forEach((icon) => icon.remove());
+    return (
+      clone.textContent?.trim() === `translated:${label}` ||
+      b.getAttribute("aria-label") === `translated:${label}`
+    );
+  });
+  if (!found) throw new Error(`Missing button ${label}`);
+  return found;
+}
+async function open(disabled = false, onSent = vi.fn()) {
+  await act(async () =>
+    root.render(
+      <ConnectionTestButton connectionId="account-a" disabled={disabled} onSent={onSent} />
+    )
+  );
+  expect(calls).toHaveLength(0);
+  await act(async () => button("title").click());
+  return onSent;
+}
+it("opening and saving a model never sends; send targets the same account and displays escaped answer", async () => {
+  const onSent = await open();
+  expect(calls.map((c) => c.method)).toEqual(["GET", "GET"]);
+  const select = container.querySelector("select")!;
+  act(() => {
+    select.value = "large";
+    select.dispatchEvent(new Event("change", { bubbles: true }));
+  });
+  await act(async () => button("saveModel").click());
+  expect(calls.at(-1)).toEqual({
+    url: "/api/providers/account-a/test-message",
+    method: "PUT",
+    body: JSON.stringify({ modelId: "large" }),
+  });
+  expect(calls.some((c) => c.method === "POST")).toBe(false);
+  await act(async () => button("send").click());
+  expect(calls.filter((c) => c.method === "POST")).toEqual([
+    { url: "/api/providers/account-a/test-message", method: "POST", body: undefined },
+  ]);
+  expect(container.querySelector("pre")?.textContent).toBe("<b>Hello back</b>");
+  expect(container.querySelector("pre b")).toBeNull();
+  expect(onSent).toHaveBeenCalledOnce();
+});
+it("inactive accounts can configure a model but cannot send", async () => {
+  await open(true);
+  expect(button("send").disabled).toBe(true);
+  expect(container.textContent).toContain("activateFirst");
+  expect(calls.every((c) => c.method === "GET")).toBe(true);
+});
+it("unavailable saved models cannot be sent", async () => {
+  vi.stubGlobal(
+    "fetch",
+    vi.fn(async (url: string) =>
+      Response.json(
+        url.includes("/models?") ? { models: [] } : { modelId: "retired", prompt: "Hello" }
+      )
+    )
+  );
+  await open();
+  expect(container.querySelector("select")?.value).toBe("retired");
+  expect(button("send").disabled).toBe(true);
+});
+it("settings save only the global message without issuing an inference", async () => {
+  await act(async () => root.render(<ConnectionTestSettings />));
+  const input = container.querySelector("textarea")!;
+  act(() => {
+    Object.getOwnPropertyDescriptor(HTMLTextAreaElement.prototype, "value")!.set!.call(
+      input,
+      "  What is 2 + 2?  "
+    );
+    input.dispatchEvent(new Event("input", { bubbles: true }));
+  });
+  await act(async () => button("saveMessage").click());
+  expect(calls.at(-1)).toEqual({
+    url: "/api/settings",
+    method: "PATCH",
+    body: JSON.stringify({ connectionTestPrompt: "What is 2 + 2?" }),
+  });
+  expect(calls.some((c) => c.method === "POST")).toBe(false);
+});
+it("quota footer exposes all four actions with working handlers", async () => {
+  const onRefresh = vi.fn(),
+    onOpenCutoff = vi.fn(),
+    onOpenCost = vi.fn(),
+    onOpenResetCredits = vi.fn();
+  await act(async () =>
+    root.render(
+      <QuotaCardExpanded
+        quotas={[]}
+        providerId="codex"
+        loading={false}
+        error={null}
+        message={null}
+        refreshedAt="2026-09-29T19:00:00Z"
+        hasStaleData={false}
+        canEditCutoff
+        hasCutoffOverrides={false}
+        canRedeemResetCredit
+        {...{ onRefresh, onOpenCutoff, onOpenCost, onOpenResetCredits }}
+      />
+    )
+  );
+  for (const label of ["forceRefresh", "manageResetCredits", "editCutoffs", "usdCost"])
+    act(() => button(label).click());
+  for (const handler of [onRefresh, onOpenCutoff, onOpenCost, onOpenResetCredits])
+    expect(handler).toHaveBeenCalledOnce();
+});
+
+// Optional real layout check; the helper launches only a headless browser.
+it.runIf(process.env.RUN_QUOTA_LAYOUT === "1")(
+  "quota buttons stay visible and clickable at narrow widths",
+  async () => {
+    const { writeFileSync, mkdtempSync, rmSync } = await import("node:fs");
+    const { tmpdir } = await import("node:os");
+    const { join } = await import("node:path");
+    const { execFileSync } = await import("node:child_process");
+    await act(async () =>
+      root.render(
+        <QuotaCardExpanded
+          quotas={[]}
+          providerId="codex"
+          loading={false}
+          error={null}
+          message={null}
+          refreshedAt="2026-09-29T19:00:00Z"
+          hasStaleData={false}
+          canEditCutoff
+          hasCutoffOverrides={false}
+          canRedeemResetCredit
+          onRefresh={() => {}}
+          onOpenCutoff={() => {}}
+          onOpenCost={() => {}}
+          onOpenResetCredits={() => {}}
+        />
+      )
+    );
+    const dir = mkdtempSync(join(tmpdir(), "quota-layout-"));
+    try {
+      writeFileSync(join(dir, "fixture.html"), container.innerHTML);
+      execFileSync(
+        process.execPath,
+        ["tests/helpers/assertQuotaCardLayout.cjs", join(dir, "fixture.html")],
+        { timeout: 60000, stdio: "pipe" }
+      );
+    } finally {
+      rmSync(dir, { recursive: true, force: true });
+    }
+  },
+  65_000
+);

From 19fe725ca0c566ec3eb5b4bbe55bbd3226314c86 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:26:45 +0200
Subject: [PATCH 02/10] docs: describe manual connection test endpoints

---
 docs/openapi.yaml | 64 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/docs/openapi.yaml b/docs/openapi.yaml
index 10c7deeaf7fa..35353ebc4c16 100644
--- a/docs/openapi.yaml
+++ b/docs/openapi.yaml
@@ -2225,6 +2225,70 @@ paths:
         "200":
           description: Test result
 
+  /api/providers/{id}/test-message:
+    get:
+      tags: [Providers]
+      summary: Read an account's saved test model and the global test message
+      description: Requires management authentication. Returns modelId and prompt without credentials.
+      parameters:
+        - $ref: "#/components/parameters/ResourceId"
+      responses:
+        "200":
+          description: Saved modelId and effective prompt
+        "404":
+          description: Connection not found
+    put:
+      tags: [Providers]
+      summary: Save the chat model used by this account's test-message button
+      description: Requires management authentication. Saving never sends an inference request.
+      parameters:
+        - $ref: "#/components/parameters/ResourceId"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              required: [modelId]
+              additionalProperties: false
+              properties:
+                modelId:
+                  type: string
+                  minLength: 1
+                  maxLength: 256
+      responses:
+        "200":
+          description: Saved modelId
+        "400":
+          description: Invalid model selection
+        "404":
+          description: Connection not found
+    post:
+      tags: [Providers]
+      summary: Send one real test message through the selected account
+      description: >-
+        Requires management authentication. Uses the account's saved model and the global
+        connectionTestPrompt setting (default: What is 1 + 1? Reply with only the number.).
+        The prompt is configurable through PATCH /api/settings and limited to 500 characters.
+        This manual request bypasses the response cache, uses only this connection and
+        never falls back to another account. It consumes quota; usage-window behavior
+        is determined by the provider. Saving settings does not schedule requests.
+      parameters:
+        - $ref: "#/components/parameters/ResourceId"
+      responses:
+        "200":
+          description: modelId, prompt, responseText and latencyMs
+        "400":
+          description: Missing model selection or invalid chat model
+        "403":
+          description: Paid model blocked by settings
+        "404":
+          description: Connection not found
+        "409":
+          description: Account inactive or a test message is already running
+        "504":
+          description: No completed response within the test deadline
+
   /api/providers/{id}/models:
     get:
       tags: [Providers]

From 3103b5f48630a5da83437b69f57cead8fb72c6ed Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:34:25 +0200
Subject: [PATCH 03/10] fix: type persisted test-message configuration for the
 API gate

---
 src/app/api/providers/[id]/test-message/route.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/app/api/providers/[id]/test-message/route.ts b/src/app/api/providers/[id]/test-message/route.ts
index 3f8eb483c7fe..4d4904b1579f 100644
--- a/src/app/api/providers/[id]/test-message/route.ts
+++ b/src/app/api/providers/[id]/test-message/route.ts
@@ -58,7 +58,7 @@ export async function PUT(request: Request, context: Context) {
     if (!connection) return errorResponse("Connection not found", 404);
     await updateProviderConnection(id, {
       providerSpecificData: {
-        ...(connection.providerSpecificData || {}),
+        ...((connection.providerSpecificData as Record<string, unknown> | undefined) || {}),
         connectionTestModel: parsed.data.modelId,
       },
     });
@@ -95,7 +95,8 @@ export async function POST(request: Request, context: Context) {
     ) {
       return errorResponse("Paid model blocked while hidePaidModels is enabled", 403);
     }
-    const prompt = settings.connectionTestPrompt || DEFAULT_CONNECTION_TEST_PROMPT;
+    const prompt =
+      (settings.connectionTestPrompt as string | undefined) || DEFAULT_CONNECTION_TEST_PROMPT;
     const result = await runSingleModelTest({
       providerId: provider,
       modelId: `${provider}/${upstreamModel}`,

From 5746c191c7dcbc0a9295b2bbf3893a949b1a47c6 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:48:58 +0200
Subject: [PATCH 04/10] feat: configure the default test model in connection
 settings

---
 .../components/modals/EditConnectionModal.tsx |  17 +++
 src/i18n/messages/de.json                     |   4 +-
 src/i18n/messages/en.json                     |   4 +-
 .../components/ConnectionTestModelField.tsx   |  84 ++++++++++++++
 .../unit/ui/connection-test-message.test.tsx  | 108 ++++++++++++++++++
 5 files changed, 215 insertions(+), 2 deletions(-)
 create mode 100644 src/shared/components/ConnectionTestModelField.tsx

diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
index 07e0b23fe80e..16d7fdaae1a8 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
@@ -2,6 +2,7 @@
 
 import { useState } from "react";
 import { useTranslations } from "next-intl";
+import ConnectionTestModelField from "@/shared/components/ConnectionTestModelField";
 import { Button, Badge, Input, Modal, Toggle, Select } from "@/shared/components";
 import { CHATGPT_WEB_CODEX_CONNECTOR_NAME } from "@/shared/constants/chatgptWebCodex";
 import {
@@ -168,6 +169,7 @@ export default function EditConnectionModal({
     m365Tier: normalizeM365TierValue(connectionProviderSpecificData?.tier) as M365TierValue,
     peakHourProtection: { ...EMPTY_PEAK_HOUR_PROTECTION, windows: [] } as PeakHourProtectionConfig,
   });
+  const [testModelDraft, setTestModelDraft] = useState<string | undefined>();
   const [testing, setTesting] = useState(false);
   const [testResult, setTestResult] = useState(null);
   const [validating, setValidating] = useState(false);
@@ -279,6 +281,7 @@ export default function EditConnectionModal({
   if (isOpen && connection) {
     if (initializedFor?.connection !== connection || initializedFor.providerId !== providerId) {
       setInitializedFor({ connection, providerId });
+      setTestModelDraft(undefined);
       const effectiveProvider = connection.provider || providerId;
       const existingBaseUrl = stringField(connection.providerSpecificData?.baseUrl);
       const existingTargetFormat = stringField(connection.providerSpecificData?.targetFormat);
@@ -756,6 +759,12 @@ export default function EditConnectionModal({
         // previously-saved `true` and unchecking would never take effect.
         updates.providerSpecificData.importFreeModelsOnly = formData.importFreeModelsOnly === true;
       }
+      // Omit unchanged values: the test dialog may have saved a newer model
+      // since this connection snapshot was loaded. The API merges current data.
+      delete updates.providerSpecificData.connectionTestModel;
+      if (testModelDraft !== undefined) {
+        updates.providerSpecificData.connectionTestModel = testModelDraft || null;
+      }
       const error = (await onSave(updates)) as void | unknown;
       if (error) {
         setSaveError(typeof error === "string" ? error : t("failedSaveConnection"));
@@ -804,6 +813,14 @@ export default function EditConnectionModal({
           onChange={(e) => setFormData({ ...formData, name: e.target.value })}
           placeholder={isOAuth ? t("accountName") : t("productionKey")}
         />
+        {isOpen && connection.id && (
+          <ConnectionTestModelField
+            key={connection.id}
+            connectionId={connection.id}
+            disabled={saving}
+            onChange={setTestModelDraft}
+          />
+        )}
         <Input
           label={t("tagGroupLabel")}
           value={formData.tag}
diff --git a/src/i18n/messages/de.json b/src/i18n/messages/de.json
index 3d96a06dca3b..f3638b5bfd7f 100644
--- a/src/i18n/messages/de.json
+++ b/src/i18n/messages/de.json
@@ -14459,6 +14459,8 @@
     "failed": "Die Anfrage ist fehlgeschlagen. Bitte versuche es erneut.",
     "settingsTitle": "Manuelle Account-Testnachrichten",
     "settingsDescription": "Diese Nachricht verwenden die Testknöpfe unter Connections und Provider Quota. Das Modell wählst du für jeden Account einzeln. Speichern sendet keine Nachricht und aktiviert keine automatischen Pings.",
-    "saveMessage": "Nachricht speichern"
+    "saveMessage": "Nachricht speichern",
+    "defaultModel": "Standardmodell für Testnachrichten",
+    "defaultModelHint": "Wird bei den Testnachrichten dieses Accounts automatisch vorausgewählt. Speichern übernimmt die Auswahl und sendet keine Nachricht."
   }
 }
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 0e772106c05e..104537504407 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -14459,6 +14459,8 @@
     "failed": "The request failed. Please try again.",
     "settingsTitle": "Manual account test messages",
     "settingsDescription": "This message is used by the test buttons under Connections and Provider Quota. Choose the model separately for each account. Saving does not send a message or enable automatic pings.",
-    "saveMessage": "Save message"
+    "saveMessage": "Save message",
+    "defaultModel": "Default test model",
+    "defaultModelHint": "Used automatically by the Test message buttons for this account. Saved with the connection; no message is sent."
   }
 }
diff --git a/src/shared/components/ConnectionTestModelField.tsx b/src/shared/components/ConnectionTestModelField.tsx
new file mode 100644
index 000000000000..485745ad9f4f
--- /dev/null
+++ b/src/shared/components/ConnectionTestModelField.tsx
@@ -0,0 +1,84 @@
+"use client";
+
+import { useEffect, useId, useState } from "react";
+import { useTranslations } from "next-intl";
+
+type Model = { id: string; name?: string };
+
+/** Draft-only field: the enclosing connection form owns persistence. */
+export default function ConnectionTestModelField({
+  connectionId,
+  disabled,
+  onChange,
+}: {
+  connectionId: string;
+  disabled?: boolean;
+  onChange: (modelId: string) => void;
+}) {
+  const t = useTranslations("connectionTest");
+  const id = useId();
+  const [modelId, setModelId] = useState("");
+  const [models, setModels] = useState<Model[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [failed, setFailed] = useState(false);
+  useEffect(() => {
+    const controller = new AbortController();
+    setLoading(true);
+    setFailed(false);
+    const base = `/api/providers/${encodeURIComponent(connectionId)}`;
+    const read = async (path: string) => {
+      const response = await fetch(base + path, { signal: controller.signal });
+      if (!response.ok) throw new Error("Model configuration unavailable");
+      return response.json();
+    };
+    Promise.all([read("/test-message"), read("/models?chatOnly=true&refresh=false")])
+      .then(([config, catalog]) => {
+        if (controller.signal.aborted) return;
+        setModelId(config.modelId || "");
+        setModels((catalog.models || []).filter((model: Model) => typeof model.id === "string"));
+      })
+      .catch(() => {
+        if (!controller.signal.aborted) setFailed(true);
+      })
+      .finally(() => {
+        if (!controller.signal.aborted) setLoading(false);
+      });
+    return () => controller.abort();
+  }, [connectionId]);
+  const available = models.some((model) => model.id === modelId);
+  return (
+    <div>
+      <label htmlFor={id} className="mb-1.5 block text-sm font-medium text-text-main">
+        {t("defaultModel")}
+      </label>
+      <select
+        id={id}
+        value={modelId}
+        disabled={disabled || loading || failed}
+        className="w-full rounded-lg border border-border bg-bg-main p-2.5 text-sm disabled:opacity-50"
+        onChange={(event) => {
+          setModelId(event.target.value);
+          onChange(event.target.value);
+        }}
+      >
+        <option value="">{loading ? t("loading") : t("chooseModel")}</option>
+        {modelId && !available && (
+          <option value={modelId} disabled>
+            {modelId} — {t("unavailable")}
+          </option>
+        )}
+        {models.map((model) => (
+          <option key={model.id} value={model.id}>
+            {model.name || model.id}
+          </option>
+        ))}
+      </select>
+      <p className="mt-1 text-xs text-text-muted">{t("defaultModelHint")}</p>
+      {failed && (
+        <p role="alert" className="mt-1 text-xs text-red-500">
+          {t("failed")}
+        </p>
+      )}
+    </div>
+  );
+}
diff --git a/tests/unit/ui/connection-test-message.test.tsx b/tests/unit/ui/connection-test-message.test.tsx
index 24217f395dfa..0dca1eca8551 100644
--- a/tests/unit/ui/connection-test-message.test.tsx
+++ b/tests/unit/ui/connection-test-message.test.tsx
@@ -11,6 +11,8 @@ const { default: ConnectionTestSettings } =
   await import("../../../src/app/(dashboard)/dashboard/settings/components/ConnectionTestSettings");
 const { default: QuotaCardExpanded } =
   await import("../../../src/app/(dashboard)/dashboard/usage/components/ProviderLimits/parts/QuotaCardExpanded");
+const { default: EditConnectionModal } =
+  await import("../../../src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal");
 let root: Root;
 let container: HTMLDivElement;
 let calls: Array<{ url: string; method: string; body?: string }>;
@@ -198,3 +200,109 @@ it.runIf(process.env.RUN_QUOTA_LAYOUT === "1")(
   },
   65_000
 );
+
+it.each(["oauth", "apikey"])(
+  "connection settings persist the chosen test model for %s accounts only on Save",
+  async (authType) => {
+    const onSave = vi.fn().mockResolvedValue(undefined);
+    const onClose = vi.fn();
+    const connection = {
+      id: "account-a",
+      provider: "openai",
+      authType,
+      name: "Account A",
+      providerSpecificData: { connectionTestModel: "old", tag: "keep" },
+    };
+    await act(async () =>
+      root.render(
+        <EditConnectionModal
+          isOpen
+          connection={connection}
+          providerId="openai"
+          onSave={onSave}
+          onClose={onClose}
+        />
+      )
+    );
+    const label = [...container.querySelectorAll("label")].find(
+      (l) => l.textContent === "translated:defaultModel"
+    )!;
+    const select = document.getElementById(label.htmlFor) as HTMLSelectElement;
+    expect(select.value).toBe("small"); // fresh API value, not the stale connection snapshot
+    act(() => {
+      select.value = "large";
+      select.dispatchEvent(new Event("change", { bubbles: true }));
+    });
+    expect(onSave).not.toHaveBeenCalled();
+    expect(calls.every((c) => c.method === "GET")).toBe(true);
+    await act(async () => button("save").click());
+    expect(onSave).toHaveBeenCalledOnce();
+    expect(onSave.mock.calls[0][0].providerSpecificData.connectionTestModel).toBe("large");
+    expect(onSave.mock.calls[0][0].providerSpecificData.tag).toBe("keep");
+  }
+);
+it("saving unrelated connection settings preserves newer server-side test model and Cancel discards selection", async () => {
+  const onSave = vi.fn().mockResolvedValue(undefined),
+    onClose = vi.fn();
+  const connection = {
+    id: "account-a",
+    provider: "openai",
+    authType: "oauth",
+    providerSpecificData: { connectionTestModel: "stale" },
+  };
+  const render = (isOpen: boolean) =>
+    root.render(
+      <EditConnectionModal
+        isOpen={isOpen}
+        connection={connection}
+        providerId="openai"
+        onSave={onSave}
+        onClose={onClose}
+      />
+    );
+  await act(async () => render(true));
+  await act(async () => button("save").click());
+  expect(onSave.mock.calls[0][0].providerSpecificData).not.toHaveProperty("connectionTestModel");
+  const label = [...container.querySelectorAll("label")].find(
+    (l) => l.textContent === "translated:defaultModel"
+  )!;
+  const select = document.getElementById(label.htmlFor) as HTMLSelectElement;
+  act(() => {
+    select.value = "large";
+    select.dispatchEvent(new Event("change", { bubbles: true }));
+  });
+  act(() => button("cancel").click());
+  expect(onSave).toHaveBeenCalledOnce();
+  await act(async () => render(false));
+  await act(async () => render(true));
+  const freshLabel = [...container.querySelectorAll("label")].find(
+    (l) => l.textContent === "translated:defaultModel"
+  )!;
+  expect((document.getElementById(freshLabel.htmlFor) as HTMLSelectElement).value).toBe("small");
+  await act(async () => button("save").click());
+  expect(onSave.mock.calls[1][0].providerSpecificData).not.toHaveProperty("connectionTestModel");
+});
+it("connection settings can clear the default with an explicit null", async () => {
+  const onSave = vi.fn().mockResolvedValue(undefined);
+  await act(async () =>
+    root.render(
+      <EditConnectionModal
+        isOpen
+        connection={{ id: "account-a", provider: "openai", authType: "oauth" }}
+        providerId="openai"
+        onSave={onSave}
+        onClose={() => {}}
+      />
+    )
+  );
+  const label = [...container.querySelectorAll("label")].find(
+    (l) => l.textContent === "translated:defaultModel"
+  )!;
+  const select = document.getElementById(label.htmlFor) as HTMLSelectElement;
+  act(() => {
+    select.value = "";
+    select.dispatchEvent(new Event("change", { bubbles: true }));
+  });
+  await act(async () => button("save").click());
+  expect(onSave.mock.calls[0][0].providerSpecificData.connectionTestModel).toBeNull();
+});

From 4f0e9d832d80dab1f3ac9900bf47c1fdce3ce825 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:49:17 +0200
Subject: [PATCH 05/10] fix: initialize model field loading state on mount

---
 src/shared/components/ConnectionTestModelField.tsx | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/shared/components/ConnectionTestModelField.tsx b/src/shared/components/ConnectionTestModelField.tsx
index 485745ad9f4f..c81d88946cfb 100644
--- a/src/shared/components/ConnectionTestModelField.tsx
+++ b/src/shared/components/ConnectionTestModelField.tsx
@@ -23,8 +23,6 @@ export default function ConnectionTestModelField({
   const [failed, setFailed] = useState(false);
   useEffect(() => {
     const controller = new AbortController();
-    setLoading(true);
-    setFailed(false);
     const base = `/api/providers/${encodeURIComponent(connectionId)}`;
     const read = async (path: string) => {
       const response = await fetch(base + path, { signal: controller.signal });

From 24200c3ad66eb5fd35962bee0cd434550372ba7e Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Tue, 29 Sep 2026 21:52:46 +0200
Subject: [PATCH 06/10] test: cover shared test model persistence through
 connection settings

---
 tests/unit/connection-test-message.test.ts | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/tests/unit/connection-test-message.test.ts b/tests/unit/connection-test-message.test.ts
index dcf8f3f6b76c..1545410fc067 100644
--- a/tests/unit/connection-test-message.test.ts
+++ b/tests/unit/connection-test-message.test.ts
@@ -211,3 +211,31 @@ test("failed selected account never falls back to another account", async () =>
   assert.equal(calls, 1);
   assert.equal((await db.getProviderConnectionById(selected.id))?.isActive, true);
 });
+
+test("Edit Connection persists, preserves and clears the shared test model", async () => {
+  const editRoute = await import("../../src/app/api/providers/[id]/route.ts");
+  const selected = await connection("sk-edit-connection-test", {
+    providerSpecificData: { connectionTestModel: "original", workspaceId: "keep" },
+  });
+  globalThis.fetch = async () => {
+    throw new Error("Saving connection settings must not generate");
+  };
+  const save = async (providerSpecificData: Record<string, unknown>) => {
+    const response = await editRoute.PUT(
+      await makeManagementSessionRequest(`http://localhost/api/providers/${selected.id}`, {
+        method: "PUT",
+        body: { providerSpecificData },
+      }),
+      context(selected.id)
+    );
+    assert.equal(response.status, 200);
+    return (await route.GET(await request(selected.id, "GET"), context(selected.id))).json();
+  };
+  assert.equal((await save({ connectionTestModel: "gpt-4o-mini" })).modelId, "gpt-4o-mini");
+  assert.equal((await save({ tag: "changed" })).modelId, "gpt-4o-mini");
+  assert.equal(
+    (await db.getProviderConnectionById(selected.id))?.providerSpecificData.workspaceId,
+    "keep"
+  );
+  assert.equal((await save({ connectionTestModel: null })).modelId, "");
+});

From 57898a6a62167cf7d767b917fbb8d5233d8d93e6 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Fri, 2 Oct 2026 01:49:10 -0300
Subject: [PATCH 07/10] docs(changelog): add the connection test message
 fragment

Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
---
 changelog.d/features/15138-connection-test-message.md | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/features/15138-connection-test-message.md

diff --git a/changelog.d/features/15138-connection-test-message.md b/changelog.d/features/15138-connection-test-message.md
new file mode 100644
index 000000000000..fb64d37d3f9d
--- /dev/null
+++ b/changelog.d/features/15138-connection-test-message.md
@@ -0,0 +1 @@
+- **feat(dashboard):** per-account "Test message" action on each provider connection — a saved test model per connection (Edit connection) and a global test prompt in Settings → AI, backed by `GET/PUT/POST /api/providers/{id}/test-message`; the quota card footer actions also wrap responsively (#15138 — thanks @JxnLexn)

From 22a8f6ae7bcd16313f7429594c806081ad97e7c1 Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Wed, 7 Oct 2026 08:54:31 -0300
Subject: [PATCH 08/10] refactor(dashboard): extract connection test model
 draft hook to keep EditConnectionModal under its frozen size

Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
---
 .../components/modals/EditConnectionModal.tsx | 18 +++--------
 .../components/useConnectionTestModelDraft.ts | 32 +++++++++++++++++++
 2 files changed, 36 insertions(+), 14 deletions(-)
 create mode 100644 src/shared/components/useConnectionTestModelDraft.ts

diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
index 16d7fdaae1a8..10f243b330ce 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
@@ -3,6 +3,7 @@
 import { useState } from "react";
 import { useTranslations } from "next-intl";
 import ConnectionTestModelField from "@/shared/components/ConnectionTestModelField";
+import { useConnectionTestModelDraft } from "@/shared/components/useConnectionTestModelDraft";
 import { Button, Badge, Input, Modal, Toggle, Select } from "@/shared/components";
 import { CHATGPT_WEB_CODEX_CONNECTOR_NAME } from "@/shared/constants/chatgptWebCodex";
 import {
@@ -169,7 +170,6 @@ export default function EditConnectionModal({
     m365Tier: normalizeM365TierValue(connectionProviderSpecificData?.tier) as M365TierValue,
     peakHourProtection: { ...EMPTY_PEAK_HOUR_PROTECTION, windows: [] } as PeakHourProtectionConfig,
   });
-  const [testModelDraft, setTestModelDraft] = useState<string | undefined>();
   const [testing, setTesting] = useState(false);
   const [testResult, setTestResult] = useState(null);
   const [validating, setValidating] = useState(false);
@@ -180,6 +180,7 @@ export default function EditConnectionModal({
   const [doctorStatus, setDoctorStatus] = useState<Record<string, any> | null>(null);
   const [doctorLoading, setDoctorLoading] = useState(false);
   const [saving, setSaving] = useState(false);
+  const testModel = useConnectionTestModelDraft(isOpen ? connection : null, saving);
   const [saveError, setSaveError] = useState<string | null>(null);
   const [extraApiKeys, setExtraApiKeys] = useState<string[]>([]);
   const [newExtraKey, setNewExtraKey] = useState("");
@@ -281,7 +282,6 @@ export default function EditConnectionModal({
   if (isOpen && connection) {
     if (initializedFor?.connection !== connection || initializedFor.providerId !== providerId) {
       setInitializedFor({ connection, providerId });
-      setTestModelDraft(undefined);
       const effectiveProvider = connection.provider || providerId;
       const existingBaseUrl = stringField(connection.providerSpecificData?.baseUrl);
       const existingTargetFormat = stringField(connection.providerSpecificData?.targetFormat);
@@ -759,12 +759,7 @@ export default function EditConnectionModal({
         // previously-saved `true` and unchecking would never take effect.
         updates.providerSpecificData.importFreeModelsOnly = formData.importFreeModelsOnly === true;
       }
-      // Omit unchanged values: the test dialog may have saved a newer model
-      // since this connection snapshot was loaded. The API merges current data.
-      delete updates.providerSpecificData.connectionTestModel;
-      if (testModelDraft !== undefined) {
-        updates.providerSpecificData.connectionTestModel = testModelDraft || null;
-      }
+      testModel.applyTo(updates.providerSpecificData);
       const error = (await onSave(updates)) as void | unknown;
       if (error) {
         setSaveError(typeof error === "string" ? error : t("failedSaveConnection"));
@@ -814,12 +809,7 @@ export default function EditConnectionModal({
           placeholder={isOAuth ? t("accountName") : t("productionKey")}
         />
         {isOpen && connection.id && (
-          <ConnectionTestModelField
-            key={connection.id}
-            connectionId={connection.id}
-            disabled={saving}
-            onChange={setTestModelDraft}
-          />
+          <ConnectionTestModelField key={connection.id} {...testModel.fieldProps} />
         )}
         <Input
           label={t("tagGroupLabel")}
diff --git a/src/shared/components/useConnectionTestModelDraft.ts b/src/shared/components/useConnectionTestModelDraft.ts
new file mode 100644
index 000000000000..f1c797f8e745
--- /dev/null
+++ b/src/shared/components/useConnectionTestModelDraft.ts
@@ -0,0 +1,32 @@
+"use client";
+
+import { useState } from "react";
+
+type Draft = { owner: object | null; value: string };
+
+/**
+ * Tracks the test model chosen in the Edit Connection form. The draft is bound
+ * to the connection snapshot it was edited on, so opening another snapshot
+ * (or reopening the modal, i.e. a null snapshot) starts with no pending change.
+ */
+export function useConnectionTestModelDraft(
+  snapshot: { id?: string } | null | undefined,
+  disabled = false
+) {
+  const [draft, setDraft] = useState<Draft | null>(null);
+  if (!snapshot && draft) setDraft(null); // closed: discard any unsaved choice
+  const pending = snapshot && draft?.owner === snapshot ? draft.value : undefined;
+  return {
+    fieldProps: {
+      connectionId: snapshot?.id ?? "",
+      disabled,
+      onChange: (value: string) => setDraft({ owner: snapshot ?? null, value }),
+    },
+    /** Omit unchanged values: the test dialog may have saved a newer model since
+     * this snapshot loaded, and the API merges the current data. */
+    applyTo(providerSpecificData: Record<string, unknown>) {
+      delete providerSpecificData.connectionTestModel;
+      if (pending !== undefined) providerSpecificData.connectionTestModel = pending || null;
+    },
+  };
+}

From 820d46486da2d69262e2904ada934e6d57f0d22f Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Wed, 7 Oct 2026 22:42:38 -0300
Subject: [PATCH 09/10] refactor(dashboard): keep EditConnectionModal within
 its frozen size

Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
---
 .../components/modals/EditConnectionModal.tsx | 27 +++----------------
 .../modals/connectionApiKeyHealth.ts          |  9 +++++++
 2 files changed, 12 insertions(+), 24 deletions(-)
 create mode 100644 src/app/(dashboard)/dashboard/providers/[id]/components/modals/connectionApiKeyHealth.ts

diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
index a4bb1c17e9ca..5a4252677138 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx
@@ -55,6 +55,7 @@ import { useOpenRouterPresetControl } from "../OpenRouterPresetInput";
 import WebSessionCredentialGuide from "../WebSessionCredentialGuide";
 import HarImportButton from "../HarImportButton";
 import CcCompatibleRequestDefaultsFields from "./CcCompatibleRequestDefaultsFields";
+import type { ApiKeyHealthMap } from "./connectionApiKeyHealth";
 import ClaudeConnectionFields from "./ClaudeConnectionFields";
 import {
   claudeConnectionFieldPatch,
@@ -187,18 +188,7 @@ export default function EditConnectionModal({
   const [saveError, setSaveError] = useState<string | null>(null);
   const [extraApiKeys, setExtraApiKeys] = useState<string[]>([]);
   const [newExtraKey, setNewExtraKey] = useState("");
-  const [apiKeyHealth, setApiKeyHealth] = useState<
-    Record<
-      string,
-      {
-        status: "active" | "warning" | "invalid";
-        failures: number;
-        lastFailure: string | null;
-        totalRequests?: number;
-        totalFailures?: number;
-      }
-    >
-  >({});
+  const [apiKeyHealth, setApiKeyHealth] = useState<ApiKeyHealthMap>({});
   const [showAdvanced, setShowAdvanced] = useState(false);
   const showEmail = useEmailPrivacyStore((state) => state.emailsVisible);
   // #6147 — built-in providers can opt in to an advanced base-URL override.
@@ -430,18 +420,7 @@ export default function EditConnectionModal({
       });
       const existing = connection.providerSpecificData?.extraApiKeys;
       setExtraApiKeys(Array.isArray(existing) ? existing : []);
-      const health = connection.providerSpecificData?.apiKeyHealth as
-        | Record<
-            string,
-            {
-              status: "active" | "warning" | "invalid";
-              failures: number;
-              lastFailure: string | null;
-              totalRequests?: number;
-              totalFailures?: number;
-            }
-          >
-        | undefined;
+      const health = connection.providerSpecificData?.apiKeyHealth as ApiKeyHealthMap | undefined;
       setApiKeyHealth(health || {});
       setNewExtraKey("");
       setOpenRouterPreset(existingOpenRouterPreset);
diff --git a/src/app/(dashboard)/dashboard/providers/[id]/components/modals/connectionApiKeyHealth.ts b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/connectionApiKeyHealth.ts
new file mode 100644
index 000000000000..d87cfcf9a0f5
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/providers/[id]/components/modals/connectionApiKeyHealth.ts
@@ -0,0 +1,9 @@
+export type ApiKeyHealthEntry = {
+  status: "active" | "warning" | "invalid";
+  failures: number;
+  lastFailure: string | null;
+  totalRequests?: number;
+  totalFailures?: number;
+};
+
+export type ApiKeyHealthMap = Record<string, ApiKeyHealthEntry>;

From be8dbb4a754111a30082e6a64cf5f5bac325974c Mon Sep 17 00:00:00 2001
From: Jan Leon <jan@leoncode.de>
Date: Thu, 8 Oct 2026 03:30:49 -0300
Subject: [PATCH 10/10] feat(i18n): translate the connection-test message keys
 across the 65 locales

Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
---
 src/i18n/messages/am.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ar.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/az.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/bg.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/bn.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/bs.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/cs.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/da.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/de.json    | 24 +++++++++---------
 src/i18n/messages/el.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/es.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/et.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/fa.json    | 46 +++++++++++++++++++++++++---------
 src/i18n/messages/fi.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/fr.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ga.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/gu.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ha.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/he.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/hi.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/hr.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/hu.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/hy.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/id.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ig.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/it.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ja.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ka.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/km.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/kn.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ko.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/lt.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/lv.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ml.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/mr.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ms.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/mt.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/my.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ne.json    | 46 +++++++++++++++++++++++++---------
 src/i18n/messages/nl.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/no.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/or.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/pa.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/phi.json   | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/pl.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/pt-BR.json | 46 +++++++++++++++++++++++++---------
 src/i18n/messages/pt.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ro.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ru.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/si.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/sk.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/sl.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/sr.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/sv.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/sw.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ta.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/te.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/th.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/tr.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/uk-UA.json | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/ur.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/uz.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/vi.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/yo.json    | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/zh-CN.json | 48 ++++++++++++++++++++++++++----------
 src/i18n/messages/zh-TW.json | 48 ++++++++++++++++++++++++++----------
 66 files changed, 2284 insertions(+), 854 deletions(-)

diff --git a/src/i18n/messages/am.json b/src/i18n/messages/am.json
index cef32102d2dd..4ea8f0fe173a 100644
--- a/src/i18n/messages/am.json
+++ b/src/i18n/messages/am.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "የላይኛውን ምንጭ ነባሪ ቅንብሮች መልስ",
     "resetToUpstreamDefaultsSuccess": "የላይኛው ምንጭ ሞዴል ነባሪ ቅንብሮች ተመልሰዋል",
     "resetToUpstreamDefaultsFailed": "የላይኛውን ምንጭ ሞዴል ነባሪ ቅንብሮች መመለስ አልተሳካም",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "በነባሪነት በየ6 ሰዓቱ የሞዴል ዝርዝሩን በራስ-ሰር አድስ (በMODEL_SYNC_INTERVAL_HOURS ሊዋቀር ይችላል)",
     "autoSyncEnabled": "ራስ-ሰር ማመሳሰል ነቅቷል — ሞዴሎች በየጊዜው ይታደሳሉ",
     "autoSyncDisabled": "ራስ-ሰር ማመሳሰል ተሰናክሏል",
     "autoSyncToggleFailed": "የራስ-ሰር ማመሳሰል ቅንብርን መቀየር አልተሳካም",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "በማቀዝቀዝ ላይ",
     "codexPoolUsed": "ጥቅም ላይ ውሏል",
     "codexPoolUntil": "እስከ {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ስም-አልባ ተተኪ",
     "anonymousFallbackDesc": "ሁሉም የተዋቀሩ ግንኙነቶች ሲያልቁ (በኮታ፣ በክሬዲት ወይም በጊዜ ማብቂያ ምክንያት)፣ ለጊዜው የዚህን አቅራቢ ቁልፍ የማያስፈልገውን ደረጃ ይጠቀሙ። ስም-አልባ ጥያቄዎችን ከመላክ ይልቅ ይህን አቅራቢ ለመዝለል ያጥፉት — ቁልፍ የማያስፈልገው ደረጃ ጥያቄዎቹን ውድቅ ሲያደርግ (401) ይመከራል።",
     "anonymousFallbackEnabled": "ስም-አልባ ተተኪ ለ{provider} ነቅቷል",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "የተቀመጡ የሞዴል መጨረሻ ነጥብ ቅንብሮች",
     "searchByModelAria": "በሞዴል ይፈልጉ",
     "selectSupportedEndpoint": "ቢያንስ አንድ የሚደገፍ መጨረሻ ነጥብ ይምረጡ",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "ቅንብሮች",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "የአጋር አገናኝ",
     "dismissAriaLabel": "ዝጋ"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "በ/v1/models ካታሎግ ውስጥ የአስተሳሰብ ደረጃ ተለዋጮችን (ለምሳሌ -low, -medium, -high) ማመንጨትን አሰናክል።"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "በ/v1/models ካታሎግ ውስጥ የአስተሳሰብ ደረጃ ተለዋጮችን (ለምሳሌ -low, -medium, -high) ማመንጨትን አሰናክል።",
+  "connectionTest": {
+    "title": "የሙከራ መልዕክት",
+    "description": "በዚህ መለያ በኩል አንድ እውነተኛ ጥያቄ ይላኩ። ይህ አነስተኛ የኮታ መጠን ይጠቀማል፣ እና እንደ አቅራቢው ሁኔታ የአጠቃቀም ጊዜ መስኮትን ሊጀምር ይችላል።",
+    "loading": "የመለያው ሞዴሎች በመጫን ላይ…",
+    "model": "ለዚህ መለያ የሙከራ ሞዴል",
+    "chooseModel": "ሞዴል ይምረጡ",
+    "unavailable": "በአሁኑ ካታሎግ ውስጥ የለም",
+    "noModels": "ምንም የውይይት ሞዴሎች የሉም። መጀመሪያ የዚህን መለያ ሞዴሎች ያመሳስሉ።",
+    "message": "መልዕክት",
+    "settingsLink": "መልዕክቱን በAI ቅንብሮች ውስጥ ይቀይሩ",
+    "activateFirst": "መልዕክት ከመላክዎ በፊት ይህን መለያ ያግብሩ።",
+    "saveModel": "ሞዴሉን አስቀምጥ",
+    "send": "የሙከራ መልዕክት ላክ",
+    "saved": "ተቀምጧል",
+    "answer": "የሞዴሉ ምላሽ",
+    "failed": "ጥያቄው አልተሳካም። እባክዎ እንደገና ይሞክሩ።",
+    "settingsTitle": "በእጅ የሚላኩ የመለያ ሙከራ መልዕክቶች",
+    "settingsDescription": "ይህ መልዕክት በConnections እና Provider Quota ስር ባሉ የሙከራ አዝራሮች ይጠቀማል። ለእያንዳንዱ መለያ ሞዴሉን ለየብቻ ይምረጡ። ማስቀመጥ መልዕክት አይልክም ወይም ራስ-ሰር ፒንጎችን አያነቃም።",
+    "saveMessage": "መልዕክቱን አስቀምጥ",
+    "defaultModel": "ነባሪ የሙከራ ሞዴል",
+    "defaultModelHint": "ለዚህ መለያ ባሉ የመልእክት ሙከራ አዝራሮች በራስ-ሰር ጥቅም ላይ ይውላል። ከግንኙነቱ ጋር ይቀመጣል፤ ምንም መልእክት አይላክም።"
+  }
 }
diff --git a/src/i18n/messages/ar.json b/src/i18n/messages/ar.json
index b23d6b6b4727..22329f5af2c9 100644
--- a/src/i18n/messages/ar.json
+++ b/src/i18n/messages/ar.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "استعادة الإعدادات الافتراضية للمصدر",
     "resetToUpstreamDefaultsSuccess": "تم استعادة إعدادات النموذج الافتراضية من المصدر",
     "resetToUpstreamDefaultsFailed": "فشل في استعادة إعدادات النموذج الافتراضية من المصدر",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "تحديث قائمة النماذج تلقائيًا كل 6 ساعات افتراضيًا (قابل للتهيئة عبر MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "تم تمكين المزامنة التلقائية — سيتم تحديث النماذج بشكل دوري",
     "autoSyncDisabled": "تم تعطيل المزامنة التلقائية",
     "autoSyncToggleFailed": "فشل في تبديل المزامنة التلقائية",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "في فترة تهدئة",
     "codexPoolUsed": "مُستخدم",
     "codexPoolUntil": "حتى {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "التراجع المجهول",
     "anonymousFallbackDesc": "عند استنفاد جميع الاتصالات المكونة (الحصة، الاعتمادات، أو انتهاء الصلاحية)، استخدم مؤقتًا المستوى بدون مفتاح لهذا المزود. قم بإيقاف التشغيل لتخطي هذا المزود بدلاً من إرسال طلبات مجهولة — يُوصى بذلك عندما يرفض المستوى بدون مفتاح هذه الطلبات (401).",
     "anonymousFallbackEnabled": "تم تمكين النسخة الاحتياطية المجهولة لـ {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "إعدادات نقطة نهاية النموذج المحفوظ",
     "searchByModelAria": "البحث حسب الطراز",
     "selectSupportedEndpoint": "اختر نقطة نهاية مدعومة واحدة على الأقل",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "الإعدادات",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "رابط الشريك",
     "dismissAriaLabel": "إغلاق"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "تعطيل إنشاء متغيرات مستوى التفكير (مثل -low و-medium و-high) في كتالوج /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "تعطيل إنشاء متغيرات مستوى التفكير (مثل -low و-medium و-high) في كتالوج /v1/models.",
+  "connectionTest": {
+    "title": "رسالة اختبار",
+    "description": "أرسل طلبًا حقيقيًا واحدًا عبر هذا الحساب. يستهلك ذلك قدرًا صغيرًا من الحصة وقد يبدأ نافذة استخدام، حسب المزوّد.",
+    "loading": "جارٍ تحميل نماذج الحساب…",
+    "model": "نموذج الاختبار لهذا الحساب",
+    "chooseModel": "اختر نموذجًا",
+    "unavailable": "غير موجود في الكتالوج الحالي",
+    "noModels": "لا تتوفر نماذج محادثة. زامِن نماذج هذا الحساب أولًا.",
+    "message": "الرسالة",
+    "settingsLink": "غيّر الرسالة في إعدادات الذكاء الاصطناعي",
+    "activateFirst": "فعّل هذا الحساب قبل إرسال رسالة.",
+    "saveModel": "حفظ النموذج",
+    "send": "إرسال رسالة اختبار",
+    "saved": "تم الحفظ",
+    "answer": "استجابة النموذج",
+    "failed": "فشل الطلب. يُرجى المحاولة مرة أخرى.",
+    "settingsTitle": "رسائل اختبار الحساب اليدوية",
+    "settingsDescription": "تُستخدم هذه الرسالة بواسطة أزرار الاختبار ضمن «الاتصالات» و«حصة المزوّد». اختر النموذج بشكل منفصل لكل حساب. لا يؤدي الحفظ إلى إرسال رسالة أو تفعيل عمليات الفحص التلقائية.",
+    "saveMessage": "حفظ الرسالة",
+    "defaultModel": "نموذج الاختبار الافتراضي",
+    "defaultModelHint": "يُستخدم تلقائيًا بواسطة أزرار «رسالة اختبار» لهذا الحساب. يُحفظ مع الاتصال؛ ولا تُرسل أي رسالة."
+  }
 }
diff --git a/src/i18n/messages/az.json b/src/i18n/messages/az.json
index a30158ca134a..4ffb5817b9d3 100644
--- a/src/i18n/messages/az.json
+++ b/src/i18n/messages/az.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Yuxarı axın standartlarını bərpa et",
     "resetToUpstreamDefaultsSuccess": "Yuxarı axın modelinin standart parametrləri bərpa edildi",
     "resetToUpstreamDefaultsFailed": "Yuxarı axın modelinin standartlarını bərpa etmək mümkün olmadı",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Defolt olaraq model siyahısını hər 6 saatdan bir avtomatik yeniləyin (MODEL_SYNC_INTERVAL_HOURS vasitəsilə konfiqurasiya edilə bilər)",
     "autoSyncEnabled": "Avtomatik sinxronizasiya aktivdir — modellər vaxtaşırı yenilənəcək",
     "autoSyncDisabled": "Avtomatik sinxronizasiya deaktivdir",
     "autoSyncToggleFailed": "Avtomatik sinxronizasiya dəyişdirilə bilmədi",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Gözləmə müddətindədir",
     "codexPoolUsed": "istifadə edilib",
     "codexPoolUntil": "{value} tarixinədək",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonim ehtiyat",
     "anonymousFallbackDesc": "Bütün konfiqurasiya olunmuş bağlantılar tükəndikdə (kvota, kreditlər və ya müddət), müvəqqəti olaraq bu təminatçının açarsız səviyyəsini istifadə edin. Anonim sorğular göndərmək əvəzinə bu təminatçını atlamaq üçün söndürün — açarsız səviyyə onları rədd etdikdə (401) tövsiyə olunur.",
     "anonymousFallbackEnabled": "{provider} üçün anonim ehtiyat aktivdir",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Saxlanmış model son nöqtəsi parametrləri",
     "searchByModelAria": "Model üzrə axtarış edin",
     "selectSupportedEndpoint": "Ən azı bir dəstəklənən son nöqtəni seçin",
-    "antigravityClientProfileHarness": "Test sistemi / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Test sistemi / CLI"
   },
   "settings": {
     "title": "Parametrlər",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Tərəfdaş keçidi",
     "dismissAriaLabel": "Bağla"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models kataloqunda düşünmə səviyyəsi variantlarının (məsələn, -low, -medium, -high) yaradılmasını deaktiv edin."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models kataloqunda düşünmə səviyyəsi variantlarının (məsələn, -low, -medium, -high) yaradılmasını deaktiv edin.",
+  "connectionTest": {
+    "title": "Test mesajı",
+    "description": "Bu hesab vasitəsilə bir real sorğu göndərin. Bu, kiçik miqdarda kvota istifadə edir və provayderdən asılı olaraq istifadə pəncərəsini başlada bilər.",
+    "loading": "Hesab modelləri yüklənir…",
+    "model": "Bu hesab üçün test modeli",
+    "chooseModel": "Model seçin",
+    "unavailable": "cari kataloqda yoxdur",
+    "noModels": "Heç bir çat modeli mövcud deyil. Əvvəlcə bu hesab üçün modelləri sinxronlaşdırın.",
+    "message": "Mesaj",
+    "settingsLink": "Mesajı AI Ayarlarında dəyişdirin",
+    "activateFirst": "Mesaj göndərməzdən əvvəl bu hesabı aktivləşdirin.",
+    "saveModel": "Modeli yadda saxla",
+    "send": "Test mesajı göndər",
+    "saved": "Yadda saxlanıldı",
+    "answer": "Modelin cavabı",
+    "failed": "Sorğu uğursuz oldu. Lütfən, yenidən cəhd edin.",
+    "settingsTitle": "Hesabın əl ilə test mesajları",
+    "settingsDescription": "Bu mesaj Connections və Provider Quota bölmələrindəki test düymələri tərəfindən istifadə olunur. Hər hesab üçün modeli ayrıca seçin. Yadda saxlamaq mesaj göndərmir və avtomatik pingləri aktivləşdirmir.",
+    "saveMessage": "Mesajı yadda saxla",
+    "defaultModel": "Defolt test modeli",
+    "defaultModelHint": "Bu hesab üçün “Sınaq mesajı” düymələri tərəfindən avtomatik istifadə olunur. Bağlantı ilə birlikdə yadda saxlanılır; heç bir mesaj göndərilmir."
+  }
 }
diff --git a/src/i18n/messages/bg.json b/src/i18n/messages/bg.json
index 23f983ed1421..c365a5ed1de7 100644
--- a/src/i18n/messages/bg.json
+++ b/src/i18n/messages/bg.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Възстановяване на настройки по подразбиране на upstream",
     "resetToUpstreamDefaultsSuccess": "Възстановени настройки по подразбиране на upstream модела",
     "resetToUpstreamDefaultsFailed": "Неуспешно възстановяване на подразбиращите се настройки на upstream модела",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Автоматично опресняване на списъка с модели на всеки 6 ч. по подразбиране (може да се конфигурира чрез MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Автоматичното синхронизиране е активирано — моделите ще се опресняват периодично",
     "autoSyncDisabled": "Автоматичното синхронизиране е деактивирано",
     "autoSyncToggleFailed": "Неуспешно превключване на автоматичното синхронизиране",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "В период на изчакване",
     "codexPoolUsed": "използвано",
     "codexPoolUntil": "До {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Анонимен резервен вариант",
     "anonymousFallbackDesc": "Когато всички конфигурирани връзки са изчерпани (квота, кредити или изтичане), временно използвайте безключовия слой на този доставчик. Изключете, за да пропуснете този доставчик вместо да изпращате анонимни заявки — препоръчително, когато безключовият слой ги отхвърля (401).",
     "anonymousFallbackEnabled": "Анонимен резервен вариант е активиран за {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Настройки на крайна точка на запазен модел",
     "searchByModelAria": "Търсене по модел",
     "selectSupportedEndpoint": "Изберете поне една поддържана крайна точка",
-    "antigravityClientProfileHarness": "Тестова среда / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Тестова среда / CLI"
   },
   "settings": {
     "title": "Настройки",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Партньорска връзка",
     "dismissAriaLabel": "Затваряне"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Деактивирайте генерирането на варианти за ниво на разсъждение (напр. -low, -medium, -high) в каталога /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Деактивирайте генерирането на варианти за ниво на разсъждение (напр. -low, -medium, -high) в каталога /v1/models.",
+  "connectionTest": {
+    "title": "Тестово съобщение",
+    "description": "Изпратете една реална заявка чрез този акаунт. Това използва малка част от квотата и може да стартира период на използване в зависимост от доставчика.",
+    "loading": "Зареждане на моделите за акаунта…",
+    "model": "Тестов модел за този акаунт",
+    "chooseModel": "Изберете модел",
+    "unavailable": "не е в текущия каталог",
+    "noModels": "Няма налични чат модели. Първо синхронизирайте моделите за този акаунт.",
+    "message": "Съобщение",
+    "settingsLink": "Променете съобщението в настройките на AI",
+    "activateFirst": "Активирайте този акаунт, преди да изпратите съобщение.",
+    "saveModel": "Запазване на модела",
+    "send": "Изпращане на тестово съобщение",
+    "saved": "Запазено",
+    "answer": "Отговор от модела",
+    "failed": "Заявката е неуспешна. Моля, опитайте отново.",
+    "settingsTitle": "Ръчни тестови съобщения за акаунта",
+    "settingsDescription": "Това съобщение се използва от бутоните за тестване в „Връзки“ и „Квота на доставчика“. Изберете модела поотделно за всеки акаунт. Запазването не изпраща съобщение и не активира автоматични проверки.",
+    "saveMessage": "Запазване на съобщението",
+    "defaultModel": "Тестов модел по подразбиране",
+    "defaultModelHint": "Използва се автоматично от бутоните „Тестово съобщение“ за този акаунт. Запазва се с връзката; не се изпраща съобщение."
+  }
 }
diff --git a/src/i18n/messages/bn.json b/src/i18n/messages/bn.json
index 69331d676795..b6cee4b1a48d 100644
--- a/src/i18n/messages/bn.json
+++ b/src/i18n/messages/bn.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "আপস্ট্রিম ডিফল্টগুলি পুনরুদ্ধার করুন",
     "resetToUpstreamDefaultsSuccess": "আপস্ট্রিম মডেল ডিফল্টগুলি পুনরুদ্ধার করা হয়েছে",
     "resetToUpstreamDefaultsFailed": "আপস্ট্রিম মডেল ডিফল্টগুলি পুনরুদ্ধার করতে ব্যর্থ হয়েছে",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ডিফল্টভাবে প্রতি 6h অন্তর স্বয়ংক্রিয়ভাবে মডেলের তালিকা রিফ্রেশ করুন (MODEL_SYNC_INTERVAL_HOURS-এর মাধ্যমে কনফিগারযোগ্য)",
     "autoSyncEnabled": "স্বয়ংক্রিয় সিঙ্ক চালু আছে — মডেলগুলো নির্দিষ্ট সময় পরপর রিফ্রেশ হবে",
     "autoSyncDisabled": "স্বয়ংক্রিয় সিঙ্ক বন্ধ আছে",
     "autoSyncToggleFailed": "স্বয়ংক্রিয় সিঙ্কের অবস্থা পরিবর্তন করা যায়নি",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "কুলডাউনে আছে",
     "codexPoolUsed": "ব্যবহৃত",
     "codexPoolUntil": "{value} পর্যন্ত",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "অজ্ঞাত ফালব্যাক",
     "anonymousFallbackDesc": "যখন সমস্ত কনফিগার করা সংযোগ শেষ হয়ে যায় (কোটা, ক্রেডিট, বা মেয়াদ শেষ), এই প্রদানকারীর কীবিহীন স্তরটি অস্থায়ীভাবে ব্যবহার করুন। অজ্ঞাত অনুরোধ পাঠানোর পরিবর্তে এই প্রদানকারীটি বাদ দিতে বন্ধ করুন — যখন কীবিহীন স্তর সেগুলি প্রত্যাখ্যান করে (401) তখন এটি সুপারিশ করা হয়।",
     "anonymousFallbackEnabled": "{provider} এর জন্য অজ্ঞাত ফFallback সক্রিয় করা হয়েছে",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "সংরক্ষিত মডেল এন্ডপয়েন্ট সেটিংস",
     "searchByModelAria": "মডেল দ্বারা অনুসন্ধান করুন",
     "selectSupportedEndpoint": "কমপক্ষে একটি সমর্থিত এন্ডপয়েন্ট নির্বাচন করুন",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "সেটিংস",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "অংশীদার লিঙ্ক",
     "dismissAriaLabel": "বন্ধ করুন"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ক্যাটালগে চিন্তার স্তরের ভ্যারিয়েন্ট (যেমন -low, -medium, -high) তৈরি করা বন্ধ করুন।"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ক্যাটালগে চিন্তার স্তরের ভ্যারিয়েন্ট (যেমন -low, -medium, -high) তৈরি করা বন্ধ করুন।",
+  "connectionTest": {
+    "title": "পরীক্ষামূলক বার্তা",
+    "description": "এই অ্যাকাউন্টের মাধ্যমে একটি বাস্তব অনুরোধ পাঠান। এতে সামান্য পরিমাণ কোটা ব্যবহৃত হয় এবং প্রদানকারীর ওপর নির্ভর করে একটি ব্যবহারের সময়সীমা শুরু হতে পারে।",
+    "loading": "অ্যাকাউন্টের মডেলগুলো লোড হচ্ছে…",
+    "model": "এই অ্যাকাউন্টের জন্য পরীক্ষামূলক মডেল",
+    "chooseModel": "একটি মডেল বেছে নিন",
+    "unavailable": "বর্তমান ক্যাটালগে নেই",
+    "noModels": "কোনো চ্যাট মডেল উপলভ্য নেই। প্রথমে এই অ্যাকাউন্টের মডেলগুলো সিঙ্ক করুন।",
+    "message": "বার্তা",
+    "settingsLink": "AI Settings-এ বার্তাটি পরিবর্তন করুন",
+    "activateFirst": "বার্তা পাঠানোর আগে এই অ্যাকাউন্টটি সক্রিয় করুন।",
+    "saveModel": "মডেল সংরক্ষণ করুন",
+    "send": "পরীক্ষামূলক বার্তা পাঠান",
+    "saved": "সংরক্ষিত হয়েছে",
+    "answer": "মডেলের প্রতিক্রিয়া",
+    "failed": "অনুরোধটি ব্যর্থ হয়েছে। অনুগ্রহ করে আবার চেষ্টা করুন।",
+    "settingsTitle": "ম্যানুয়াল অ্যাকাউন্ট পরীক্ষার বার্তা",
+    "settingsDescription": "এই বার্তাটি Connections এবং Provider Quota-এর অধীনে থাকা পরীক্ষার বোতামগুলো ব্যবহার করে। প্রতিটি অ্যাকাউন্টের জন্য আলাদাভাবে মডেল বেছে নিন। সংরক্ষণ করলে কোনো বার্তা পাঠানো হয় না বা স্বয়ংক্রিয় পিং সক্রিয় হয় না।",
+    "saveMessage": "বার্তা সংরক্ষণ করুন",
+    "defaultModel": "ডিফল্ট পরীক্ষামূলক মডেল",
+    "defaultModelHint": "এই অ্যাকাউন্টের ‘বার্তা পরীক্ষা করুন’ বোতামগুলো স্বয়ংক্রিয়ভাবে এটি ব্যবহার করে। সংযোগের সঙ্গে সংরক্ষিত হয়; কোনো বার্তা পাঠানো হয় না।"
+  }
 }
diff --git a/src/i18n/messages/bs.json b/src/i18n/messages/bs.json
index bd677fefa350..b6587109ad8b 100644
--- a/src/i18n/messages/bs.json
+++ b/src/i18n/messages/bs.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Vrati podrazumijevane postavke upstream-a",
     "resetToUpstreamDefaultsSuccess": "Vraćene su podrazumijevane postavke upstream modela",
     "resetToUpstreamDefaultsFailed": "Neuspjelo vraćanje podrazumijevanih postavki upstream modela",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Automatski osvježavaj listu modela svakih 6 h prema zadanim postavkama (podesivo putem MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Auto-sync omogućen — modeli će se periodično osvježavati",
     "autoSyncDisabled": "Auto-sync onemogućen",
     "autoSyncToggleFailed": "Neuspjelo prebacivanje auto-sync-a",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Hlađenje",
     "codexPoolUsed": "iskorišteno",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonimni fallback",
     "anonymousFallbackDesc": "Kada su sve konfigurisane veze iscrpljene (kvota, krediti ili istek), privremeno koristite besplatni nivo ovog provajdera bez ključa. Isključite kako biste preskočili ovog provajdera umjesto slanja anonimnih zahtjeva — preporučeno kada besplatni nivo odbija zahtjeve (401).",
     "anonymousFallbackEnabled": "Anonimni fallback omogućen za {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Spremljene postavke krajnje tačke modela",
     "searchByModelAria": "Pretraži po modelu",
     "selectSupportedEndpoint": "Odaberite barem jednu podržanu krajnju tačku",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Postavke",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerski link",
     "dismissAriaLabel": "Zatvori"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogućite generisanje varijanti nivoa razmišljanja (npr. -low, -medium, -high) u /v1/models katalogu."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogućite generisanje varijanti nivoa razmišljanja (npr. -low, -medium, -high) u /v1/models katalogu.",
+  "connectionTest": {
+    "title": "Testna poruka",
+    "description": "Pošaljite jedan stvarni zahtjev putem ovog računa. Ovo koristi malu količinu kvote i može pokrenuti period korištenja, zavisno od pružaoca usluge.",
+    "loading": "Učitavanje modela računa…",
+    "model": "Testni model za ovaj račun",
+    "chooseModel": "Odaberite model",
+    "unavailable": "nije u trenutnom katalogu",
+    "noModels": "Nema dostupnih modela za razgovor. Prvo sinhronizirajte modele za ovaj račun.",
+    "message": "Poruka",
+    "settingsLink": "Promijenite poruku u AI postavkama",
+    "activateFirst": "Aktivirajte ovaj račun prije slanja poruke.",
+    "saveModel": "Sačuvaj model",
+    "send": "Pošalji testnu poruku",
+    "saved": "Sačuvano",
+    "answer": "Odgovor modela",
+    "failed": "Zahtjev nije uspio. Pokušajte ponovo.",
+    "settingsTitle": "Ručne testne poruke računa",
+    "settingsDescription": "Ovu poruku koriste dugmad za testiranje u odjeljcima Veze i Kvota pružaoca usluge. Odaberite model zasebno za svaki račun. Čuvanje ne šalje poruku niti omogućava automatske provjere.",
+    "saveMessage": "Sačuvaj poruku",
+    "defaultModel": "Zadani testni model",
+    "defaultModelHint": "Automatski se koristi pomoću dugmadi Testiraj poruku za ovaj račun. Sprema se zajedno s vezom; nijedna poruka se ne šalje."
+  }
 }
diff --git a/src/i18n/messages/cs.json b/src/i18n/messages/cs.json
index 462a4b3a328d..7f939ee4f85d 100644
--- a/src/i18n/messages/cs.json
+++ b/src/i18n/messages/cs.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Obnovit výchozí hodnoty upstream",
     "resetToUpstreamDefaultsSuccess": "Obnoveny výchozí modely upstream",
     "resetToUpstreamDefaultsFailed": "Nepodařilo se obnovit výchozí hodnoty modelu upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Ve výchozím nastavení automaticky obnovovat seznam modelů každých 6 h (lze nastavit pomocí MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatická synchronizace povolena – modely se budou pravidelně obnovovat",
     "autoSyncDisabled": "Automatická synchronizace zakázána",
     "autoSyncToggleFailed": "Nepodařilo se přepnout automatickou synchronizaci",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Probíhá čekací lhůta",
     "codexPoolUsed": "využito",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonymní záložní řešení",
     "anonymousFallbackDesc": "Když jsou všechny nakonfigurované připojení vyčerpány (kvóta, kredity nebo expirace), dočasně použijte bezklíčovou úroveň tohoto poskytovatele. Vypněte, abyste tohoto poskytovatele přeskočili místo odesílání anonymních požadavků — doporučeno, když bezklíčová úroveň je odmítá (401).",
     "anonymousFallbackEnabled": "Anonymní záložní možnost povolena pro {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Nastavení koncového bodu uloženého modelu",
     "searchByModelAria": "Hledat podle modelu",
     "selectSupportedEndpoint": "Vyberte alespoň jeden podporovaný koncový bod",
-    "antigravityClientProfileHarness": "Testovací rozhraní / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testovací rozhraní / CLI"
   },
   "settings": {
     "title": "Nastavení",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerský odkaz",
     "dismissAriaLabel": "Zavřít"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zakázat generování variant úrovně uvažování (např. -low, -medium, -high) v katalogu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zakázat generování variant úrovně uvažování (např. -low, -medium, -high) v katalogu /v1/models.",
+  "connectionTest": {
+    "title": "Testovací zpráva",
+    "description": "Odeslat jeden skutečný požadavek prostřednictvím tohoto účtu. Tím se využije malá část kvóty a v závislosti na poskytovateli se může zahájit období využití.",
+    "loading": "Načítání modelů účtu…",
+    "model": "Testovací model pro tento účet",
+    "chooseModel": "Vyberte model",
+    "unavailable": "není v aktuálním katalogu",
+    "noModels": "Nejsou k dispozici žádné chatovací modely. Nejprve synchronizujte modely pro tento účet.",
+    "message": "Zpráva",
+    "settingsLink": "Změňte zprávu v nastavení AI",
+    "activateFirst": "Před odesláním zprávy aktivujte tento účet.",
+    "saveModel": "Uložit model",
+    "send": "Odeslat testovací zprávu",
+    "saved": "Uloženo",
+    "answer": "Odpověď modelu",
+    "failed": "Požadavek se nezdařil. Zkuste to prosím znovu.",
+    "settingsTitle": "Ruční testovací zprávy účtu",
+    "settingsDescription": "Tato zpráva se používá testovacími tlačítky v částech Připojení a Kvóta poskytovatele. Model vyberte pro každý účet zvlášť. Uložením se zpráva neodešle ani se nepovolí automatické pingy.",
+    "saveMessage": "Uložit zprávu",
+    "defaultModel": "Výchozí testovací model",
+    "defaultModelHint": "Používá se automaticky tlačítky Testovací zpráva pro tento účet. Ukládá se spolu s připojením; žádná zpráva se neodesílá."
+  }
 }
diff --git a/src/i18n/messages/da.json b/src/i18n/messages/da.json
index c4e24ef96bb3..26c9680c85f3 100644
--- a/src/i18n/messages/da.json
+++ b/src/i18n/messages/da.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Gendan upstream standardindstillinger",
     "resetToUpstreamDefaultsSuccess": "Gendannet upstream model standardindstillinger",
     "resetToUpstreamDefaultsFailed": "Mislykkedes med at gendanne standardindstillinger for upstream-modellen",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Opdater automatisk modellisten hver 6. time som standard (kan konfigureres via MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatisk synkronisering aktiveret - modellerne opdateres med jævne mellemrum",
     "autoSyncDisabled": "Automatisk synkronisering deaktiveret",
     "autoSyncToggleFailed": "Automatisk synkronisering kunne ikke slås til eller fra",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "I nedkølingsperiode",
     "codexPoolUsed": "brugt",
     "codexPoolUntil": "Indtil {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonym fallback",
     "anonymousFallbackDesc": "Når alle konfigurerede forbindelser er udtømt (kvote, kreditter eller udløb), brug midlertidigt denne udbyders nøgleløse niveau. Sluk for at springe denne udbyder over i stedet for at sende anonyme anmodninger - anbefales når det nøgleløse niveau afviser dem (401).",
     "anonymousFallbackEnabled": "Anonym fallback aktiveret for {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Indstillinger for gemt model endpoint",
     "searchByModelAria": "Søg efter model",
     "selectSupportedEndpoint": "Vælg mindst én understøttet endpoint",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Indstillinger",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlink",
     "dismissAriaLabel": "Luk"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktivér genereringen af varianter af tænkeniveau (f.eks. -low, -medium, -high) i /v1/models-kataloget."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktivér genereringen af varianter af tænkeniveau (f.eks. -low, -medium, -high) i /v1/models-kataloget.",
+  "connectionTest": {
+    "title": "Testbesked",
+    "description": "Send én rigtig anmodning via denne konto. Dette bruger en lille del af kvoten og kan starte en forbrugsperiode, afhængigt af udbyderen.",
+    "loading": "Indlæser kontomodeller…",
+    "model": "Testmodel for denne konto",
+    "chooseModel": "Vælg en model",
+    "unavailable": "findes ikke i det aktuelle katalog",
+    "noModels": "Ingen chatmodeller er tilgængelige. Synkroniser først modellerne for denne konto.",
+    "message": "Besked",
+    "settingsLink": "Rediger beskeden i AI-indstillinger",
+    "activateFirst": "Aktivér denne konto, før du sender en besked.",
+    "saveModel": "Gem model",
+    "send": "Send testbesked",
+    "saved": "Gemt",
+    "answer": "Modelsvar",
+    "failed": "Anmodningen mislykkedes. Prøv igen.",
+    "settingsTitle": "Manuelle kontotestbeskeder",
+    "settingsDescription": "Denne besked bruges af testknapperne under Forbindelser og Udbyderkvote. Vælg modellen separat for hver konto. Når du gemmer, sendes der ikke en besked, og automatiske ping aktiveres ikke.",
+    "saveMessage": "Gem besked",
+    "defaultModel": "Standardtestmodel",
+    "defaultModelHint": "Bruges automatisk af knapperne Testmeddelelse for denne konto. Gemmes sammen med forbindelsen; der sendes ingen meddelelse."
+  }
 }
diff --git a/src/i18n/messages/de.json b/src/i18n/messages/de.json
index 5ec5745a2062..c1f3d1a1ac00 100644
--- a/src/i18n/messages/de.json
+++ b/src/i18n/messages/de.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Ursprüngliche Standardeinstellungen wiederherstellen",
     "resetToUpstreamDefaultsSuccess": "Ursprüngliche Standardwerte des Upstream-Modells wiederhergestellt",
     "resetToUpstreamDefaultsFailed": "Wiederherstellung der Standardwerte des upstream-Modells fehlgeschlagen",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Die Modellliste standardmäßig alle 6 Stunden automatisch aktualisieren (konfigurierbar über MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Auto-Sync aktiviert — Modelle werden regelmäßig aktualisiert",
     "autoSyncDisabled": "Auto-Sync deaktiviert",
     "autoSyncToggleFailed": "Auto-Sync umschalten fehlgeschlagen",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "In Abklingzeit",
     "codexPoolUsed": "verwendet",
     "codexPoolUntil": "Bis {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonymer Fallback",
     "anonymousFallbackDesc": "Wenn alle konfigurierten Verbindungen erschöpft sind (Kontingent, Guthaben oder Ablauf), verwenden Sie vorübergehend die schlüssellose Stufe dieses Anbieters. Deaktivieren Sie dies, um diesen Anbieter zu überspringen, anstatt anonyme Anfragen zu senden – empfohlen, wenn die schlüssellose Stufe diese ablehnt (401).",
     "anonymousFallbackEnabled": "Anonymer Fallback für {provider} aktiviert",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Einstellungen für den gespeicherten Modell-Endpunkt",
     "searchByModelAria": "Nach Modell suchen",
     "selectSupportedEndpoint": "Wählen Sie mindestens einen unterstützten Endpunkt aus",
-    "antigravityClientProfileHarness": "Testsystem / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testsystem / CLI"
   },
   "settings": {
     "title": "Einstellungen",
diff --git a/src/i18n/messages/el.json b/src/i18n/messages/el.json
index 3b08b4a62c32..db23a8140aac 100644
--- a/src/i18n/messages/el.json
+++ b/src/i18n/messages/el.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Επαναφορά προεπιλογών upstream",
     "resetToUpstreamDefaultsSuccess": "Οι προεπιλογές upstream μοντέλου επαναφέρθηκαν",
     "resetToUpstreamDefaultsFailed": "Αποτυχία επαναφοράς προεπιλογών upstream μοντέλου",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Αυτόματη ανανέωση της λίστας μοντέλων κάθε 6 ώρες από προεπιλογή (δυνατότητα ρύθμισης μέσω του MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Ο αυτόματος συγχρονισμός ενεργοποιήθηκε — τα μοντέλα θα ανανεώνονται περιοδικά",
     "autoSyncDisabled": "Ο αυτόματος συγχρονισμός απενεργοποιήθηκε",
     "autoSyncToggleFailed": "Αποτυχία εναλλαγής αυτόματου συγχρονισμού",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Σε περίοδο αναμονής",
     "codexPoolUsed": "χρησιμοποιήθηκε",
     "codexPoolUntil": "Έως {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Ανώνυμη εναλλακτική",
     "anonymousFallbackDesc": "Όταν εξαντληθούν όλες οι διαμορφωμένες συνδέσεις (όριο χρήσης, πιστώσεις ή λήξη), χρησιμοποιήστε προσωρινά το επίπεδο χωρίς κλειδί αυτού του παρόχου. Απενεργοποιήστε αυτήν τη ρύθμιση για να παραλείπεται αυτός ο πάροχος αντί να αποστέλλονται ανώνυμα αιτήματα — συνιστάται όταν το επίπεδο χωρίς κλειδί τα απορρίπτει (401).",
     "anonymousFallbackEnabled": "Η ανώνυμη εναλλακτική ενεργοποιήθηκε για τον {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Οι ρυθμίσεις τελικού σημείου μοντέλου αποθηκεύτηκαν",
     "searchByModelAria": "Αναζήτηση με βάση το μοντέλο",
     "selectSupportedEndpoint": "Επιλέξτε τουλάχιστον ένα υποστηριζόμενο endpoint",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Ρυθμίσεις",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Σύνδεσμος συνεργάτη",
     "dismissAriaLabel": "Κλείσιμο"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Απενεργοποίηση της δημιουργίας παραλλαγών επιπέδου σκέψης (π.χ. -low, -medium, -high) στον κατάλογο /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Απενεργοποίηση της δημιουργίας παραλλαγών επιπέδου σκέψης (π.χ. -low, -medium, -high) στον κατάλογο /v1/models.",
+  "connectionTest": {
+    "title": "Δοκιμαστικό μήνυμα",
+    "description": "Στείλτε ένα πραγματικό αίτημα μέσω αυτού του λογαριασμού. Αυτό χρησιμοποιεί ένα μικρό μέρος του ορίου χρήσης και ενδέχεται να ξεκινήσει ένα χρονικό παράθυρο χρήσης, ανάλογα με τον πάροχο.",
+    "loading": "Φόρτωση μοντέλων λογαριασμού…",
+    "model": "Δοκιμαστικό μοντέλο για αυτόν τον λογαριασμό",
+    "chooseModel": "Επιλέξτε ένα μοντέλο",
+    "unavailable": "δεν βρίσκεται στον τρέχοντα κατάλογο",
+    "noModels": "Δεν υπάρχουν διαθέσιμα μοντέλα συνομιλίας. Συγχρονίστε πρώτα τα μοντέλα για αυτόν τον λογαριασμό.",
+    "message": "Μήνυμα",
+    "settingsLink": "Αλλάξτε το μήνυμα στις Ρυθμίσεις AI",
+    "activateFirst": "Ενεργοποιήστε αυτόν τον λογαριασμό πριν στείλετε ένα μήνυμα.",
+    "saveModel": "Αποθήκευση μοντέλου",
+    "send": "Αποστολή δοκιμαστικού μηνύματος",
+    "saved": "Αποθηκεύτηκε",
+    "answer": "Απόκριση μοντέλου",
+    "failed": "Το αίτημα απέτυχε. Δοκιμάστε ξανά.",
+    "settingsTitle": "Μη αυτόματα δοκιμαστικά μηνύματα λογαριασμού",
+    "settingsDescription": "Αυτό το μήνυμα χρησιμοποιείται από τα κουμπιά δοκιμής στις ενότητες Συνδέσεις και Όριο παρόχου. Επιλέξτε το μοντέλο ξεχωριστά για κάθε λογαριασμό. Η αποθήκευση δεν στέλνει μήνυμα ούτε ενεργοποιεί αυτόματα ping.",
+    "saveMessage": "Αποθήκευση μηνύματος",
+    "defaultModel": "Προεπιλεγμένο δοκιμαστικό μοντέλο",
+    "defaultModelHint": "Χρησιμοποιείται αυτόματα από τα κουμπιά «Δοκιμαστικό μήνυμα» για αυτόν τον λογαριασμό. Αποθηκεύεται μαζί με τη σύνδεση· δεν αποστέλλεται κανένα μήνυμα."
+  }
 }
diff --git a/src/i18n/messages/es.json b/src/i18n/messages/es.json
index 498521be1e21..81f470f9aded 100644
--- a/src/i18n/messages/es.json
+++ b/src/i18n/messages/es.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Restaurar valores predeterminados del upstream",
     "resetToUpstreamDefaultsSuccess": "Restaurados los valores predeterminados del modelo upstream",
     "resetToUpstreamDefaultsFailed": "No se pudo restaurar los valores predeterminados del modelo upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Actualizar automáticamente la lista de modelos cada 6 h de forma predeterminada (configurable mediante MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sincronización automática activada — los modelos se actualizarán periódicamente",
     "autoSyncDisabled": "Sincronización automática desactivada",
     "autoSyncToggleFailed": "Error al alternar sincronización automática",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "En espera",
     "codexPoolUsed": "usado",
     "codexPoolUntil": "Hasta {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Recaudación anónima",
     "anonymousFallbackDesc": "Cuando todas las conexiones configuradas están agotadas (cuota, créditos o expiración), utiliza temporalmente el nivel sin clave de este proveedor. Desactiva para omitir este proveedor en lugar de enviar solicitudes anónimas — recomendado cuando el nivel sin clave las rechaza (401).",
     "anonymousFallbackEnabled": "Fallback anónimo habilitado para {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Configuración del punto final del modelo guardado",
     "searchByModelAria": "Buscar por modelo",
     "selectSupportedEndpoint": "Seleccione al menos un endpoint compatible",
-    "antigravityClientProfileHarness": "Entorno / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Entorno / CLI"
   },
   "settings": {
     "title": "Configuración",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Enlace del socio",
     "dismissAriaLabel": "Cerrar"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desactiva la generación de variantes del nivel de razonamiento (p. ej., -low, -medium, -high) en el catálogo /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desactiva la generación de variantes del nivel de razonamiento (p. ej., -low, -medium, -high) en el catálogo /v1/models.",
+  "connectionTest": {
+    "title": "Mensaje de prueba",
+    "description": "Envía una solicitud real a través de esta cuenta. Esto utiliza una pequeña cantidad de la cuota y puede iniciar un período de uso, según el proveedor.",
+    "loading": "Cargando los modelos de la cuenta…",
+    "model": "Modelo de prueba para esta cuenta",
+    "chooseModel": "Elige un modelo",
+    "unavailable": "no está en el catálogo actual",
+    "noModels": "No hay modelos de chat disponibles. Sincroniza primero los modelos de esta cuenta.",
+    "message": "Mensaje",
+    "settingsLink": "Cambia el mensaje en Configuración de IA",
+    "activateFirst": "Activa esta cuenta antes de enviar un mensaje.",
+    "saveModel": "Guardar modelo",
+    "send": "Enviar mensaje de prueba",
+    "saved": "Guardado",
+    "answer": "Respuesta del modelo",
+    "failed": "La solicitud falló. Inténtalo de nuevo.",
+    "settingsTitle": "Mensajes manuales de prueba de la cuenta",
+    "settingsDescription": "Este mensaje se utiliza en los botones de prueba de Conexiones y Cuota del proveedor. Elige el modelo por separado para cada cuenta. Guardarlo no envía ningún mensaje ni habilita comprobaciones automáticas.",
+    "saveMessage": "Guardar mensaje",
+    "defaultModel": "Modelo de prueba predeterminado",
+    "defaultModelHint": "Se usa automáticamente con los botones «Mensaje de prueba» de esta cuenta. Se guarda con la conexión; no se envía ningún mensaje."
+  }
 }
diff --git a/src/i18n/messages/et.json b/src/i18n/messages/et.json
index a0793def41e2..acd28ccde762 100644
--- a/src/i18n/messages/et.json
+++ b/src/i18n/messages/et.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Taasta ülesvoolu vaikeseaded",
     "resetToUpstreamDefaultsSuccess": "Ülesvoolu mudeli vaikeseaded taastati",
     "resetToUpstreamDefaultsFailed": "Ülesvoolu mudeli vaikeseadete taastamine nurjus",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Värskenda mudelite loendit vaikimisi automaatselt iga 6 tunni järel (seadistatav muutuja MODEL_SYNC_INTERVAL_HOURS kaudu)",
     "autoSyncEnabled": "Automaatne sünkroonimine on lubatud — mudeleid värskendatakse perioodiliselt",
     "autoSyncDisabled": "Automaatne sünkroonimine on keelatud",
     "autoSyncToggleFailed": "Automaatse sünkroonimise lülitamine nurjus",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Jahtumisel",
     "codexPoolUsed": "kasutatud",
     "codexPoolUntil": "Kuni {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonüümne varurežiim",
     "anonymousFallbackDesc": "Kui kõik seadistatud ühendused on ammendunud (kvoodi, krediitide või aegumise tõttu), kasuta ajutiselt selle teenusepakkuja võtmeta teenusetaset. Lülita see välja, et anonüümsete päringute saatmise asemel teenusepakkuja vahele jätta — see on soovitatav juhul, kui võtmeta teenusetase lükkab need tagasi (401).",
     "anonymousFallbackEnabled": "Teenusepakkuja {provider} anonüümne varurežiim on lubatud",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Mudeli lõpp-punkti seaded salvestatud",
     "searchByModelAria": "Otsi mudeli järgi",
     "selectSupportedEndpoint": "Valige vähemalt üks toetatud lõpp-punkt",
-    "antigravityClientProfileHarness": "Rakendusraamistik / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Rakendusraamistik / CLI"
   },
   "settings": {
     "title": "Seaded",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlink",
     "dismissAriaLabel": "Sulge"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Keela mõtlemistaseme variantide (nt -low, -medium, -high) loomine /v1/models kataloogis."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Keela mõtlemistaseme variantide (nt -low, -medium, -high) loomine /v1/models kataloogis.",
+  "connectionTest": {
+    "title": "Testsõnum",
+    "description": "Saada selle konto kaudu üks tegelik päring. See kasutab vähesel määral kvooti ja võib olenevalt teenusepakkujast käivitada kasutusperioodi.",
+    "loading": "Konto mudelite laadimine…",
+    "model": "Selle konto testmudel",
+    "chooseModel": "Vali mudel",
+    "unavailable": "ei ole praeguses kataloogis",
+    "noModels": "Vestlusmudeleid pole saadaval. Esmalt sünkrooni selle konto mudelid.",
+    "message": "Sõnum",
+    "settingsLink": "Muuda sõnumit AI seadetes",
+    "activateFirst": "Enne sõnumi saatmist aktiveeri see konto.",
+    "saveModel": "Salvesta mudel",
+    "send": "Saada testsõnum",
+    "saved": "Salvestatud",
+    "answer": "Mudeli vastus",
+    "failed": "Päring nurjus. Palun proovi uuesti.",
+    "settingsTitle": "Konto käsitsi saadetavad testsõnumid",
+    "settingsDescription": "Seda sõnumit kasutavad jaotiste „Ühendused“ ja „Teenusepakkuja kvoot“ testnupud. Vali mudel iga konto jaoks eraldi. Salvestamine ei saada sõnumit ega luba automaatseid kontrollpäringuid.",
+    "saveMessage": "Salvesta sõnum",
+    "defaultModel": "Vaikimisi testmudel",
+    "defaultModelHint": "Selle konto puhul kasutavad seda automaatselt nupud „Testi sõnumit“. Salvestatakse koos ühendusega; ühtegi sõnumit ei saadeta."
+  }
 }
diff --git a/src/i18n/messages/fa.json b/src/i18n/messages/fa.json
index 37c414155539..c5bb8a77fda4 100644
--- a/src/i18n/messages/fa.json
+++ b/src/i18n/messages/fa.json
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "در دوره انتظار",
     "codexPoolUsed": "مصرف‌شده",
     "codexPoolUntil": "تا {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "پشتیبانی ناشناس",
     "anonymousFallbackDesc": "زمانی که تمام اتصالات پیکربندی‌شده تمام شده‌اند (سهمیه، اعتبار یا انقضا)، به‌طور موقت از سطح بدون کلید این ارائه‌دهنده استفاده کنید. برای رد کردن این ارائه‌دهنده به‌جای ارسال درخواست‌های ناشناس خاموش کنید — این کار زمانی توصیه می‌شود که سطح بدون کلید آن‌ها را رد کند (401).",
     "anonymousFallbackEnabled": "پشتیبانی ناشناس برای {provider} فعال شد",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "تنظیمات نقطه پایانی مدل ذخیره شده",
     "searchByModelAria": "جستجو بر اساس مدل",
     "selectSupportedEndpoint": "حداقل یک نقطه پایانی پشتیبانی شده را انتخاب کنید",
-    "antigravityClientProfileHarness": "هارنس / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "هارنس / CLI"
   },
   "settings": {
     "title": "تنظیمات",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "پیوند شریک",
     "dismissAriaLabel": "بستن"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "تولید گونههای سطح تفکر (برای مثال -low، -medium و -high) را در کاتالوگ /v1/models غیرفعال کنید."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "تولید گونههای سطح تفکر (برای مثال -low، -medium و -high) را در کاتالوگ /v1/models غیرفعال کنید.",
+  "connectionTest": {
+    "title": "پیام آزمایشی",
+    "description": "یک درخواست واقعی از طریق این حساب ارسال کنید. این کار مقدار کمی از سهمیه را مصرف میکند و بسته به ارائهدهنده ممکن است یک بازهٔ استفاده را آغاز کند.",
+    "loading": "در حال بارگذاری مدلهای حساب…",
+    "model": "مدل آزمایشی برای این حساب",
+    "chooseModel": "یک مدل انتخاب کنید",
+    "unavailable": "در فهرست فعلی موجود نیست",
+    "noModels": "هیچ مدل گفتوگویی در دسترس نیست. ابتدا مدلهای این حساب را همگامسازی کنید.",
+    "message": "پیام",
+    "settingsLink": "پیام را در تنظیمات هوش مصنوعی تغییر دهید",
+    "activateFirst": "پیش از ارسال پیام، این حساب را فعال کنید.",
+    "saveModel": "ذخیرهٔ مدل",
+    "send": "ارسال پیام آزمایشی",
+    "saved": "ذخیره شد",
+    "answer": "پاسخ مدل",
+    "failed": "درخواست ناموفق بود. لطفاً دوباره تلاش کنید.",
+    "settingsTitle": "پیامهای آزمایشی دستی حساب",
+    "settingsDescription": "این پیام توسط دکمههای آزمایش در بخشهای اتصالات و سهمیهٔ ارائهدهنده استفاده میشود. مدل را برای هر حساب جداگانه انتخاب کنید. ذخیرهسازی باعث ارسال پیام یا فعال شدن پینگهای خودکار نمیشود.",
+    "saveMessage": "ذخیرهٔ پیام",
+    "defaultModel": "مدل آزمایشی پیشفرض",
+    "defaultModelHint": "دکمههای پیام آزمایشی بهطور خودکار از این مدل برای این حساب استفاده میکنند. همراه با اتصال ذخیره میشود؛ هیچ پیامی ارسال نمیشود."
+  }
 }
diff --git a/src/i18n/messages/fi.json b/src/i18n/messages/fi.json
index f547144f981c..253f49866566 100644
--- a/src/i18n/messages/fi.json
+++ b/src/i18n/messages/fi.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Palauta upstream-oletukset",
     "resetToUpstreamDefaultsSuccess": "Palautettiin ylävirran mallin oletukset",
     "resetToUpstreamDefaultsFailed": "Palautus upstream-mallin oletusasetuksista epäonnistui",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Päivitä malliluettelo automaattisesti oletusarvoisesti 6 tunnin välein (määritettävissä asetuksella MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automaattinen synkronointi käytössä – mallit päivittyvät säännöllisesti",
     "autoSyncDisabled": "Automaattinen synkronointi poistettu käytöstä",
     "autoSyncToggleFailed": "Automaattisen synkronoinnin vaihtaminen epäonnistui",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Jäähdytysjaksolla",
     "codexPoolUsed": "käytetty",
     "codexPoolUntil": "{value} asti",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonyymi varajärjestelmä",
     "anonymousFallbackDesc": "Kun kaikki määritetyt yhteydet on käytetty loppuun (kiintiö, krediitit tai vanhentuminen), käytä väliaikaisesti tämän tarjoajan avaimettomaa tasoa. Poista käytöstä tämän tarjoajan ohittamiseksi sen sijaan, että lähetät nimettömiä pyyntöjä — suositellaan, kun avaimeton taso hylkää ne (401).",
     "anonymousFallbackEnabled": "Anonyymi varajärjestelmä käytössä {provider} varten",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Tallennetun mallin päätepisteen asetukset",
     "searchByModelAria": "Hae mallin mukaan",
     "selectSupportedEndpoint": "Valitse vähintään yksi tuettu päätepiste",
-    "antigravityClientProfileHarness": "Testauskehys / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testauskehys / CLI"
   },
   "settings": {
     "title": "Asetukset",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Kumppanilinkki",
     "dismissAriaLabel": "Sulje"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Poista käytöstä ajattelutason varianttien (esim. -low, -medium, -high) luonti /v1/models-luettelossa."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Poista käytöstä ajattelutason varianttien (esim. -low, -medium, -high) luonti /v1/models-luettelossa.",
+  "connectionTest": {
+    "title": "Testiviesti",
+    "description": "Lähetä yksi oikea pyyntö tämän tilin kautta. Tämä käyttää pienen määrän kiintiötä ja voi käynnistää käyttöjakson palveluntarjoajasta riippuen.",
+    "loading": "Ladataan tilin malleja…",
+    "model": "Tämän tilin testimalli",
+    "chooseModel": "Valitse malli",
+    "unavailable": "ei nykyisessä luettelossa",
+    "noModels": "Chat-malleja ei ole saatavilla. Synkronoi ensin tämän tilin mallit.",
+    "message": "Viesti",
+    "settingsLink": "Muuta viestiä tekoälyasetuksissa",
+    "activateFirst": "Aktivoi tämä tili ennen viestin lähettämistä.",
+    "saveModel": "Tallenna malli",
+    "send": "Lähetä testiviesti",
+    "saved": "Tallennettu",
+    "answer": "Mallin vastaus",
+    "failed": "Pyyntö epäonnistui. Yritä uudelleen.",
+    "settingsTitle": "Manuaaliset tilin testiviestit",
+    "settingsDescription": "Tätä viestiä käytetään Yhteydet- ja Palveluntarjoajan kiintiö -osioiden testipainikkeissa. Valitse malli erikseen kullekin tilille. Tallentaminen ei lähetä viestiä eikä ota automaattisia tarkistuksia käyttöön.",
+    "saveMessage": "Tallenna viesti",
+    "defaultModel": "Oletusarvoinen testimalli",
+    "defaultModelHint": "Käytetään automaattisesti tämän tilin Test message -painikkeissa. Tallennetaan yhteyden mukana; viestiä ei lähetetä."
+  }
 }
diff --git a/src/i18n/messages/fr.json b/src/i18n/messages/fr.json
index 4f73997c9609..e7d45bca37c0 100644
--- a/src/i18n/messages/fr.json
+++ b/src/i18n/messages/fr.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Restaurer les valeurs par défaut en amont",
     "resetToUpstreamDefaultsSuccess": "Modèles par défaut de l'amont restaurés",
     "resetToUpstreamDefaultsFailed": "Échec de la restauration des paramètres par défaut du modèle en amont",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Actualiser automatiquement la liste des modèles toutes les 6 h par défaut (configurable via MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Synchronisation automatique activée — les modèles seront actualisés périodiquement",
     "autoSyncDisabled": "Synchronisation automatique désactivée",
     "autoSyncToggleFailed": "Échec de l'activation de la synchronisation automatique",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "En période d'attente",
     "codexPoolUsed": "utilisé",
     "codexPoolUntil": "Jusqu'à {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anonyme",
     "anonymousFallbackDesc": "Lorsque toutes les connexions configurées sont épuisées (quota, crédits ou expiration), utilisez temporairement le niveau sans clé de ce fournisseur. Désactivez cette option pour ignorer ce fournisseur au lieu d'envoyer des requêtes anonymes — recommandé lorsque le niveau sans clé les rejette (401).",
     "anonymousFallbackEnabled": "Fallback anonyme activé pour {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Saved modèles endpoint paramètres",
     "searchByModelAria": "Rechercher un modèle",
     "selectSupportedEndpoint": "Sélectionnez au moins un endpoint pris en charge",
-    "antigravityClientProfileHarness": "Harnais / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harnais / CLI"
   },
   "settings": {
     "title": "Paramètres",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Lien partenaire",
     "dismissAriaLabel": "Fermer"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Désactiver la génération des variantes de niveau de réflexion (par ex. -low, -medium, -high) dans le catalogue /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Désactiver la génération des variantes de niveau de réflexion (par ex. -low, -medium, -high) dans le catalogue /v1/models.",
+  "connectionTest": {
+    "title": "Message de test",
+    "description": "Envoyez une requête réelle via ce compte. Cela utilise une petite partie du quota et peut démarrer une période d’utilisation, selon le fournisseur.",
+    "loading": "Chargement des modèles du compte…",
+    "model": "Modèle de test pour ce compte",
+    "chooseModel": "Choisir un modèle",
+    "unavailable": "absent du catalogue actuel",
+    "noModels": "Aucun modèle de chat disponible. Synchronisez d’abord les modèles pour ce compte.",
+    "message": "Message",
+    "settingsLink": "Modifier le message dans les paramètres de l’IA",
+    "activateFirst": "Activez ce compte avant d’envoyer un message.",
+    "saveModel": "Enregistrer le modèle",
+    "send": "Envoyer le message de test",
+    "saved": "Enregistré",
+    "answer": "Réponse du modèle",
+    "failed": "La requête a échoué. Veuillez réessayer.",
+    "settingsTitle": "Messages de test manuels du compte",
+    "settingsDescription": "Ce message est utilisé par les boutons de test sous Connexions et Quota du fournisseur. Choisissez le modèle séparément pour chaque compte. L’enregistrement n’envoie aucun message et n’active pas les requêtes automatiques.",
+    "saveMessage": "Enregistrer le message",
+    "defaultModel": "Modèle de test par défaut",
+    "defaultModelHint": "Utilisé automatiquement par les boutons « Tester le message » pour ce compte. Enregistré avec la connexion ; aucun message n’est envoyé."
+  }
 }
diff --git a/src/i18n/messages/ga.json b/src/i18n/messages/ga.json
index b3a63c780190..c43fc5aa800f 100644
--- a/src/i18n/messages/ga.json
+++ b/src/i18n/messages/ga.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Athchóirigh na réamhshocruithe ón bhfoinse",
     "resetToUpstreamDefaultsSuccess": "Athchóiríodh réamhshocruithe an mhúnla ón bhfoinse",
     "resetToUpstreamDefaultsFailed": "Theip ar réamhshocruithe an mhúnla ón bhfoinse a athchóiriú",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Athnuaigh liosta na samhlacha go huathoibríoch gach 6 uair an chloig de réir réamhshocraithe (is féidir é a chumrú trí MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sioncronú uathoibríoch cumasaithe — athnuafaidh múnlaí go tréimhsiúil",
     "autoSyncDisabled": "Sioncronú uathoibríoch díchumasaithe",
     "autoSyncToggleFailed": "Theip ar shioncronú uathoibríoch a scoránú",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Sa tréimhse fuaraithe",
     "codexPoolUsed": "in úsáid",
     "codexPoolUntil": "Go dtí {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Cúltaca gan ainm",
     "anonymousFallbackDesc": "Nuair a bhíonn na naisc chumraithe go léir ídithe (cuóta, creidmheasanna nó dul in éag), bain úsáid go sealadach as leibhéal gan eochair an tsoláthraí seo. Múch é chun an soláthraí seo a scipeáil in ionad iarratais gan ainm a sheoladh — moltar é sin nuair a dhiúltaíonn an leibhéal gan eochair dóibh (401).",
     "anonymousFallbackEnabled": "Cúltaca gan ainm cumasaithe do {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Sábháladh socruithe críochphointe an mhúnla",
     "searchByModelAria": "Cuardaigh de réir mhúnla",
     "selectSupportedEndpoint": "Roghnaigh críochphointe amháin ar a laghad a dtacaítear leis",
-    "antigravityClientProfileHarness": "Úim / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Úim / CLI"
   },
   "settings": {
     "title": "Socruithe",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Nasc comhpháirtíochta",
     "dismissAriaLabel": "Dún"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Díchumasaigh giniúint leaganacha leibhéil smaointeoireachta (m.sh. -low, -medium, -high) i gcatalóg /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Díchumasaigh giniúint leaganacha leibhéil smaointeoireachta (m.sh. -low, -medium, -high) i gcatalóg /v1/models.",
+  "connectionTest": {
+    "title": "Teachtaireacht tástála",
+    "description": "Seol fíoriarratas amháin tríd an gcuntas seo. Úsáideann sé seo méid beag cuóta agus féadfaidh sé tús a chur le tréimhse úsáide, ag brath ar an soláthraí.",
+    "loading": "Samhlacha an chuntais á lódáil…",
+    "model": "Samhail tástála don chuntas seo",
+    "chooseModel": "Roghnaigh samhail",
+    "unavailable": "níl sé sa chatalóg reatha",
+    "noModels": "Níl aon samhlacha comhrá ar fáil. Sioncronaigh na samhlacha don chuntas seo ar dtús.",
+    "message": "Teachtaireacht",
+    "settingsLink": "Athraigh an teachtaireacht i Socruithe AI",
+    "activateFirst": "Gníomhachtaigh an cuntas seo sula seolann tú teachtaireacht.",
+    "saveModel": "Sábháil an tsamhail",
+    "send": "Seol teachtaireacht tástála",
+    "saved": "Sábháilte",
+    "answer": "Freagra na samhla",
+    "failed": "Theip ar an iarratas. Bain triail eile as.",
+    "settingsTitle": "Teachtaireachtaí tástála láimhe cuntais",
+    "settingsDescription": "Úsáideann na cnaipí tástála faoi Connections agus Provider Quota an teachtaireacht seo. Roghnaigh an tsamhail ar leithligh do gach cuntas. Ní sheoltar teachtaireacht ná ní chumasaítear pingeacha uathoibríocha trína sábháil.",
+    "saveMessage": "Sábháil an teachtaireacht",
+    "defaultModel": "Samhail tástála réamhshocraithe",
+    "defaultModelHint": "Úsáidtear é seo go huathoibríoch leis na cnaipí Teachtaireacht tástála don chuntas seo. Sábháiltear leis an gceangal é; ní sheoltar aon teachtaireacht."
+  }
 }
diff --git a/src/i18n/messages/gu.json b/src/i18n/messages/gu.json
index eb97ccf38391..c8dd341ab5f0 100644
--- a/src/i18n/messages/gu.json
+++ b/src/i18n/messages/gu.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "અપસ્ટ્રીમ ડિફોલ્ટ્સ પુનઃસ્થાપિત કરો",
     "resetToUpstreamDefaultsSuccess": "ઉપરવાળી મોડલ ડિફોલ્ટ્સ પુનઃસ્થાપિત કરવામાં આવ્યા",
     "resetToUpstreamDefaultsFailed": "અપસ્ટ્રીમ મોડલ ડિફોલ્ટ્સ પુનઃસ્થાપિત કરવામાં નિષ્ફળ થયું",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ડિફૉલ્ટ રૂપે દર 6 કલાકે મોડેલ સૂચિ આપમેળે રિફ્રેશ કરો (MODEL_SYNC_INTERVAL_HOURS દ્વારા રૂપરેખાંકિત કરી શકાય છે)",
     "autoSyncEnabled": "ઑટો-સિંક સક્ષમ છે — મોડેલો સમયાંતરે રિફ્રેશ થશે",
     "autoSyncDisabled": "ઑટો-સિંક અક્ષમ છે",
     "autoSyncToggleFailed": "ઑટો-સિંક ટૉગલ કરવામાં નિષ્ફળતા",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "વિરામ અવધિમાં",
     "codexPoolUsed": "વપરાયેલ",
     "codexPoolUntil": "{value} સુધી",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ગૂઢ ફોલબેક",
     "anonymousFallbackDesc": "જ્યારે તમામ કન્ફિગર કરેલ કનેક્શનનો ઉપયોગ થઈ જાય છે (ક્વોટા, ક્રેડિટ, અથવા સમાપ્તી), ત્યારે આ પ્રદાતા ની કીલેસ ટિયરનો તાત્કાલિક ઉપયોગ કરો. અનામિક વિનંતીઓ મોકલવા માટે આ પ્રદાતાને છોડી દેવા માટે બંધ કરો - જ્યારે કીલેસ ટિયર તેમને નકારી દે ત્યારે ભલામણ કરવામાં આવે છે (401).",
     "anonymousFallbackEnabled": "{provider} માટે અજ્ઞાત ફોલબેક સક્રિય છે",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "સાચવેલ મોડેલ અંતિમ બિંદુની સેટિંગ્સ",
     "searchByModelAria": "મોડલ દ્વારા શોધો",
     "selectSupportedEndpoint": "કમથી કમ એક સમર્થિત અંતિમ બિંદુ પસંદ કરો",
-    "antigravityClientProfileHarness": "હાર્નેસ / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "હાર્નેસ / CLI"
   },
   "settings": {
     "title": "સેટિંગ્સ",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "ભાગીદાર લિંક",
     "dismissAriaLabel": "બંધ કરો"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models કેટલોગમાં વિચાર-સ્તરના વેરિઅન્ટ્સ (દા.ત. -low, -medium, -high) બનાવવાનું નિષ્ક્રિય કરો."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models કેટલોગમાં વિચાર-સ્તરના વેરિઅન્ટ્સ (દા.ત. -low, -medium, -high) બનાવવાનું નિષ્ક્રિય કરો.",
+  "connectionTest": {
+    "title": "પરીક્ષણ સંદેશ",
+    "description": "આ એકાઉન્ટ દ્વારા એક વાસ્તવિક વિનંતી મોકલો. આ ક્વોટાની થોડી માત્રા વાપરે છે અને પ્રદાતા પર આધાર રાખીને ઉપયોગ વિન્ડો શરૂ કરી શકે છે.",
+    "loading": "એકાઉન્ટના મોડેલો લોડ થઈ રહ્યા છે…",
+    "model": "આ એકાઉન્ટ માટેનું પરીક્ષણ મોડેલ",
+    "chooseModel": "મોડેલ પસંદ કરો",
+    "unavailable": "વર્તમાન કેટલોગમાં નથી",
+    "noModels": "કોઈ ચેટ મોડેલ ઉપલબ્ધ નથી. પહેલાં આ એકાઉન્ટ માટેના મોડેલો સિંક કરો.",
+    "message": "સંદેશ",
+    "settingsLink": "AI Settings માં સંદેશ બદલો",
+    "activateFirst": "સંદેશ મોકલતા પહેલાં આ એકાઉન્ટ સક્રિય કરો.",
+    "saveModel": "મોડેલ સાચવો",
+    "send": "પરીક્ષણ સંદેશ મોકલો",
+    "saved": "સાચવ્યું",
+    "answer": "મોડેલનો પ્રતિસાદ",
+    "failed": "વિનંતી નિષ્ફળ ગઈ. કૃપા કરીને ફરી પ્રયાસ કરો.",
+    "settingsTitle": "મેન્યુઅલ એકાઉન્ટ પરીક્ષણ સંદેશાઓ",
+    "settingsDescription": "આ સંદેશ Connections અને Provider Quota હેઠળના પરીક્ષણ બટનો દ્વારા ઉપયોગમાં લેવાય છે. દરેક એકાઉન્ટ માટે મોડેલ અલગથી પસંદ કરો. સાચવવાથી સંદેશ મોકલાતો નથી અથવા આપમેળે પિંગ્સ સક્ષમ થતા નથી.",
+    "saveMessage": "સંદેશ સાચવો",
+    "defaultModel": "ડિફૉલ્ટ પરીક્ષણ મોડેલ",
+    "defaultModelHint": "આ એકાઉન્ટ માટે ટેસ્ટ મેસેજ બટનો દ્વારા આપમેળે ઉપયોગમાં લેવાય છે. કનેક્શન સાથે સેવ થાય છે; કોઈ મેસેજ મોકલવામાં આવતો નથી."
+  }
 }
diff --git a/src/i18n/messages/ha.json b/src/i18n/messages/ha.json
index f565be22cbfc..6c5484ab44c8 100644
--- a/src/i18n/messages/ha.json
+++ b/src/i18n/messages/ha.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Mayar da tsoffin saitunan upstream",
     "resetToUpstreamDefaultsSuccess": "An mayar da tsoffin saitunan samfurin upstream",
     "resetToUpstreamDefaultsFailed": "An kasa mayar da tsoffin saitunan samfurin upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Sabunta jerin samfura ta atomatik kowane awa 6 ta tsohuwa (ana iya saita ta ta MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "An kunna daidaitawa ta atomatik — za a sabunta samfuran lokaci-lokaci",
     "autoSyncDisabled": "An kashe daidaitawa ta atomatik",
     "autoSyncToggleFailed": "An kasa sauya yanayin daidaitawa ta atomatik",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Yana jiran lokacin dawowa",
     "codexPoolUsed": "an yi amfani da shi",
     "codexPoolUntil": "Har zuwa {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Madadin da ba a bayyana suna ba",
     "anonymousFallbackDesc": "Lokacin da duk haɗin da aka saita suka ƙare (kaso, kuɗin asusu, ko wa'adin aiki), a yi amfani da matakin wannan mai samarwa wanda baya buƙatar maɓalli na ɗan lokaci. Kashe wannan don tsallake wannan mai samarwa maimakon aika buƙatu ba tare da bayyana suna ba — ana ba da shawarar hakan idan matakin da baya buƙatar maɓalli yana ƙin su (401).",
     "anonymousFallbackEnabled": "An kunna madadin da ba a bayyana suna ba don {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "An adana saitunan endpoint na samfur",
     "searchByModelAria": "Bincika ta model",
     "selectSupportedEndpoint": "Zaɓi aƙalla endpoint ɗaya da ake goyon baya",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Saituna",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Hanyar haɗin abokin hulɗa",
     "dismissAriaLabel": "Yi watsi"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Kashe samar da nau'ikan matakan tunani (misali -low, -medium, -high) a cikin kundin /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Kashe samar da nau'ikan matakan tunani (misali -low, -medium, -high) a cikin kundin /v1/models.",
+  "connectionTest": {
+    "title": "Saƙon gwaji",
+    "description": "Aika ainihin buƙata guda ɗaya ta wannan asusun. Wannan yana amfani da ɗan kaso na ƙayyadadden adadin amfani kuma yana iya fara lokacin amfani, gwargwadon mai samarwa.",
+    "loading": "Ana loda samfuran asusun…",
+    "model": "Samfurin gwaji na wannan asusun",
+    "chooseModel": "Zaɓi samfuri",
+    "unavailable": "ba ya cikin kundin yanzu",
+    "noModels": "Babu samfuran taɗi da ake da su. Da farko, daidaita samfuran wannan asusun.",
+    "message": "Saƙo",
+    "settingsLink": "Canja saƙon a cikin Saitunan AI",
+    "activateFirst": "Kunna wannan asusun kafin aika saƙo.",
+    "saveModel": "Ajiye samfuri",
+    "send": "Aika saƙon gwaji",
+    "saved": "An ajiye",
+    "answer": "Amsar samfurin",
+    "failed": "Buƙatar ta gaza. Da fatan za a sake gwadawa.",
+    "settingsTitle": "Saƙonnin gwajin asusu na hannu",
+    "settingsDescription": "Ana amfani da wannan saƙon ta maɓallan gwaji da ke ƙarƙashin Connections da Provider Quota. Zaɓi samfurin daban ga kowane asusu. Ajiyewa ba ya aika saƙo ko kunna aika saƙonnin gwaji na atomatik.",
+    "saveMessage": "Ajiye saƙo",
+    "defaultModel": "Samfurin gwaji na tsohuwa",
+    "defaultModelHint": "Ana amfani da shi ta atomatik ta maɓallan saƙon Test na wannan asusun. Ana adana shi tare da haɗin; ba a aika wani saƙo ba."
+  }
 }
diff --git a/src/i18n/messages/he.json b/src/i18n/messages/he.json
index 985232a753a0..5494af300263 100644
--- a/src/i18n/messages/he.json
+++ b/src/i18n/messages/he.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "שחזר את ברירות המחדל של ה-upstream",
     "resetToUpstreamDefaultsSuccess": "שוחזרו ברירות המחדל של המודל העליון",
     "resetToUpstreamDefaultsFailed": "נכשל בשחזור ברירות המחדל של המודל העליון",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "רענון אוטומטי של רשימת המודלים כל 6 שעות כברירת מחדל (ניתן להגדרה באמצעות MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "סנכרון אוטומטי מופעל - הדגמים יתרעננו מעת לעת",
     "autoSyncDisabled": "הסנכרון האוטומטי מושבת",
     "autoSyncToggleFailed": "החלפת הסנכרון האוטומטי נכשלה",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "בתקופת המתנה",
     "codexPoolUsed": "בשימוש",
     "codexPoolUntil": "עד {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "נפילה אנונימית",
     "anonymousFallbackDesc": "כאשר כל החיבורים המוגדרים נוצלו (מכסה, אשראי או תאריך תפוגה), השתמש זמנית בשכבת ללא מפתח של ספק זה. כבה כדי לדלג על ספק זה במקום לשלוח בקשות אנונימיות - מומלץ כאשר שכבת ללא מפתח דוחה אותן (401).",
     "anonymousFallbackEnabled": "גיבוי אנונימי מופעל עבור {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "הגדרות נקודת הקצה של המודל השמור",
     "searchByModelAria": "חפש לפי דגם",
     "selectSupportedEndpoint": "בחר לפחות נקודת קצה אחת נתמכת",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "הגדרות",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "קישור שותפים",
     "dismissAriaLabel": "סגירה"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "השבתת היצירה של וריאציות של רמת החשיבה (למשל -low, -medium, -high) בקטלוג /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "השבתת היצירה של וריאציות של רמת החשיבה (למשל -low, -medium, -high) בקטלוג /v1/models.",
+  "connectionTest": {
+    "title": "הודעת בדיקה",
+    "description": "שליחת בקשה אמיתית אחת דרך חשבון זה. פעולה זו משתמשת בכמות קטנה מהמכסה ועשויה להתחיל חלון שימוש, בהתאם לספק.",
+    "loading": "מודלי החשבון נטענים…",
+    "model": "מודל בדיקה עבור חשבון זה",
+    "chooseModel": "בחירת מודל",
+    "unavailable": "לא נמצא בקטלוג הנוכחי",
+    "noModels": "אין מודלי צ'אט זמינים. יש לסנכרן תחילה את המודלים עבור חשבון זה.",
+    "message": "הודעה",
+    "settingsLink": "שינוי ההודעה בהגדרות ה-AI",
+    "activateFirst": "יש להפעיל חשבון זה לפני שליחת הודעה.",
+    "saveModel": "שמירת מודל",
+    "send": "שליחת הודעת בדיקה",
+    "saved": "נשמר",
+    "answer": "תגובת המודל",
+    "failed": "הבקשה נכשלה. יש לנסות שוב.",
+    "settingsTitle": "הודעות בדיקה ידניות לחשבון",
+    "settingsDescription": "הודעה זו משמשת את לחצני הבדיקה תחת חיבורים ומכסת ספק. יש לבחור את המודל בנפרד עבור כל חשבון. שמירה אינה שולחת הודעה ואינה מפעילה איתותים אוטומטיים.",
+    "saveMessage": "שמירת הודעה",
+    "defaultModel": "מודל בדיקה המוגדר כברירת מחדל",
+    "defaultModelHint": "משמש אוטומטית את כפתורי הודעת הבדיקה עבור חשבון זה. נשמר יחד עם החיבור; לא נשלחת הודעה."
+  }
 }
diff --git a/src/i18n/messages/hi.json b/src/i18n/messages/hi.json
index a83c25382e26..f0111e015784 100644
--- a/src/i18n/messages/hi.json
+++ b/src/i18n/messages/hi.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "उपधारा डिफ़ॉल्ट्स को पुनर्स्थापित करें",
     "resetToUpstreamDefaultsSuccess": "उपधारा मॉडल डिफ़ॉल्ट्स को पुनर्स्थापित किया गया",
     "resetToUpstreamDefaultsFailed": "उपधारा मॉडल डिफ़ॉल्ट्स को पुनर्स्थापित करने में विफल",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "डिफ़ॉल्ट रूप से हर 6 घंटे में मॉडल सूची अपने-आप रीफ़्रेश करें (MODEL_SYNC_INTERVAL_HOURS के ज़रिए कॉन्फ़िगर किया जा सकता है)",
     "autoSyncEnabled": "स्वतः-सिंक सक्षम है — मॉडल समय-समय पर रीफ़्रेश होंगे",
     "autoSyncDisabled": "स्वतः-सिंक अक्षम है",
     "autoSyncToggleFailed": "स्वतः-सिंक टॉगल करने में विफल",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "कूलडाउन जारी",
     "codexPoolUsed": "उपयोग किया गया",
     "codexPoolUntil": "{value} तक",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "गुमनाम बैकअप",
     "anonymousFallbackDesc": "जब सभी कॉन्फ़िगर की गई कनेक्शन समाप्त हो जाते हैं (कोटा, क्रेडिट, या समाप्ति), तो अस्थायी रूप से इस प्रदाता की कीलेस श्रेणी का उपयोग करें। इस प्रदाता को छोड़ने के लिए बंद करें बजाय गुमनाम अनुरोध भेजने के — जब कीलेस श्रेणी उन्हें अस्वीकार करती है (401) तो यह अनुशंसित है।",
     "anonymousFallbackEnabled": "{provider} के लिए गुमनाम फॉलबैक सक्षम किया गया",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "सहेजे गए मॉडल एंडपॉइंट सेटिंग्स",
     "searchByModelAria": "मॉडल द्वारा खोजें",
     "selectSupportedEndpoint": "कम से कम एक समर्थित एंडपॉइंट चुनें",
-    "antigravityClientProfileHarness": "हार्नेस / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "हार्नेस / CLI"
   },
   "settings": {
     "title": "सेटिंग्स",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "पार्टनर लिंक",
     "dismissAriaLabel": "बंद करें"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models कैटलॉग में थिंकिंग लेवल वेरिएंट (जैसे -low, -medium, -high) के निर्माण को अक्षम करें।"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models कैटलॉग में थिंकिंग लेवल वेरिएंट (जैसे -low, -medium, -high) के निर्माण को अक्षम करें।",
+  "connectionTest": {
+    "title": "परीक्षण संदेश",
+    "description": "इस खाते के माध्यम से एक वास्तविक अनुरोध भेजें। इसमें कोटा की थोड़ी मात्रा उपयोग होती है और प्रदाता के आधार पर उपयोग अवधि शुरू हो सकती है।",
+    "loading": "खाते के मॉडल लोड हो रहे हैं…",
+    "model": "इस खाते के लिए परीक्षण मॉडल",
+    "chooseModel": "कोई मॉडल चुनें",
+    "unavailable": "वर्तमान कैटलॉग में नहीं है",
+    "noModels": "कोई चैट मॉडल उपलब्ध नहीं है। पहले इस खाते के मॉडल सिंक करें।",
+    "message": "संदेश",
+    "settingsLink": "AI सेटिंग्स में संदेश बदलें",
+    "activateFirst": "संदेश भेजने से पहले इस खाते को सक्रिय करें।",
+    "saveModel": "मॉडल सहेजें",
+    "send": "परीक्षण संदेश भेजें",
+    "saved": "सहेजा गया",
+    "answer": "मॉडल की प्रतिक्रिया",
+    "failed": "अनुरोध विफल रहा। कृपया फिर से प्रयास करें।",
+    "settingsTitle": "मैन्युअल खाता परीक्षण संदेश",
+    "settingsDescription": "इस संदेश का उपयोग Connections और Provider Quota के अंतर्गत परीक्षण बटनों द्वारा किया जाता है। प्रत्येक खाते के लिए मॉडल अलग से चुनें। सहेजने से कोई संदेश नहीं भेजा जाता और न ही स्वचालित पिंग सक्षम होती हैं।",
+    "saveMessage": "संदेश सहेजें",
+    "defaultModel": "डिफ़ॉल्ट परीक्षण मॉडल",
+    "defaultModelHint": "इस खाते के लिए संदेश का परीक्षण करें बटनों द्वारा स्वचालित रूप से उपयोग किया जाता है। कनेक्शन के साथ सहेजा जाता है; कोई संदेश नहीं भेजा जाता।"
+  }
 }
diff --git a/src/i18n/messages/hr.json b/src/i18n/messages/hr.json
index d4b42c16da79..bb55ec92a65c 100644
--- a/src/i18n/messages/hr.json
+++ b/src/i18n/messages/hr.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Vrati upstream zadane postavke",
     "resetToUpstreamDefaultsSuccess": "Vraćene su zadane upstream postavke modela",
     "resetToUpstreamDefaultsFailed": "Nije uspjelo vraćanje zadanih upstream postavki modela",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Prema zadanim postavkama automatski osvježavaj popis modela svakih 6 h (podesivo putem MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatska sinkronizacija omogućena — modeli će se povremeno osvježavati",
     "autoSyncDisabled": "Automatska sinkronizacija onemogućena",
     "autoSyncToggleFailed": "Promjena postavke automatske sinkronizacije nije uspjela",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Razdoblje čekanja",
     "codexPoolUsed": "iskorišteno",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonimni rezervni sustav",
     "anonymousFallbackDesc": "Kada se iscrpe sve konfigurirane veze (zbog kvote, kredita ili isteka valjanosti), privremeno upotrijebite razinu ovog pružatelja koja ne zahtijeva ključ. Isključite ovu opciju kako biste preskočili ovog pružatelja umjesto slanja anonimnih zahtjeva — preporučuje se kada ih razina bez ključa odbija (401).",
     "anonymousFallbackEnabled": "Anonimni rezervni sustav omogućen za {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Spremljene postavke krajnje točke modela",
     "searchByModelAria": "Pretraži po modelu",
     "selectSupportedEndpoint": "Odaberite barem jednu podržanu krajnju točku",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Postavke",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerska poveznica",
     "dismissAriaLabel": "Odbaci"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogući generiranje varijanti razine razmišljanja (npr. -low, -medium, -high) u katalogu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogući generiranje varijanti razine razmišljanja (npr. -low, -medium, -high) u katalogu /v1/models.",
+  "connectionTest": {
+    "title": "Testna poruka",
+    "description": "Pošaljite jedan stvarni zahtjev putem ovog računa. Time se troši mala količina kvote i, ovisno o pružatelju usluge, može se pokrenuti razdoblje upotrebe.",
+    "loading": "Učitavanje modela računa…",
+    "model": "Testni model za ovaj račun",
+    "chooseModel": "Odaberite model",
+    "unavailable": "nije u trenutačnom katalogu",
+    "noModels": "Nema dostupnih modela za razgovor. Najprije sinkronizirajte modele za ovaj račun.",
+    "message": "Poruka",
+    "settingsLink": "Promijenite poruku u postavkama umjetne inteligencije",
+    "activateFirst": "Aktivirajte ovaj račun prije slanja poruke.",
+    "saveModel": "Spremi model",
+    "send": "Pošalji testnu poruku",
+    "saved": "Spremljeno",
+    "answer": "Odgovor modela",
+    "failed": "Zahtjev nije uspio. Pokušajte ponovno.",
+    "settingsTitle": "Ručne testne poruke računa",
+    "settingsDescription": "Ovu poruku upotrebljavaju gumbi za testiranje u odjeljcima Veze i Kvota pružatelja usluge. Odaberite model zasebno za svaki račun. Spremanjem se ne šalje poruka niti omogućuju automatski pingovi.",
+    "saveMessage": "Spremi poruku",
+    "defaultModel": "Zadani testni model",
+    "defaultModelHint": "Automatski se upotrebljava putem gumba Testna poruka za ovaj račun. Sprema se s vezom; poruka se ne šalje."
+  }
 }
diff --git a/src/i18n/messages/hu.json b/src/i18n/messages/hu.json
index 7aff07c6064b..8584144e9233 100644
--- a/src/i18n/messages/hu.json
+++ b/src/i18n/messages/hu.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Állítsa vissza az alapértelmezett beállításokat",
     "resetToUpstreamDefaultsSuccess": "Visszaállítottuk az upstream modell alapértelmezett beállításait",
     "resetToUpstreamDefaultsFailed": "Nem sikerült visszaállítani a fenti modell alapértelmezett beállításait",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "A modelllista alapértelmezés szerint 6 óránként automatikusan frissül (a MODEL_SYNC_INTERVAL_HOURS segítségével konfigurálható)",
     "autoSyncEnabled": "Automatikus szinkronizálás engedélyezve – a modellek rendszeresen frissülnek",
     "autoSyncDisabled": "Az automatikus szinkronizálás letiltva",
     "autoSyncToggleFailed": "Az automatikus szinkronizálás átkapcsolása sikertelen",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Várakozási időszakban",
     "codexPoolUsed": "felhasználva",
     "codexPoolUntil": "Eddig: {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Névtelen visszaesés",
     "anonymousFallbackDesc": "Amikor az összes konfigurált kapcsolat kimerült (kvóta, kreditek vagy lejárat), ideiglenesen használja ezt a szolgáltató kulcs nélküli szintjét. Kapcsolja ki, hogy kihagyja ezt a szolgáltatót a névtelen kérések küldése helyett — ajánlott, ha a kulcs nélküli szint elutasítja őket (401).",
     "anonymousFallbackEnabled": "Névtelen visszaesés engedélyezve a(z) {provider} számára",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Mentett modell végpont beállításai",
     "searchByModelAria": "Keresés modell szerint",
     "selectSupportedEndpoint": "Válasszon ki legalább egy támogatott végpontot",
-    "antigravityClientProfileHarness": "Tesztkeretrendszer / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Tesztkeretrendszer / CLI"
   },
   "settings": {
     "title": "Beállítások elemre",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlink",
     "dismissAriaLabel": "Bezárás"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Letiltja a gondolkodási szint szerinti változatok (pl. -low, -medium, -high) létrehozását a /v1/models katalógusban."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Letiltja a gondolkodási szint szerinti változatok (pl. -low, -medium, -high) létrehozását a /v1/models katalógusban.",
+  "connectionTest": {
+    "title": "Tesztüzenet",
+    "description": "Egy valódi kérés küldése ezen a fiókon keresztül. Ez kis mennyiségű kvótát használ, és a szolgáltatótól függően használati időszakot indíthat el.",
+    "loading": "Fiókmodelljeinek betöltése…",
+    "model": "Tesztmodell ehhez a fiókhoz",
+    "chooseModel": "Válasszon modellt",
+    "unavailable": "nem szerepel a jelenlegi katalógusban",
+    "noModels": "Nem érhetők el csevegési modellek. Először szinkronizálja a fiók modelljeit.",
+    "message": "Üzenet",
+    "settingsLink": "Módosítsa az üzenetet az AI-beállításokban",
+    "activateFirst": "Üzenet küldése előtt aktiválja ezt a fiókot.",
+    "saveModel": "Modell mentése",
+    "send": "Tesztüzenet küldése",
+    "saved": "Mentve",
+    "answer": "Modell válasza",
+    "failed": "A kérés sikertelen. Kérjük, próbálja újra.",
+    "settingsTitle": "Manuális fióktesztelő üzenetek",
+    "settingsDescription": "Ezt az üzenetet használják a Kapcsolatok és a Szolgáltatói kvóta alatti tesztgombok. Minden fiókhoz külön válassza ki a modellt. A mentés nem küld üzenetet, és nem engedélyezi az automatikus pingelést.",
+    "saveMessage": "Üzenet mentése",
+    "defaultModel": "Alapértelmezett tesztmodell",
+    "defaultModelHint": "A rendszer automatikusan ezt használja a fiók Üzenet tesztelése gombjainál. A kapcsolattal együtt kerül mentésre; a rendszer nem küld üzenetet."
+  }
 }
diff --git a/src/i18n/messages/hy.json b/src/i18n/messages/hy.json
index 7086f0b93b8f..466519536ba1 100644
--- a/src/i18n/messages/hy.json
+++ b/src/i18n/messages/hy.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Վերականգնել վերին աղբյուրի լռելյայն կարգավորումները",
     "resetToUpstreamDefaultsSuccess": "Վերին աղբյուրի մոդելի լռելյայն կարգավորումները վերականգնվել են",
     "resetToUpstreamDefaultsFailed": "Չհաջողվեց վերականգնել վերին աղբյուրի մոդելի լռելյայն կարգավորումները",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Լռելյայն՝ ավտոմատ թարմացնել մոդելների ցանկը յուրաքանչյուր 6 ժամը մեկ (կարգավորվում է MODEL_SYNC_INTERVAL_HOURS-ի միջոցով)",
     "autoSyncEnabled": "Ավտոմատ համաժամացումը միացված է. մոդելները պարբերաբար կթարմացվեն",
     "autoSyncDisabled": "Ավտոմատ համաժամացումն անջատված է",
     "autoSyncToggleFailed": "Չհաջողվեց փոխել ավտոմատ համաժամացման կարգավորումը",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Սպասման փուլում է",
     "codexPoolUsed": "օգտագործված է",
     "codexPoolUntil": "Մինչև {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Անանուն պահուստային տարբերակ",
     "anonymousFallbackDesc": "Երբ կազմաձևված բոլոր կապերի ռեսուրսները սպառվեն (քվոտա, կրեդիտներ կամ վավերականության ժամկետ), ժամանակավորապես օգտագործեք այս մատակարարի՝ բանալի չպահանջող մակարդակը։ Անջատեք՝ անանուն հարցումներ ուղարկելու փոխարեն այս մատակարարն անտեսելու համար։ Սա խորհուրդ է տրվում, երբ բանալի չպահանջող մակարդակը մերժում է դրանք (401)։",
     "anonymousFallbackEnabled": "Անանուն պահուստային տարբերակը միացված է {provider}-ի համար",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Մոդելի վերջնակետի կարգավորումները պահպանվել են",
     "searchByModelAria": "Որոնել ըստ մոդելի",
     "selectSupportedEndpoint": "Ընտրեք առնվազն մեկ աջակցվող վերջնակետ",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Կարգավորումներ",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Գործընկերային հղում",
     "dismissAriaLabel": "Փակել"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Անջատել մտածողության մակարդակի տարբերակների (օր.՝ -low, -medium, -high) ստեղծումը /v1/models կատալոգում։"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Անջատել մտածողության մակարդակի տարբերակների (օր.՝ -low, -medium, -high) ստեղծումը /v1/models կատալոգում։",
+  "connectionTest": {
+    "title": "Փորձնական հաղորդագրություն",
+    "description": "Ուղարկել մեկ իրական հարցում այս հաշվի միջոցով։ Սա օգտագործում է քվոտայի փոքր մասը և, կախված մատակարարից, կարող է սկսել օգտագործման ժամանակահատվածը։",
+    "loading": "Հաշվի մոդելները բեռնվում են…",
+    "model": "Այս հաշվի փորձնական մոդելը",
+    "chooseModel": "Ընտրեք մոդել",
+    "unavailable": "ընթացիկ կատալոգում չէ",
+    "noModels": "Զրույցի հասանելի մոդելներ չկան։ Նախ համաժամացրեք այս հաշվի մոդելները։",
+    "message": "Հաղորդագրություն",
+    "settingsLink": "Փոխեք հաղորդագրությունը AI-ի կարգավորումներում",
+    "activateFirst": "Ակտիվացրեք այս հաշիվը՝ նախքան հաղորդագրություն ուղարկելը։",
+    "saveModel": "Պահպանել մոդելը",
+    "send": "Ուղարկել փորձնական հաղորդագրություն",
+    "saved": "Պահպանված է",
+    "answer": "Մոդելի պատասխանը",
+    "failed": "Հարցումը ձախողվեց։ Խնդրում ենք կրկին փորձել։",
+    "settingsTitle": "Հաշվի ձեռքով փորձնական հաղորդագրություններ",
+    "settingsDescription": "Այս հաղորդագրությունն օգտագործվում է Connections և Provider Quota բաժինների փորձարկման կոճակների կողմից։ Յուրաքանչյուր հաշվի համար մոդելն ընտրեք առանձին։ Պահպանումը հաղորդագրություն չի ուղարկում և չի միացնում ավտոմատ ping-երը։",
+    "saveMessage": "Պահպանել հաղորդագրությունը",
+    "defaultModel": "Լռելյայն փորձնական մոդել",
+    "defaultModelHint": "Ավտոմատ օգտագործվում է այս հաշվի «Փորձնական հաղորդագրություն» կոճակների կողմից։ Պահպանվում է կապի հետ միասին․ որևէ հաղորդագրություն չի ուղարկվում։"
+  }
 }
diff --git a/src/i18n/messages/id.json b/src/i18n/messages/id.json
index bc3f7a4e869b..985ba52fa23e 100644
--- a/src/i18n/messages/id.json
+++ b/src/i18n/messages/id.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Pulihkan pengaturan default upstream",
     "resetToUpstreamDefaultsSuccess": "Mengembalikan pengaturan default model upstream",
     "resetToUpstreamDefaultsFailed": "Gagal mengembalikan pengaturan model upstream ke default",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Secara default, segarkan daftar model secara otomatis setiap 6 jam (dapat dikonfigurasi melalui MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sinkronisasi otomatis diaktifkan — model akan disegarkan secara berkala",
     "autoSyncDisabled": "Sinkronisasi otomatis dinonaktifkan",
     "autoSyncToggleFailed": "Gagal mengaktifkan sinkronisasi otomatis",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Dalam masa tunggu",
     "codexPoolUsed": "terpakai",
     "codexPoolUntil": "Hingga {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anonim",
     "anonymousFallbackDesc": "Ketika semua koneksi yang dikonfigurasi habis (kuota, kredit, atau masa berlaku), gunakan sementara tingkat tanpa kunci penyedia ini. Matikan untuk melewati penyedia ini alih-alih mengirim permintaan anonim — disarankan ketika tingkat tanpa kunci menolak permintaan tersebut (401).",
     "anonymousFallbackEnabled": "Fallback anonim diaktifkan untuk {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Pengaturan endpoint model yang disimpan",
     "searchByModelAria": "Cari berdasarkan model",
     "selectSupportedEndpoint": "Pilih setidaknya satu endpoint yang didukung",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Pengaturan",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Tautan mitra",
     "dismissAriaLabel": "Tutup"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Nonaktifkan pembuatan varian tingkat pemikiran (misalnya -low, -medium, -high) dalam katalog /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Nonaktifkan pembuatan varian tingkat pemikiran (misalnya -low, -medium, -high) dalam katalog /v1/models.",
+  "connectionTest": {
+    "title": "Pesan uji",
+    "description": "Kirim satu permintaan nyata melalui akun ini. Tindakan ini menggunakan sedikit kuota dan dapat memulai periode penggunaan, tergantung pada penyedia.",
+    "loading": "Memuat model akun…",
+    "model": "Model uji untuk akun ini",
+    "chooseModel": "Pilih model",
+    "unavailable": "tidak ada dalam katalog saat ini",
+    "noModels": "Tidak ada model percakapan yang tersedia. Sinkronkan model untuk akun ini terlebih dahulu.",
+    "message": "Pesan",
+    "settingsLink": "Ubah pesan di Pengaturan AI",
+    "activateFirst": "Aktifkan akun ini sebelum mengirim pesan.",
+    "saveModel": "Simpan model",
+    "send": "Kirim pesan uji",
+    "saved": "Tersimpan",
+    "answer": "Respons model",
+    "failed": "Permintaan gagal. Silakan coba lagi.",
+    "settingsTitle": "Pesan pengujian akun manual",
+    "settingsDescription": "Pesan ini digunakan oleh tombol pengujian di bagian Koneksi dan Kuota Penyedia. Pilih model secara terpisah untuk setiap akun. Menyimpan tidak akan mengirim pesan atau mengaktifkan ping otomatis.",
+    "saveMessage": "Simpan pesan",
+    "defaultModel": "Model uji default",
+    "defaultModelHint": "Digunakan secara otomatis oleh tombol Uji pesan untuk akun ini. Disimpan bersama koneksi; tidak ada pesan yang dikirim."
+  }
 }
diff --git a/src/i18n/messages/ig.json b/src/i18n/messages/ig.json
index 84e759672142..c1b9ab779bfe 100644
--- a/src/i18n/messages/ig.json
+++ b/src/i18n/messages/ig.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Weghachite ntọala ndabara upstream",
     "resetToUpstreamDefaultsSuccess": "E weghachiri ntọala ndabara ụdị upstream",
     "resetToUpstreamDefaultsFailed": "Iweghachite ntọala ndabara ụdị upstream kụrụ afọ n'ala",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Na ndabara, na-emelite ndepụta ụdịdị na-akpaghị aka kwa awa 6 (enwere ike ịhazi ya site na MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Agbanyere mmekọrịta akpaaka — a ga-eme ka ụdị dị ọhụrụ site n'oge ruo n'oge",
     "autoSyncDisabled": "Agbanyụrụ mmekọrịta akpaaka",
     "autoSyncToggleFailed": "Ịgbanye ma ọ bụ ịgbanyụ mmekọrịta akpaaka kụrụ afọ n'ala",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Na-eche ka oge nkwụsị gafee",
     "codexPoolUsed": "e jirila",
     "codexPoolUntil": "Ruo {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Nhọrọ ndabere amaghị aha",
     "anonymousFallbackDesc": "Mgbe njikọ niile ahaziri agwụla (oke ojiji, kredit, ma ọ bụ oge ngwụcha), jiri ọkwa onye na-eweta a na-achọghị igodo nwa oge. Gbanyụọ ya ka a wụfee onye na-eweta a kama izipu arịrịọ amaghị aha — a na-atụ aro nke a mgbe ọkwa na-achọghị igodo jụrụ ha (401).",
     "anonymousFallbackEnabled": "Agbanyere nhọrọ ndabere amaghị aha maka {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Echekwara ntọala ebe njedebe model",
     "searchByModelAria": "Jiri model chọọ",
     "selectSupportedEndpoint": "Họrọ opekata mpe otu ebe njedebe akwadoro",
-    "antigravityClientProfileHarness": "Ngwa Nnwale / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Ngwa Nnwale / CLI"
   },
   "settings": {
     "title": "Ntọala",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Njikọ onye mmekọ",
     "dismissAriaLabel": "Mechie"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Gbanyụọ imepụta ụdị ọkwa echiche dị iche iche (dịka -low, -medium, -high) na katalọgụ /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Gbanyụọ imepụta ụdị ọkwa echiche dị iche iche (dịka -low, -medium, -high) na katalọgụ /v1/models.",
+  "connectionTest": {
+    "title": "Ozi nnwale",
+    "description": "Zipụ otu arịrịọ n'ezie site na akaụntụ a. Nke a na-eji obere oke e nyere ma nwee ike ịmalite oge ojiji, dabere na onye na-eweta ọrụ.",
+    "loading": "Na-ebudata ụdịdị akaụntụ…",
+    "model": "Nwalee ụdịdị maka akaụntụ a",
+    "chooseModel": "Họrọ ụdịdị",
+    "unavailable": "adịghị na katalọgụ dị ugbu a",
+    "noModels": "Enweghị ụdịdị nkata dị. Buru ụzọ mekọrịta ụdịdị maka akaụntụ a.",
+    "message": "Ozi",
+    "settingsLink": "Gbanwee ozi ahụ na Ntọala AI",
+    "activateFirst": "Mee ka akaụntụ a rụọ ọrụ tupu izipu ozi.",
+    "saveModel": "Chekwaa ụdịdị",
+    "send": "Zipụ ozi nnwale",
+    "saved": "Echekwara",
+    "answer": "Nzaghachi ụdịdị",
+    "failed": "Arịrịọ ahụ dara. Biko nwaa ọzọ.",
+    "settingsTitle": "Ozi nnwale akaụntụ ejiri aka eziga",
+    "settingsDescription": "Bọtịnụ nnwale ndị dị n'okpuru Connections na Provider Quota na-eji ozi a. Họrọ ụdịdị iche maka akaụntụ ọ bụla. Ichekwa anaghị eziga ozi ma ọ bụ mee ka ping akpaka rụọ ọrụ.",
+    "saveMessage": "Chekwaa ozi",
+    "defaultModel": "Ụdịdị nnwale ndabara",
+    "defaultModelHint": "Bọtịnụ ozi Nnwale na-eji nke a na-akpaghị aka maka akaụntụ a. A na-echekwa ya na njikọ ahụ; ọ dịghị ozi a na-eziga."
+  }
 }
diff --git a/src/i18n/messages/it.json b/src/i18n/messages/it.json
index e61d0beff302..589906aa36e3 100644
--- a/src/i18n/messages/it.json
+++ b/src/i18n/messages/it.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Ripristina le impostazioni predefinite upstream",
     "resetToUpstreamDefaultsSuccess": "Ripristinati i valori predefiniti del modello upstream",
     "resetToUpstreamDefaultsFailed": "Impossibile ripristinare le impostazioni predefinite del modello upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Aggiorna automaticamente l'elenco dei modelli ogni 6 ore per impostazione predefinita (configurabile tramite MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sincronizzazione automatica abilitata — i modelli verranno aggiornati periodicamente",
     "autoSyncDisabled": "Sincronizzazione automatica disabilitata",
     "autoSyncToggleFailed": "Impossibile attivare la sincronizzazione automatica",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "In attesa",
     "codexPoolUsed": "utilizzato",
     "codexPoolUntil": "Fino a {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anonimo",
     "anonymousFallbackDesc": "Quando tutte le connessioni configurate sono esaurite (quota, crediti o scadenza), utilizza temporaneamente il livello senza chiave di questo fornitore. Disattiva per saltare questo fornitore invece di inviare richieste anonime — consigliato quando il livello senza chiave le rifiuta (401).",
     "anonymousFallbackEnabled": "Fallback anonimo abilitato per {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Impostazioni dell'endpoint del modello salvato",
     "searchByModelAria": "Cerca per modello",
     "selectSupportedEndpoint": "Seleziona almeno un endpoint supportato",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Impostazioni",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link del partner",
     "dismissAriaLabel": "Ignora"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Disabilita la generazione delle varianti del livello di ragionamento (ad es. -low, -medium, -high) nel catalogo /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Disabilita la generazione delle varianti del livello di ragionamento (ad es. -low, -medium, -high) nel catalogo /v1/models.",
+  "connectionTest": {
+    "title": "Messaggio di prova",
+    "description": "Invia una richiesta reale tramite questo account. Ciò utilizza una piccola quantità di quota e può avviare una finestra di utilizzo, a seconda del provider.",
+    "loading": "Caricamento dei modelli dell'account…",
+    "model": "Modello di prova per questo account",
+    "chooseModel": "Scegli un modello",
+    "unavailable": "non presente nel catalogo attuale",
+    "noModels": "Nessun modello di chat disponibile. Sincronizza prima i modelli per questo account.",
+    "message": "Messaggio",
+    "settingsLink": "Modifica il messaggio nelle Impostazioni AI",
+    "activateFirst": "Attiva questo account prima di inviare un messaggio.",
+    "saveModel": "Salva modello",
+    "send": "Invia messaggio di prova",
+    "saved": "Salvato",
+    "answer": "Risposta del modello",
+    "failed": "La richiesta non è riuscita. Riprova.",
+    "settingsTitle": "Messaggi manuali di prova dell'account",
+    "settingsDescription": "Questo messaggio viene utilizzato dai pulsanti di prova in Connessioni e Quota del provider. Scegli il modello separatamente per ciascun account. Il salvataggio non invia un messaggio né abilita ping automatici.",
+    "saveMessage": "Salva messaggio",
+    "defaultModel": "Modello di prova predefinito",
+    "defaultModelHint": "Utilizzato automaticamente dai pulsanti Messaggio di prova per questo account. Salvato con la connessione; non viene inviato alcun messaggio."
+  }
 }
diff --git a/src/i18n/messages/ja.json b/src/i18n/messages/ja.json
index fea83f1f2569..54f96d10f3ed 100644
--- a/src/i18n/messages/ja.json
+++ b/src/i18n/messages/ja.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "アップストリームのデフォルトを復元する",
     "resetToUpstreamDefaultsSuccess": "アップストリームモデルのデフォルトを復元しました",
     "resetToUpstreamDefaultsFailed": "アップストリームモデルのデフォルトを復元できませんでした",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "デフォルトでは6時間ごとにモデルリストを自動更新します（MODEL_SYNC_INTERVAL_HOURS で設定可能）",
     "autoSyncEnabled": "自動同期有効 — モデルは定期的に更新されます",
     "autoSyncDisabled": "自動同期無効",
     "autoSyncToggleFailed": "自動同期の切り替えに失敗",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "クールダウン中",
     "codexPoolUsed": "使用済み",
     "codexPoolUntil": "{value} まで",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "匿名フォールバック",
     "anonymousFallbackDesc": "すべての設定された接続が使い果たされた場合（クォータ、クレジット、または有効期限）、このプロバイダーのキーなしティアを一時的に使用します。このプロバイダーをスキップするにはオフにしてください。匿名リクエストを送信する代わりに、キーなしティアがそれらを拒否する場合（401）に推奨されます。",
     "anonymousFallbackEnabled": "{provider}の匿名フォールバックが有効になりました",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "保存されたモデルエンドポイント設定",
     "searchByModelAria": "モデルで検索",
     "selectSupportedEndpoint": "サポートされているエンドポイントを少なくとも1つ選択してください",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "設定",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "パートナーリンク",
     "dismissAriaLabel": "閉じる"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/modelsカタログで思考レベルのバリアント（例：-low、-medium、-high）を生成しないようにします。"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/modelsカタログで思考レベルのバリアント（例：-low、-medium、-high）を生成しないようにします。",
+  "connectionTest": {
+    "title": "テストメッセージ",
+    "description": "このアカウントを使用して実際のリクエストを1件送信します。少量のクォータを消費し、プロバイダーによっては使用期間が開始される場合があります。",
+    "loading": "アカウントのモデルを読み込んでいます…",
+    "model": "このアカウントのテストモデル",
+    "chooseModel": "モデルを選択",
+    "unavailable": "現在のカタログにありません",
+    "noModels": "利用可能なチャットモデルがありません。まず、このアカウントのモデルを同期してください。",
+    "message": "メッセージ",
+    "settingsLink": "AI設定でメッセージを変更",
+    "activateFirst": "メッセージを送信する前に、このアカウントを有効化してください。",
+    "saveModel": "モデルを保存",
+    "send": "テストメッセージを送信",
+    "saved": "保存済み",
+    "answer": "モデルの応答",
+    "failed": "リクエストに失敗しました。もう一度お試しください。",
+    "settingsTitle": "アカウントの手動テストメッセージ",
+    "settingsDescription": "このメッセージは、接続およびプロバイダーのクォータにあるテストボタンで使用されます。各アカウントのモデルは個別に選択してください。保存してもメッセージは送信されず、自動pingも有効になりません。",
+    "saveMessage": "メッセージを保存",
+    "defaultModel": "デフォルトのテストモデル",
+    "defaultModelHint": "このアカウントの［テストメッセージ］ボタンで自動的に使用されます。接続設定とともに保存されますが、メッセージは送信されません。"
+  }
 }
diff --git a/src/i18n/messages/ka.json b/src/i18n/messages/ka.json
index 86f34c1b92d2..df58783def05 100644
--- a/src/i18n/messages/ka.json
+++ b/src/i18n/messages/ka.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "ზედა წყაროს ნაგულისხმევი პარამეტრების აღდგენა",
     "resetToUpstreamDefaultsSuccess": "ზედა წყაროს მოდელის ნაგულისხმევი პარამეტრები აღდგენილია",
     "resetToUpstreamDefaultsFailed": "ზედა წყაროს მოდელის ნაგულისხმევი პარამეტრების აღდგენა ვერ მოხერხდა",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ნაგულისხმევად მოდელების სია ავტომატურად განახლდეს ყოველ 6 საათში (კონფიგურირებადია MODEL_SYNC_INTERVAL_HOURS-ის მეშვეობით)",
     "autoSyncEnabled": "ავტომატური სინქრონიზაცია ჩართულია — მოდელები პერიოდულად განახლდება",
     "autoSyncDisabled": "ავტომატური სინქრონიზაცია გამორთულია",
     "autoSyncToggleFailed": "ავტომატური სინქრონიზაციის გადართვა ვერ მოხერხდა",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "გაგრილების რეჟიმშია",
     "codexPoolUsed": "გამოყენებულია",
     "codexPoolUntil": "{value}-მდე",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ანონიმური სარეზერვო რეჟიმი",
     "anonymousFallbackDesc": "როდესაც ყველა კონფიგურირებული კავშირი ამოწურულია (კვოტის, კრედიტების ან ვადის გასვლის გამო), დროებით გამოიყენეთ ამ პროვაიდერის გასაღების გარეშე ხელმისაწვდომი დონე. გამორთეთ, რათა ანონიმური მოთხოვნების გაგზავნის ნაცვლად ეს პროვაიდერი გამოტოვოთ — რეკომენდებულია, როდესაც გასაღების გარეშე ხელმისაწვდომი დონე მათ უარყოფს (401).",
     "anonymousFallbackEnabled": "{provider}-ისთვის ანონიმური სარეზერვო რეჟიმი ჩართულია",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "მოდელის საბოლოო წერტილის პარამეტრები შენახულია",
     "searchByModelAria": "მოდელის მიხედვით ძიება",
     "selectSupportedEndpoint": "აირჩიეთ სულ მცირე ერთი მხარდაჭერილი საბოლოო წერტილი",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "პარამეტრები",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "პარტნიორის ბმული",
     "dismissAriaLabel": "დახურვა"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "გამორთეთ აზროვნების დონის ვარიანტების (მაგ. -low, -medium, -high) გენერირება /v1/models კატალოგში."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "გამორთეთ აზროვნების დონის ვარიანტების (მაგ. -low, -medium, -high) გენერირება /v1/models კატალოგში.",
+  "connectionTest": {
+    "title": "სატესტო შეტყობინება",
+    "description": "გააგზავნეთ ერთი რეალური მოთხოვნა ამ ანგარიშის მეშვეობით. ეს კვოტის მცირე ნაწილს იყენებს და, პროვაიდერის მიხედვით, შესაძლოა გამოყენების პერიოდი დაიწყოს.",
+    "loading": "ანგარიშის მოდელები იტვირთება…",
+    "model": "ამ ანგარიშის სატესტო მოდელი",
+    "chooseModel": "აირჩიეთ მოდელი",
+    "unavailable": "არ არის მიმდინარე კატალოგში",
+    "noModels": "ჩატის მოდელები მიუწვდომელია. ჯერ დაასინქრონეთ ამ ანგარიშის მოდელები.",
+    "message": "შეტყობინება",
+    "settingsLink": "შეცვალეთ შეტყობინება AI Settings-ში",
+    "activateFirst": "შეტყობინების გაგზავნამდე გაააქტიურეთ ეს ანგარიში.",
+    "saveModel": "მოდელის შენახვა",
+    "send": "სატესტო შეტყობინების გაგზავნა",
+    "saved": "შენახულია",
+    "answer": "მოდელის პასუხი",
+    "failed": "მოთხოვნა ვერ შესრულდა. გთხოვთ, ხელახლა სცადოთ.",
+    "settingsTitle": "ანგარიშის ხელით სატესტო შეტყობინებები",
+    "settingsDescription": "ეს შეტყობინება გამოიყენება Connections-ისა და Provider Quota-ს ქვეშ არსებულ სატესტო ღილაკებთან. თითოეული ანგარიშისთვის მოდელი ცალ-ცალკე აირჩიეთ. შენახვა შეტყობინებას არ აგზავნის და ავტომატურ პინგებს არ ააქტიურებს.",
+    "saveMessage": "შეტყობინების შენახვა",
+    "defaultModel": "ნაგულისხმევი სატესტო მოდელი",
+    "defaultModelHint": "ავტომატურად გამოიყენება ამ ანგარიშისთვის „სატესტო შეტყობინების“ ღილაკების მიერ. ინახება კავშირთან ერთად; შეტყობინება არ იგზავნება."
+  }
 }
diff --git a/src/i18n/messages/km.json b/src/i18n/messages/km.json
index 4916be473b15..a45fde088f55 100644
--- a/src/i18n/messages/km.json
+++ b/src/i18n/messages/km.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "ស្ដារការកំណត់លំនាំដើមពីប្រភពដើម",
     "resetToUpstreamDefaultsSuccess": "បានស្ដារការកំណត់លំនាំដើមរបស់ម៉ូដែលពីប្រភពដើម",
     "resetToUpstreamDefaultsFailed": "មិនអាចស្ដារការកំណត់លំនាំដើមរបស់ម៉ូដែលពីប្រភពដើមបានទេ",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ធ្វើឱ្យបញ្ជីម៉ូដែលស្រស់ដោយស្វ័យប្រវត្តិរៀងរាល់ 6 ម៉ោងតាមលំនាំដើម (អាចកំណត់បានតាមរយៈ MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "បានបើកការធ្វើសមកាលកម្មដោយស្វ័យប្រវត្តិ — ម៉ូដែលនឹងត្រូវបានធ្វើបច្ចុប្បន្នភាពតាមកាលកំណត់",
     "autoSyncDisabled": "បានបិទការធ្វើសមកាលកម្មដោយស្វ័យប្រវត្តិ",
     "autoSyncToggleFailed": "មិនអាចបិទបើកការធ្វើសមកាលកម្មដោយស្វ័យប្រវត្តិបានទេ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "កំពុងរង់ចាំមុនពេលអាចប្រើឡើងវិញ",
     "codexPoolUsed": "បានប្រើ",
     "codexPoolUntil": "រហូតដល់ {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ជម្រើសបម្រុងអនាមិក",
     "anonymousFallbackDesc": "នៅពេលការតភ្ជាប់ដែលបានកំណត់រចនាសម្ព័ន្ធទាំងអស់ត្រូវបានប្រើអស់ (កូតា ឥណទាន ឬផុតកំណត់) ប្រព័ន្ធនឹងប្រើកម្រិតដែលមិនត្រូវការសោរបស់អ្នកផ្តល់សេវានេះជាបណ្តោះអាសន្ន។ បិទវា ដើម្បីរំលងអ្នកផ្តល់សេវានេះ ជំនួសឱ្យការផ្ញើសំណើអនាមិក — គួរបិទនៅពេលកម្រិតដែលមិនត្រូវការសោបដិសេធសំណើទាំងនោះ (401)។",
     "anonymousFallbackEnabled": "បានបើកជម្រើសបម្រុងអនាមិកសម្រាប់ {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "បានរក្សាទុកការកំណត់ចំណុចចុងរបស់ម៉ូដែល",
     "searchByModelAria": "ស្វែងរកតាមម៉ូដែល",
     "selectSupportedEndpoint": "ជ្រើសរើសចំណុចចុងដែលគាំទ្រយ៉ាងហោចណាស់មួយ",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "ការកំណត់",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "តំណដៃគូ",
     "dismissAriaLabel": "បិទ"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "បិទការបង្កើតវ៉ារ្យ៉ង់កម្រិតនៃការគិត (ឧ. -low, -medium, -high) នៅក្នុងកាតាឡុក /v1/models។"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "បិទការបង្កើតវ៉ារ្យ៉ង់កម្រិតនៃការគិត (ឧ. -low, -medium, -high) នៅក្នុងកាតាឡុក /v1/models។",
+  "connectionTest": {
+    "title": "សារសាកល្បង",
+    "description": "ផ្ញើសំណើពិតប្រាកដមួយតាមរយៈគណនីនេះ។ វាប្រើកូតាចំនួនតិចតួច ហើយអាចចាប់ផ្តើមរយៈពេលប្រើប្រាស់ អាស្រ័យលើអ្នកផ្តល់សេវា។",
+    "loading": "កំពុងផ្ទុកម៉ូដែលរបស់គណនី…",
+    "model": "ម៉ូដែលសាកល្បងសម្រាប់គណនីនេះ",
+    "chooseModel": "ជ្រើសរើសម៉ូដែល",
+    "unavailable": "មិនមាននៅក្នុងកាតាឡុកបច្ចុប្បន្ន",
+    "noModels": "មិនមានម៉ូដែលជជែកដែលអាចប្រើបានទេ។ សូមធ្វើសមកាលកម្មម៉ូដែលសម្រាប់គណនីនេះជាមុនសិន។",
+    "message": "សារ",
+    "settingsLink": "ផ្លាស់ប្តូរសារនៅក្នុងការកំណត់ AI",
+    "activateFirst": "ដំណើរការគណនីនេះមុនពេលផ្ញើសារ។",
+    "saveModel": "រក្សាទុកម៉ូដែល",
+    "send": "ផ្ញើសារសាកល្បង",
+    "saved": "បានរក្សាទុក",
+    "answer": "ការឆ្លើយតបរបស់ម៉ូដែល",
+    "failed": "សំណើបានបរាជ័យ។ សូមព្យាយាមម្តងទៀត។",
+    "settingsTitle": "សារសាកល្បងគណនីដោយដៃ",
+    "settingsDescription": "សារនេះត្រូវបានប្រើដោយប៊ូតុងសាកល្បងនៅក្រោម Connections និង Provider Quota។ ជ្រើសរើសម៉ូដែលដាច់ដោយឡែកសម្រាប់គណនីនីមួយៗ។ ការរក្សាទុកមិនផ្ញើសារ ឬបើកការផ្ញើសញ្ញាពិនិត្យដោយស្វ័យប្រវត្តិទេ។",
+    "saveMessage": "រក្សាទុកសារ",
+    "defaultModel": "ម៉ូដែលសាកល្បងលំនាំដើម",
+    "defaultModelHint": "ត្រូវបានប្រើដោយស្វ័យប្រវត្តិដោយប៊ូតុង «សាកល្បងសារ» សម្រាប់គណនីនេះ។ ត្រូវបានរក្សាទុកជាមួយការតភ្ជាប់; គ្មានសារណាមួយត្រូវបានផ្ញើទេ។"
+  }
 }
diff --git a/src/i18n/messages/kn.json b/src/i18n/messages/kn.json
index cd21059d1ade..12477e9e61f4 100644
--- a/src/i18n/messages/kn.json
+++ b/src/i18n/messages/kn.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "ಅಪ್ಸ್ಟ್ರೀಮ್ ಡೀಫಾಲ್ಟ್ಗಳನ್ನು ಮರುಸ್ಥಾಪಿಸಿ",
     "resetToUpstreamDefaultsSuccess": "ಅಪ್ಸ್ಟ್ರೀಮ್ ಮಾದರಿಯ ಡೀಫಾಲ್ಟ್ಗಳನ್ನು ಮರುಸ್ಥಾಪಿಸಲಾಗಿದೆ",
     "resetToUpstreamDefaultsFailed": "ಅಪ್ಸ್ಟ್ರೀಮ್ ಮಾದರಿಯ ಡೀಫಾಲ್ಟ್ಗಳನ್ನು ಮರುಸ್ಥಾಪಿಸಲು ವಿಫಲವಾಗಿದೆ",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ಪೂರ್ವನಿಯೋಜಿತವಾಗಿ ಪ್ರತಿ 6ಗಂಗೆ ಮಾದರಿ ಪಟ್ಟಿಯನ್ನು ಸ್ವಯಂಚಾಲಿತವಾಗಿ ರಿಫ್ರೆಶ್ ಮಾಡಿ (MODEL_SYNC_INTERVAL_HOURS ಮೂಲಕ ಸಂರಚಿಸಬಹುದು)",
     "autoSyncEnabled": "ಸ್ವಯಂ-ಸಿಂಕ್ ಸಕ್ರಿಯವಾಗಿದೆ — ಮಾದರಿಗಳನ್ನು ನಿಯತಕಾಲಿಕವಾಗಿ ರಿಫ್ರೆಶ್ ಮಾಡಲಾಗುತ್ತದೆ",
     "autoSyncDisabled": "ಸ್ವಯಂ-ಸಿಂಕ್ ನಿಷ್ಕ್ರಿಯವಾಗಿದೆ",
     "autoSyncToggleFailed": "ಸ್ವಯಂ-ಸಿಂಕ್ ಅನ್ನು ಬದಲಾಯಿಸಲು ವಿಫಲವಾಗಿದೆ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "ತಾತ್ಕಾಲಿಕ ವಿರಾಮದಲ್ಲಿದೆ",
     "codexPoolUsed": "ಬಳಸಲಾಗಿದೆ",
     "codexPoolUntil": "{value} ವರೆಗೆ",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ಅನಾಮಧೇಯ ಪರ್ಯಾಯ ವ್ಯವಸ್ಥೆ",
     "anonymousFallbackDesc": "ಕಾನ್ಫಿಗರ್ ಮಾಡಲಾದ ಎಲ್ಲಾ ಸಂಪರ್ಕಗಳ ಕೋಟಾ ಅಥವಾ ಕ್ರೆಡಿಟ್ಗಳು ಮುಗಿದಾಗ ಅಥವಾ ಅವುಗಳ ಅವಧಿ ಮುಕ್ತಾಯವಾದಾಗ, ತಾತ್ಕಾಲಿಕವಾಗಿ ಈ ಪೂರೈಕೆದಾರರ ಕೀಲಿರಹಿತ ಹಂತವನ್ನು ಬಳಸಿ. ಅನಾಮಧೇಯ ವಿನಂತಿಗಳನ್ನು ಕಳುಹಿಸುವ ಬದಲು ಈ ಪೂರೈಕೆದಾರರನ್ನು ಬಿಟ್ಟುಬಿಡಲು ಇದನ್ನು ಆಫ್ ಮಾಡಿ — ಕೀಲಿರಹಿತ ಹಂತವು ಅವುಗಳನ್ನು ತಿರಸ್ಕರಿಸಿದಾಗ (401) ಇದನ್ನು ಶಿಫಾರಸು ಮಾಡಲಾಗುತ್ತದೆ.",
     "anonymousFallbackEnabled": "{provider} ಗಾಗಿ ಅನಾಮಧೇಯ ಪರ್ಯಾಯ ವ್ಯವಸ್ಥೆಯನ್ನು ಸಕ್ರಿಯಗೊಳಿಸಲಾಗಿದೆ",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "ಮಾದರಿ ಎಂಡ್ಪಾಯಿಂಟ್ ಸೆಟ್ಟಿಂಗ್ಗಳನ್ನು ಉಳಿಸಲಾಗಿದೆ",
     "searchByModelAria": "ಮಾದರಿಯ ಮೂಲಕ ಹುಡುಕಿ",
     "selectSupportedEndpoint": "ಬೆಂಬಲಿತ ಎಂಡ್ಪಾಯಿಂಟ್ಗಳಲ್ಲಿ ಕನಿಷ್ಠ ಒಂದನ್ನು ಆಯ್ಕೆಮಾಡಿ",
-    "antigravityClientProfileHarness": "ಹಾರ್ನೆಸ್ / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "ಹಾರ್ನೆಸ್ / CLI"
   },
   "settings": {
     "title": "ಸೆಟ್ಟಿಂಗ್ಗಳು",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "ಪಾಲುದಾರರ ಲಿಂಕ್",
     "dismissAriaLabel": "ವಜಾಗೊಳಿಸಿ"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ಕ್ಯಾಟಲಾಗ್ನಲ್ಲಿ ಚಿಂತನಾ ಮಟ್ಟದ ರೂಪಾಂತರಗಳ (ಉದಾ. -low, -medium, -high) ರಚನೆಯನ್ನು ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಿ."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ಕ್ಯಾಟಲಾಗ್ನಲ್ಲಿ ಚಿಂತನಾ ಮಟ್ಟದ ರೂಪಾಂತರಗಳ (ಉದಾ. -low, -medium, -high) ರಚನೆಯನ್ನು ನಿಷ್ಕ್ರಿಯಗೊಳಿಸಿ.",
+  "connectionTest": {
+    "title": "ಪರೀಕ್ಷಾ ಸಂದೇಶ",
+    "description": "ಈ ಖಾತೆಯ ಮೂಲಕ ಒಂದು ನೈಜ ವಿನಂತಿಯನ್ನು ಕಳುಹಿಸಿ. ಇದು ಸ್ವಲ್ಪ ಪ್ರಮಾಣದ ಕೋಟಾವನ್ನು ಬಳಸುತ್ತದೆ ಮತ್ತು ಪೂರೈಕೆದಾರರನ್ನು ಅವಲಂಬಿಸಿ ಬಳಕೆಯ ಅವಧಿಯನ್ನು ಪ್ರಾರಂಭಿಸಬಹುದು.",
+    "loading": "ಖಾತೆಯ ಮಾದರಿಗಳು ಲೋಡ್ ಆಗುತ್ತಿವೆ…",
+    "model": "ಈ ಖಾತೆಯ ಪರೀಕ್ಷಾ ಮಾದರಿ",
+    "chooseModel": "ಮಾದರಿಯನ್ನು ಆಯ್ಕೆಮಾಡಿ",
+    "unavailable": "ಪ್ರಸ್ತುತ ಕ್ಯಾಟಲಾಗ್ನಲ್ಲಿ ಇಲ್ಲ",
+    "noModels": "ಯಾವುದೇ ಚಾಟ್ ಮಾದರಿಗಳು ಲಭ್ಯವಿಲ್ಲ. ಮೊದಲು ಈ ಖಾತೆಯ ಮಾದರಿಗಳನ್ನು ಸಿಂಕ್ ಮಾಡಿ.",
+    "message": "ಸಂದೇಶ",
+    "settingsLink": "AI Settings ನಲ್ಲಿ ಸಂದೇಶವನ್ನು ಬದಲಾಯಿಸಿ",
+    "activateFirst": "ಸಂದೇಶ ಕಳುಹಿಸುವ ಮೊದಲು ಈ ಖಾತೆಯನ್ನು ಸಕ್ರಿಯಗೊಳಿಸಿ.",
+    "saveModel": "ಮಾದರಿಯನ್ನು ಉಳಿಸಿ",
+    "send": "ಪರೀಕ್ಷಾ ಸಂದೇಶವನ್ನು ಕಳುಹಿಸಿ",
+    "saved": "ಉಳಿಸಲಾಗಿದೆ",
+    "answer": "ಮಾದರಿಯ ಪ್ರತಿಕ್ರಿಯೆ",
+    "failed": "ವಿನಂತಿ ವಿಫಲವಾಗಿದೆ. ದಯವಿಟ್ಟು ಮತ್ತೆ ಪ್ರಯತ್ನಿಸಿ.",
+    "settingsTitle": "ಖಾತೆಯ ಹಸ್ತಚಾಲಿತ ಪರೀಕ್ಷಾ ಸಂದೇಶಗಳು",
+    "settingsDescription": "ಈ ಸಂದೇಶವನ್ನು Connections ಮತ್ತು Provider Quota ಅಡಿಯಲ್ಲಿರುವ ಪರೀಕ್ಷಾ ಬಟನ್ಗಳು ಬಳಸುತ್ತವೆ. ಪ್ರತಿ ಖಾತೆಗೆ ಮಾದರಿಯನ್ನು ಪ್ರತ್ಯೇಕವಾಗಿ ಆಯ್ಕೆಮಾಡಿ. ಉಳಿಸುವುದರಿಂದ ಸಂದೇಶವನ್ನು ಕಳುಹಿಸಲಾಗುವುದಿಲ್ಲ ಅಥವಾ ಸ್ವಯಂಚಾಲಿತ ಪಿಂಗ್ಗಳನ್ನು ಸಕ್ರಿಯಗೊಳಿಸಲಾಗುವುದಿಲ್ಲ.",
+    "saveMessage": "ಸಂದೇಶವನ್ನು ಉಳಿಸಿ",
+    "defaultModel": "ಡೀಫಾಲ್ಟ್ ಪರೀಕ್ಷಾ ಮಾದರಿ",
+    "defaultModelHint": "ಈ ಖಾತೆಯ ಸಂದೇಶವನ್ನು ಪರೀಕ್ಷಿಸಿ ಬಟನ್ಗಳಿಂದ ಸ್ವಯಂಚಾಲಿತವಾಗಿ ಬಳಸಲಾಗುತ್ತದೆ. ಸಂಪರ್ಕದೊಂದಿಗೆ ಉಳಿಸಲಾಗುತ್ತದೆ; ಯಾವುದೇ ಸಂದೇಶವನ್ನು ಕಳುಹಿಸಲಾಗುವುದಿಲ್ಲ."
+  }
 }
diff --git a/src/i18n/messages/ko.json b/src/i18n/messages/ko.json
index 0ca56fb3841d..04faf73f0e55 100644
--- a/src/i18n/messages/ko.json
+++ b/src/i18n/messages/ko.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "업스트림 기본값 복원",
     "resetToUpstreamDefaultsSuccess": "복원된 업스트림 모델 기본값",
     "resetToUpstreamDefaultsFailed": "업스트림 모델 기본값을 복원하지 못했습니다.",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "기본적으로 6시간마다 모델 목록 자동 새로고침(MODEL_SYNC_INTERVAL_HOURS를 통해 설정 가능)",
     "autoSyncEnabled": "자동 동기화 활성화 — 모델이 주기적으로 업데이트됩니다",
     "autoSyncDisabled": "자동 동기화 비활성화",
     "autoSyncToggleFailed": "자동 동기화 전환 실패",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "대기 시간 적용 중",
     "codexPoolUsed": "사용됨",
     "codexPoolUntil": "{value}까지",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "익명 대체",
     "anonymousFallbackDesc": "모든 구성된 연결이 소진되면(쿼터, 크레딧 또는 만료), 이 공급자의 키 없는 계층을 임시로 사용합니다. 익명 요청을 보내는 대신 이 공급자를 건너뛰려면 끄세요. 키 없는 계층이 요청을 거부할 때(401) 권장됩니다.",
     "anonymousFallbackEnabled": "{provider}에 대한 익명 대체가 활성화되었습니다.",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "저장된 모델 엔드포인트 설정",
     "searchByModelAria": "모델로 검색",
     "selectSupportedEndpoint": "지원되는 엔드포인트를 최소한 하나 선택하세요.",
-    "antigravityClientProfileHarness": "하네스 / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "하네스 / CLI"
   },
   "settings": {
     "title": "설정",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "파트너 링크",
     "dismissAriaLabel": "닫기"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models 카탈로그에서 사고 수준 변형(예: -low, -medium, -high)이 생성되지 않도록 설정합니다."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models 카탈로그에서 사고 수준 변형(예: -low, -medium, -high)이 생성되지 않도록 설정합니다.",
+  "connectionTest": {
+    "title": "테스트 메시지",
+    "description": "이 계정을 통해 실제 요청 하나를 보냅니다. 소량의 할당량이 사용되며, 제공업체에 따라 사용량 집계 기간이 시작될 수 있습니다.",
+    "loading": "계정 모델 불러오는 중…",
+    "model": "이 계정의 테스트 모델",
+    "chooseModel": "모델 선택",
+    "unavailable": "현재 카탈로그에 없음",
+    "noModels": "사용 가능한 채팅 모델이 없습니다. 먼저 이 계정의 모델을 동기화하세요.",
+    "message": "메시지",
+    "settingsLink": "AI 설정에서 메시지 변경",
+    "activateFirst": "메시지를 보내기 전에 이 계정을 활성화하세요.",
+    "saveModel": "모델 저장",
+    "send": "테스트 메시지 보내기",
+    "saved": "저장됨",
+    "answer": "모델 응답",
+    "failed": "요청에 실패했습니다. 다시 시도해 주세요.",
+    "settingsTitle": "수동 계정 테스트 메시지",
+    "settingsDescription": "이 메시지는 연결 및 제공업체 할당량 아래의 테스트 버튼에서 사용됩니다. 각 계정의 모델은 별도로 선택하세요. 저장해도 메시지가 전송되거나 자동 핑이 활성화되지는 않습니다.",
+    "saveMessage": "메시지 저장",
+    "defaultModel": "기본 테스트 모델",
+    "defaultModelHint": "이 계정의 메시지 테스트 버튼에서 자동으로 사용됩니다. 연결 정보와 함께 저장되며, 메시지는 전송되지 않습니다."
+  }
 }
diff --git a/src/i18n/messages/lt.json b/src/i18n/messages/lt.json
index 4159b4fe6f1a..4b965de90958 100644
--- a/src/i18n/messages/lt.json
+++ b/src/i18n/messages/lt.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Atkurti pirminio šaltinio numatytąsias nuostatas",
     "resetToUpstreamDefaultsSuccess": "Atkurtos numatytosios pirminio šaltinio modelio nuostatos",
     "resetToUpstreamDefaultsFailed": "Nepavyko atkurti numatytųjų pirminio šaltinio modelio nuostatų",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Pagal numatytuosius nustatymus automatiškai atnaujinti modelių sąrašą kas 6 val. (galima konfigūruoti naudojant MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatinis sinchronizavimas įjungtas — modeliai bus periodiškai atnaujinami",
     "autoSyncDisabled": "Automatinis sinchronizavimas išjungtas",
     "autoSyncToggleFailed": "Nepavyko perjungti automatinio sinchronizavimo",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Laikinai pristabdyta",
     "codexPoolUsed": "panaudota",
     "codexPoolUntil": "Iki {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anoniminis atsarginis režimas",
     "anonymousFallbackDesc": "Kai visi sukonfigūruoti ryšiai tampa nebetinkami (išnaudojus kvotą ar kreditus arba pasibaigus jų galiojimui), laikinai naudoti šio teikėjo pakopą be rakto. Išjunkite, kad šis teikėjas būtų praleistas, užuot siuntus anonimines užklausas — rekomenduojama, kai pakopa be rakto jas atmeta (401).",
     "anonymousFallbackEnabled": "Anoniminis atsarginis režimas įjungtas teikėjui {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Modelio galinio taško nustatymai išsaugoti",
     "searchByModelAria": "Ieškoti pagal modelį",
     "selectSupportedEndpoint": "Pasirinkite bent vieną palaikomą galinį tašką",
-    "antigravityClientProfileHarness": "Testavimo aplinka / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testavimo aplinka / CLI"
   },
   "settings": {
     "title": "Nustatymai",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerio nuoroda",
     "dismissAriaLabel": "Uždaryti"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Išjungti mąstymo lygio variantų (pvz., -low, -medium, -high) generavimą /v1/models kataloge."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Išjungti mąstymo lygio variantų (pvz., -low, -medium, -high) generavimą /v1/models kataloge.",
+  "connectionTest": {
+    "title": "Bandomasis pranešimas",
+    "description": "Per šią paskyrą išsiųsti vieną tikrą užklausą. Tam sunaudojamas nedidelis kvotos kiekis ir, priklausomai nuo teikėjo, gali būti pradėtas naudojimo laikotarpis.",
+    "loading": "Įkeliami paskyros modeliai…",
+    "model": "Šios paskyros bandomasis modelis",
+    "chooseModel": "Pasirinkite modelį",
+    "unavailable": "nėra dabartiniame kataloge",
+    "noModels": "Pokalbių modelių nėra. Pirmiausia sinchronizuokite šios paskyros modelius.",
+    "message": "Pranešimas",
+    "settingsLink": "Pakeiskite pranešimą DI nustatymuose",
+    "activateFirst": "Prieš siųsdami pranešimą suaktyvinkite šią paskyrą.",
+    "saveModel": "Išsaugoti modelį",
+    "send": "Siųsti bandomąjį pranešimą",
+    "saved": "Išsaugota",
+    "answer": "Modelio atsakymas",
+    "failed": "Užklausa nepavyko. Bandykite dar kartą.",
+    "settingsTitle": "Rankiniai paskyros bandomieji pranešimai",
+    "settingsDescription": "Šį pranešimą naudoja bandomieji mygtukai skiltyse „Ryšiai“ ir „Teikėjo kvota“. Kiekvienai paskyrai modelį pasirinkite atskirai. Išsaugojus pranešimas nesiunčiamas ir automatinės patikros neįjungiamos.",
+    "saveMessage": "Išsaugoti pranešimą",
+    "defaultModel": "Numatytasis bandomasis modelis",
+    "defaultModelHint": "Automatiškai naudojama šios paskyros mygtukams „Testuoti pranešimą“. Išsaugoma kartu su ryšiu; joks pranešimas nesiunčiamas."
+  }
 }
diff --git a/src/i18n/messages/lv.json b/src/i18n/messages/lv.json
index a53fa2ab2958..c23023d487bc 100644
--- a/src/i18n/messages/lv.json
+++ b/src/i18n/messages/lv.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Atjaunot augšupējā modeļa noklusējuma iestatījumus",
     "resetToUpstreamDefaultsSuccess": "Augšupējā modeļa noklusējuma iestatījumi atjaunoti",
     "resetToUpstreamDefaultsFailed": "Neizdevās atjaunot augšupējā modeļa noklusējuma iestatījumus",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Pēc noklusējuma automātiski atsvaidzināt modeļu sarakstu ik pēc 6 h (konfigurējams, izmantojot MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automātiskā sinhronizācija iespējota — modeļi tiks periodiski atsvaidzināti",
     "autoSyncDisabled": "Automātiskā sinhronizācija atspējota",
     "autoSyncToggleFailed": "Neizdevās pārslēgt automātisko sinhronizāciju",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Nogaidīšanas režīmā",
     "codexPoolUsed": "izmantots",
     "codexPoolUntil": "Līdz {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonīma rezerves iespēja",
     "anonymousFallbackDesc": "Kad visiem konfigurētajiem savienojumiem ir izsmeltas kvotas vai kredīti vai beidzies derīguma termiņš, īslaicīgi izmantojiet šī pakalpojumu sniedzēja līmeni bez atslēgas. Izslēdziet šo opciju, lai izlaistu šo pakalpojumu sniedzēju, nevis sūtītu anonīmus pieprasījumus — tas ir ieteicams, ja līmenis bez atslēgas tos noraida (401).",
     "anonymousFallbackEnabled": "Pakalpojumam {provider} ir iespējota anonīma rezerves iespēja",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Modeļa galapunkta iestatījumi saglabāti",
     "searchByModelAria": "Meklēt pēc modeļa",
     "selectSupportedEndpoint": "Izvēlieties vismaz vienu atbalstītu galapunktu",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Iestatījumi",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnera saite",
     "dismissAriaLabel": "Aizvērt"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Atspējot domāšanas līmeņu variantu (piem., -low, -medium, -high) ģenerēšanu /v1/models katalogā."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Atspējot domāšanas līmeņu variantu (piem., -low, -medium, -high) ģenerēšanu /v1/models katalogā.",
+  "connectionTest": {
+    "title": "Testa ziņojums",
+    "description": "Nosūtiet vienu reālu pieprasījumu, izmantojot šo kontu. Tas patērē nelielu kvotas daļu un atkarībā no pakalpojumu sniedzēja var sākt lietojuma periodu.",
+    "loading": "Notiek konta modeļu ielāde…",
+    "model": "Šī konta testa modelis",
+    "chooseModel": "Izvēlieties modeli",
+    "unavailable": "nav pašreizējā katalogā",
+    "noModels": "Nav pieejamu tērzēšanas modeļu. Vispirms sinhronizējiet šī konta modeļus.",
+    "message": "Ziņojums",
+    "settingsLink": "Mainiet ziņojumu AI iestatījumos",
+    "activateFirst": "Pirms ziņojuma nosūtīšanas aktivizējiet šo kontu.",
+    "saveModel": "Saglabāt modeli",
+    "send": "Nosūtīt testa ziņojumu",
+    "saved": "Saglabāts",
+    "answer": "Modeļa atbilde",
+    "failed": "Pieprasījums neizdevās. Lūdzu, mēģiniet vēlreiz.",
+    "settingsTitle": "Manuāli konta testa ziņojumi",
+    "settingsDescription": "Šo ziņojumu izmanto testa pogas sadaļās Savienojumi un Pakalpojumu sniedzēja kvota. Katram kontam izvēlieties modeli atsevišķi. Saglabāšana nenosūta ziņojumu un neiespējo automātiskus pārbaudes pieprasījumus.",
+    "saveMessage": "Saglabāt ziņojumu",
+    "defaultModel": "Noklusējuma testa modelis",
+    "defaultModelHint": "Šim kontam to automātiski izmanto pogas “Testa ziņojums”. Saglabāts kopā ar savienojumu; ziņojums netiek nosūtīts."
+  }
 }
diff --git a/src/i18n/messages/ml.json b/src/i18n/messages/ml.json
index 22a70de1f31e..a346f1520c5c 100644
--- a/src/i18n/messages/ml.json
+++ b/src/i18n/messages/ml.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "അപ്സ്ട്രീം ഡിഫോൾട്ടുകൾ പുനഃസ്ഥാപിക്കുക",
     "resetToUpstreamDefaultsSuccess": "അപ്സ്ട്രീം മോഡലിന്റെ ഡിഫോൾട്ടുകൾ പുനഃസ്ഥാപിച്ചു",
     "resetToUpstreamDefaultsFailed": "അപ്സ്ട്രീം മോഡലിന്റെ ഡിഫോൾട്ടുകൾ പുനഃസ്ഥാപിക്കുന്നതിൽ പരാജയപ്പെട്ടു",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ഡിഫോൾട്ടായി ഓരോ 6 മണിക്കൂറിലും മോഡൽ ലിസ്റ്റ് സ്വയമേവ പുതുക്കുക (MODEL_SYNC_INTERVAL_HOURS വഴി ക്രമീകരിക്കാം)",
     "autoSyncEnabled": "യാന്ത്രിക സമന്വയം പ്രവർത്തനക്ഷമമാക്കി — മോഡലുകൾ നിശ്ചിത ഇടവേളകളിൽ പുതുക്കും",
     "autoSyncDisabled": "യാന്ത്രിക സമന്വയം പ്രവർത്തനരഹിതമാക്കി",
     "autoSyncToggleFailed": "യാന്ത്രിക സമന്വയ നില മാറ്റുന്നതിൽ പരാജയപ്പെട്ടു",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "താൽക്കാലിക വിശ്രമത്തിലാണ്",
     "codexPoolUsed": "ഉപയോഗിച്ചു",
     "codexPoolUntil": "{value} വരെ",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "അജ്ഞാത ഫാൾബാക്ക്",
     "anonymousFallbackDesc": "ക്രമീകരിച്ച എല്ലാ കണക്ഷനുകളും തീർന്നാൽ (ക്വോട്ട, ക്രെഡിറ്റുകൾ, അല്ലെങ്കിൽ കാലാവധി), ഈ പ്രൊവൈഡറുടെ കീ ആവശ്യമില്ലാത്ത ടയർ താൽക്കാലികമായി ഉപയോഗിക്കുക. അജ്ഞാത അഭ്യർത്ഥനകൾ അയയ്ക്കുന്നതിന് പകരം ഈ പ്രൊവൈഡറെ ഒഴിവാക്കാൻ ഇത് ഓഫാക്കുക — കീ ആവശ്യമില്ലാത്ത ടയർ അവ നിരസിക്കുമ്പോൾ (401) ഇത് ശുപാർശ ചെയ്യുന്നു.",
     "anonymousFallbackEnabled": "{provider}-നായി അജ്ഞാത ഫാൾബാക്ക് പ്രവർത്തനക്ഷമമാക്കി",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "സംരക്ഷിച്ച മോഡൽ എൻഡ്പോയിന്റ് ക്രമീകരണങ്ങൾ",
     "searchByModelAria": "മോഡൽ അനുസരിച്ച് തിരയുക",
     "selectSupportedEndpoint": "പിന്തുണയ്ക്കുന്ന ഒരു എൻഡ്പോയിന്റെങ്കിലും തിരഞ്ഞെടുക്കുക",
-    "antigravityClientProfileHarness": "ഹാർനെസ് / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "ഹാർനെസ് / CLI"
   },
   "settings": {
     "title": "ക്രമീകരണങ്ങൾ",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "പങ്കാളി ലിങ്ക്",
     "dismissAriaLabel": "അടയ്ക്കുക"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models കാറ്റലോഗിൽ ചിന്താതല വേരിയന്റുകൾ (ഉദാ. -low, -medium, -high) സൃഷ്ടിക്കുന്നത് പ്രവർത്തനരഹിതമാക്കുക."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models കാറ്റലോഗിൽ ചിന്താതല വേരിയന്റുകൾ (ഉദാ. -low, -medium, -high) സൃഷ്ടിക്കുന്നത് പ്രവർത്തനരഹിതമാക്കുക.",
+  "connectionTest": {
+    "title": "ടെസ്റ്റ് സന്ദേശം",
+    "description": "ഈ അക്കൗണ്ടിലൂടെ ഒരു യഥാർത്ഥ അഭ്യർത്ഥന അയയ്ക്കുക. ഇത് ചെറിയ അളവിൽ ക്വോട്ട ഉപയോഗിക്കും, കൂടാതെ പ്രൊവൈഡറെ ആശ്രയിച്ച് ഒരു ഉപയോഗ കാലയളവ് ആരംഭിക്കാനും കഴിയും.",
+    "loading": "അക്കൗണ്ട് മോഡലുകൾ ലോഡ് ചെയ്യുന്നു…",
+    "model": "ഈ അക്കൗണ്ടിനുള്ള ടെസ്റ്റ് മോഡൽ",
+    "chooseModel": "ഒരു മോഡൽ തിരഞ്ഞെടുക്കുക",
+    "unavailable": "നിലവിലെ കാറ്റലോഗിൽ ഇല്ല",
+    "noModels": "ചാറ്റ് മോഡലുകളൊന്നും ലഭ്യമല്ല. ആദ്യം ഈ അക്കൗണ്ടിനുള്ള മോഡലുകൾ സമന്വയിപ്പിക്കുക.",
+    "message": "സന്ദേശം",
+    "settingsLink": "AI Settings-ൽ സന്ദേശം മാറ്റുക",
+    "activateFirst": "ഒരു സന്ദേശം അയയ്ക്കുന്നതിന് മുമ്പ് ഈ അക്കൗണ്ട് സജീവമാക്കുക.",
+    "saveModel": "മോഡൽ സംരക്ഷിക്കുക",
+    "send": "ടെസ്റ്റ് സന്ദേശം അയയ്ക്കുക",
+    "saved": "സംരക്ഷിച്ചു",
+    "answer": "മോഡലിന്റെ പ്രതികരണം",
+    "failed": "അഭ്യർത്ഥന പരാജയപ്പെട്ടു. ദയവായി വീണ്ടും ശ്രമിക്കുക.",
+    "settingsTitle": "മാനുവൽ അക്കൗണ്ട് ടെസ്റ്റ് സന്ദേശങ്ങൾ",
+    "settingsDescription": "Connections, Provider Quota എന്നിവയ്ക്ക് കീഴിലുള്ള ടെസ്റ്റ് ബട്ടണുകൾ ഈ സന്ദേശം ഉപയോഗിക്കുന്നു. ഓരോ അക്കൗണ്ടിനും മോഡൽ പ്രത്യേകം തിരഞ്ഞെടുക്കുക. സംരക്ഷിക്കുന്നത് സന്ദേശം അയയ്ക്കുകയോ ഓട്ടോമാറ്റിക് പിങ്ങുകൾ പ്രവർത്തനക്ഷമമാക്കുകയോ ചെയ്യില്ല.",
+    "saveMessage": "സന്ദേശം സംരക്ഷിക്കുക",
+    "defaultModel": "ഡിഫോൾട്ട് ടെസ്റ്റ് മോഡൽ",
+    "defaultModelHint": "ഈ അക്കൗണ്ടിലെ സന്ദേശം പരിശോധിക്കുക ബട്ടണുകൾ സ്വയമേവ ഇത് ഉപയോഗിക്കുന്നു. കണക്ഷനോടൊപ്പം സംരക്ഷിക്കപ്പെടും; ഒരു സന്ദേശവും അയയ്ക്കില്ല."
+  }
 }
diff --git a/src/i18n/messages/mr.json b/src/i18n/messages/mr.json
index 31513fec0ae9..7aba832207fd 100644
--- a/src/i18n/messages/mr.json
+++ b/src/i18n/messages/mr.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "अपस्ट्रीम डिफॉल्ट्स पुनर्स्थापित करा",
     "resetToUpstreamDefaultsSuccess": "उपस्ट्रीम मॉडेल डिफॉल्ट्स पुनर्स्थापित केले",
     "resetToUpstreamDefaultsFailed": "उपस्ट्रीम मॉडेल डिफॉल्ट्स पुनर्स्थापित करण्यात अयशस्वी",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "डीफॉल्टनुसार प्रत्येक 6 तासांनी मॉडेल सूची आपोआप रीफ्रेश करा (MODEL_SYNC_INTERVAL_HOURS द्वारे कॉन्फिगर करता येते)",
     "autoSyncEnabled": "स्वयं-समक्रमण सक्षम केले — मॉडेल वेळोवेळी रीफ्रेश होतील",
     "autoSyncDisabled": "स्वयं-समक्रमण अक्षम केले",
     "autoSyncToggleFailed": "स्वयं-समक्रमण टॉगल करण्यात अयशस्वी",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "प्रतीक्षा कालावधीत",
     "codexPoolUsed": "वापरले",
     "codexPoolUntil": "{value} पर्यंत",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "अज्ञात बॅकअप",
     "anonymousFallbackDesc": "जेव्हा सर्व कॉन्फिगर केलेले कनेक्शन संपतात (कोटा, क्रेडिट्स, किंवा कालावधी), तेव्हा तात्पुरते या प्रदात्याचा कीलेस स्तर वापरा. गुप्त विनंत्या पाठविण्याऐवजी या प्रदात्याला वगळण्यासाठी बंद करा — जेव्हा कीलेस स्तर त्यांना नकार देतो (401) तेव्हा शिफारस केले जाते.",
     "anonymousFallbackEnabled": "{provider} साठी गुप्तFallback सक्षम आहे",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "सुरक्षित केलेल्या मॉडेल एंडपॉइंट सेटिंग्ज",
     "searchByModelAria": "मॉडेलद्वारे शोधा",
     "selectSupportedEndpoint": "किमान एक समर्थित एंडपॉइंट निवडा",
-    "antigravityClientProfileHarness": "हार्नेस / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "हार्नेस / CLI"
   },
   "settings": {
     "title": "सेटिंग्ज",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "भागीदार लिंक",
     "dismissAriaLabel": "बंद करा"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models कॅटलॉगमध्ये विचार-पातळीच्या प्रकारांची (उदा. -low, -medium, -high) निर्मिती अक्षम करा."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models कॅटलॉगमध्ये विचार-पातळीच्या प्रकारांची (उदा. -low, -medium, -high) निर्मिती अक्षम करा.",
+  "connectionTest": {
+    "title": "चाचणी संदेश",
+    "description": "या खात्याद्वारे एक वास्तविक विनंती पाठवा. यासाठी कोट्याचा थोडासा वापर होतो आणि प्रदात्यानुसार वापर कालावधी सुरू होऊ शकतो.",
+    "loading": "खात्याची मॉडेल्स लोड होत आहेत…",
+    "model": "या खात्यासाठी चाचणी मॉडेल",
+    "chooseModel": "मॉडेल निवडा",
+    "unavailable": "सध्याच्या कॅटलॉगमध्ये नाही",
+    "noModels": "कोणतेही चॅट मॉडेल उपलब्ध नाही. प्रथम या खात्यासाठी मॉडेल्स सिंक करा.",
+    "message": "संदेश",
+    "settingsLink": "AI सेटिंग्जमध्ये संदेश बदला",
+    "activateFirst": "संदेश पाठवण्यापूर्वी हे खाते सक्रिय करा.",
+    "saveModel": "मॉडेल जतन करा",
+    "send": "चाचणी संदेश पाठवा",
+    "saved": "जतन केले",
+    "answer": "मॉडेलचा प्रतिसाद",
+    "failed": "विनंती अयशस्वी झाली. कृपया पुन्हा प्रयत्न करा.",
+    "settingsTitle": "खात्यासाठी मॅन्युअल चाचणी संदेश",
+    "settingsDescription": "हा संदेश Connections आणि Provider Quota अंतर्गत असलेल्या चाचणी बटणांद्वारे वापरला जातो. प्रत्येक खात्यासाठी मॉडेल स्वतंत्रपणे निवडा. जतन केल्याने संदेश पाठवला जात नाही किंवा स्वयंचलित पिंग्ज सक्षम होत नाहीत.",
+    "saveMessage": "संदेश जतन करा",
+    "defaultModel": "डीफॉल्ट चाचणी मॉडेल",
+    "defaultModelHint": "या खात्यासाठी ‘चाचणी संदेश’ बटणांद्वारे स्वयंचलितपणे वापरले जाते. कनेक्शनसोबत जतन केले जाते; कोणताही संदेश पाठवला जात नाही."
+  }
 }
diff --git a/src/i18n/messages/ms.json b/src/i18n/messages/ms.json
index 9490592fe08d..0b7254b657dd 100644
--- a/src/i18n/messages/ms.json
+++ b/src/i18n/messages/ms.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Pulihkan tetapan asal upstream",
     "resetToUpstreamDefaultsSuccess": "Mengembalikan tetapan lalai model upstream",
     "resetToUpstreamDefaultsFailed": "Gagal untuk memulihkan tetapan lalai model upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Muat semula senarai model secara automatik setiap 6 jam secara lalai (boleh dikonfigurasikan melalui MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Autosegerak didayakan — model akan dimuat semula secara berkala",
     "autoSyncDisabled": "Autosegerak dilumpuhkan",
     "autoSyncToggleFailed": "Gagal untuk menogol autosegerak",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Dalam tempoh menunggu",
     "codexPoolUsed": "digunakan",
     "codexPoolUntil": "Sehingga {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback Tanpa Nama",
     "anonymousFallbackDesc": "Apabila semua sambungan yang dikonfigurasikan habis (kuota, kredit, atau tamat tempoh), gunakan sementara tier tanpa kunci penyedia ini. Matikan untuk mengabaikan penyedia ini daripada menghantar permintaan tanpa nama — disyorkan apabila tier tanpa kunci menolak permintaan tersebut (401).",
     "anonymousFallbackEnabled": "Fallback tanpa nama diaktifkan untuk {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Tetapan titik akhir model yang disimpan",
     "searchByModelAria": "Cari mengikut model",
     "selectSupportedEndpoint": "Pilih sekurang-kurangnya satu titik akhir yang disokong",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "tetapan",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Pautan rakan kongsi",
     "dismissAriaLabel": "Tutup"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Lumpuhkan penjanaan varian tahap pemikiran (cth. -low, -medium, -high) dalam katalog /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Lumpuhkan penjanaan varian tahap pemikiran (cth. -low, -medium, -high) dalam katalog /v1/models.",
+  "connectionTest": {
+    "title": "Mesej ujian",
+    "description": "Hantar satu permintaan sebenar melalui akaun ini. Tindakan ini menggunakan sedikit kuota dan boleh memulakan tempoh penggunaan, bergantung pada penyedia.",
+    "loading": "Memuatkan model akaun…",
+    "model": "Model ujian untuk akaun ini",
+    "chooseModel": "Pilih model",
+    "unavailable": "tiada dalam katalog semasa",
+    "noModels": "Tiada model sembang tersedia. Segerakkan model untuk akaun ini terlebih dahulu.",
+    "message": "Mesej",
+    "settingsLink": "Ubah mesej dalam Tetapan AI",
+    "activateFirst": "Aktifkan akaun ini sebelum menghantar mesej.",
+    "saveModel": "Simpan model",
+    "send": "Hantar mesej ujian",
+    "saved": "Disimpan",
+    "answer": "Respons model",
+    "failed": "Permintaan gagal. Sila cuba lagi.",
+    "settingsTitle": "Mesej ujian akaun manual",
+    "settingsDescription": "Mesej ini digunakan oleh butang ujian di bawah Sambungan dan Kuota Penyedia. Pilih model secara berasingan untuk setiap akaun. Menyimpan tidak akan menghantar mesej atau mendayakan ping automatik.",
+    "saveMessage": "Simpan mesej",
+    "defaultModel": "Model ujian lalai",
+    "defaultModelHint": "Digunakan secara automatik oleh butang Uji mesej untuk akaun ini. Disimpan bersama sambungan; tiada mesej dihantar."
+  }
 }
diff --git a/src/i18n/messages/mt.json b/src/i18n/messages/mt.json
index bdf7eb938aab..09be7fb5f7f0 100644
--- a/src/i18n/messages/mt.json
+++ b/src/i18n/messages/mt.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Irrestawra l-valuri predefiniti tas-sors upstream",
     "resetToUpstreamDefaultsSuccess": "Ġew irrestawrati l-valuri predefiniti tal-mudell mis-sors upstream",
     "resetToUpstreamDefaultsFailed": "Ma rnexxiex jiġu rrestawrati l-valuri predefiniti tal-mudell mis-sors upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Aġġorna awtomatikament il-lista tal-mudelli kull 6 sigħat b’mod awtomatiku (konfigurabbli permezz ta’ MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Is-sinkronizzazzjoni awtomatika hija attivata — il-mudelli se jiġu aġġornati perjodikament",
     "autoSyncDisabled": "Is-sinkronizzazzjoni awtomatika hija diżattivata",
     "autoSyncToggleFailed": "Ma rnexxiex jinbidel l-istat tas-sinkronizzazzjoni awtomatika",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Fil-perjodu ta' stennija",
     "codexPoolUsed": "użat",
     "codexPoolUntil": "Sa {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Alternattiva anonima",
     "anonymousFallbackDesc": "Meta l-konnessjonijiet konfigurati kollha jkunu eżawriti (minħabba l-kwota, il-krediti jew l-iskadenza), uża temporanjament il-livell mingħajr ċavetta ta’ dan il-fornitur. Itfi din l-għażla biex taqbeż lil dan il-fornitur minflok ma tibgħat talbiet anonimi — dan huwa rakkomandat meta l-livell mingħajr ċavetta jirrifjutahom (401).",
     "anonymousFallbackEnabled": "L-alternattiva anonima ġiet attivata għal {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Settings issejvjati tal-endpoint tal-mudell",
     "searchByModelAria": "Fittex skont il-mudell",
     "selectSupportedEndpoint": "Agħżel mill-inqas endpoint wieħed appoġġjat",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Issettjar",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link tas-sieħeb",
     "dismissAriaLabel": "Agħlaq"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Itfi l-ġenerazzjoni ta’ varjanti tal-livell ta’ ħsieb (eż. -low, -medium, -high) fil-katalgu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Itfi l-ġenerazzjoni ta’ varjanti tal-livell ta’ ħsieb (eż. -low, -medium, -high) fil-katalgu /v1/models.",
+  "connectionTest": {
+    "title": "Messaġġ tat-test",
+    "description": "Ibgħat talba reali waħda permezz ta’ dan il-kont. Dan juża ammont żgħir mill-kwota u jista’ jibda perjodu ta’ użu, skont il-fornitur.",
+    "loading": "Qed jitgħabbew il-mudelli tal-kont…",
+    "model": "Mudell tat-test għal dan il-kont",
+    "chooseModel": "Agħżel mudell",
+    "unavailable": "mhux fil-katalgu attwali",
+    "noModels": "Ma hemm ebda mudell taċ-chat disponibbli. L-ewwel issinkronizza l-mudelli għal dan il-kont.",
+    "message": "Messaġġ",
+    "settingsLink": "Ibdel il-messaġġ fis-Settings tal-AI",
+    "activateFirst": "Attiva dan il-kont qabel tibgħat messaġġ.",
+    "saveModel": "Issejvja l-mudell",
+    "send": "Ibgħat messaġġ tat-test",
+    "saved": "Issejvjat",
+    "answer": "Rispons tal-mudell",
+    "failed": "It-talba falliet. Jekk jogħġbok erġa’ pprova.",
+    "settingsTitle": "Messaġġi manwali tat-test tal-kont",
+    "settingsDescription": "Dan il-messaġġ jintuża mill-buttuni tat-test taħt Connections u Provider Quota. Agħżel il-mudell separatament għal kull kont. L-issejvjar ma jibgħatx messaġġ u ma jattivax pings awtomatiċi.",
+    "saveMessage": "Issejvja l-messaġġ",
+    "defaultModel": "Mudell tat-test predefinit",
+    "defaultModelHint": "Jintuża awtomatikament mill-buttuni tal-Messaġġ ta’ prova għal dan il-kont. Jiġi ssejvjat mal-konnessjoni; ma jintbagħat l-ebda messaġġ."
+  }
 }
diff --git a/src/i18n/messages/my.json b/src/i18n/messages/my.json
index 85e43d724154..a798b858fb9c 100644
--- a/src/i18n/messages/my.json
+++ b/src/i18n/messages/my.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "မူလရင်းမြစ်၏ ပုံသေဆက်တင်များကို ပြန်လည်ရယူမည်",
     "resetToUpstreamDefaultsSuccess": "မူလရင်းမြစ် မော်ဒယ်၏ ပုံသေဆက်တင်များကို ပြန်လည်ရယူပြီးပါပြီ",
     "resetToUpstreamDefaultsFailed": "မူလရင်းမြစ် မော်ဒယ်၏ ပုံသေဆက်တင်များကို ပြန်လည်ရယူ၍မရပါ",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ပုံသေအားဖြင့် မော်ဒယ်စာရင်းကို 6 နာရီတိုင်း အလိုအလျောက် ပြန်လည်ရယူပါ (MODEL_SYNC_INTERVAL_HOURS မှတစ်ဆင့် ပြင်ဆင်သတ်မှတ်နိုင်သည်)",
     "autoSyncEnabled": "အလိုအလျောက် စင့်ခ်လုပ်ခြင်းကို ဖွင့်ထားသည် — မော်ဒယ်များကို အချိန်အပိုင်းအခြားအလိုက် ပြန်လည်စစ်ဆေးမည်",
     "autoSyncDisabled": "အလိုအလျောက် စင့်ခ်လုပ်ခြင်းကို ပိတ်ထားသည်",
     "autoSyncToggleFailed": "အလိုအလျောက် စင့်ခ်လုပ်ခြင်းကို ဖွင့်/ပိတ်၍မရပါ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "ခေတ္တစောင့်ဆိုင်းနေသည်",
     "codexPoolUsed": "အသုံးပြုပြီး",
     "codexPoolUntil": "{value} အထိ",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "အမည်မဖော် အရန်စနစ်",
     "anonymousFallbackDesc": "သတ်မှတ်ထားသော ချိတ်ဆက်မှုအားလုံး ကုန်ဆုံးသွားသောအခါ (ခွဲတမ်း၊ ခရက်ဒစ် သို့မဟုတ် သက်တမ်းကုန်ဆုံးမှုကြောင့်) ဤဝန်ဆောင်မှုပေးသူ၏ keyless အဆင့်ကို ယာယီအသုံးပြုပါ။ အမည်မဖော် တောင်းဆိုမှုများ ပို့မည့်အစား ဤဝန်ဆောင်မှုပေးသူကို ကျော်ရန် ပိတ်ထားပါ — keyless အဆင့်က ၎င်းတို့ကို ပယ်ချသည့်အခါ (401) ပိတ်ထားရန် အကြံပြုသည်။",
     "anonymousFallbackEnabled": "{provider} အတွက် အမည်မဖော် အရန်စနစ်ကို ဖွင့်ထားသည်",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "မော်ဒယ် endpoint ဆက်တင်များကို သိမ်းဆည်းပြီးပါပြီ",
     "searchByModelAria": "မော်ဒယ်ဖြင့် ရှာဖွေရန်",
     "selectSupportedEndpoint": "ပံ့ပိုးထားသော endpoint အနည်းဆုံးတစ်ခုကို ရွေးချယ်ပါ",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "ဆက်တင်များ",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "မိတ်ဖက်လင့်ခ်",
     "dismissAriaLabel": "ပိတ်ရန်"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models catalog တွင် thinking level မူကွဲများ (ဥပမာ -low, -medium, -high) ဖန်တီးခြင်းကို ပိတ်ပါ။"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models catalog တွင် thinking level မူကွဲများ (ဥပမာ -low, -medium, -high) ဖန်တီးခြင်းကို ပိတ်ပါ။",
+  "connectionTest": {
+    "title": "စမ်းသပ်မက်ဆေ့ချ်",
+    "description": "ဤအကောင့်မှတစ်ဆင့် အမှန်တကယ်တောင်းဆိုမှုတစ်ခု ပေးပို့ပါ။ ၎င်းသည် ခွဲတမ်းပမာဏ အနည်းငယ်ကို အသုံးပြုပြီး ဝန်ဆောင်မှုပေးသူအပေါ်မူတည်၍ အသုံးပြုမှုကာလတစ်ခုကို စတင်စေနိုင်သည်။",
+    "loading": "အကောင့်မော်ဒယ်များကို ဖွင့်နေသည်…",
+    "model": "ဤအကောင့်အတွက် မော်ဒယ်ကို စမ်းသပ်ရန်",
+    "chooseModel": "မော်ဒယ်တစ်ခု ရွေးချယ်ပါ",
+    "unavailable": "လက်ရှိကတ်တလောက်တွင် မရှိပါ",
+    "noModels": "စကားပြောမော်ဒယ်များ မရရှိနိုင်ပါ။ ဤအကောင့်အတွက် မော်ဒယ်များကို ဦးစွာ စင့်ခ်လုပ်ပါ။",
+    "message": "မက်ဆေ့ချ်",
+    "settingsLink": "AI Settings တွင် မက်ဆေ့ချ်ကို ပြောင်းလဲပါ",
+    "activateFirst": "မက်ဆေ့ချ်မပို့မီ ဤအကောင့်ကို အသက်သွင်းပါ။",
+    "saveModel": "မော်ဒယ်ကို သိမ်းဆည်းပါ",
+    "send": "စမ်းသပ်မက်ဆေ့ချ် ပို့ပါ",
+    "saved": "သိမ်းဆည်းပြီးပါပြီ",
+    "answer": "မော်ဒယ်၏ တုံ့ပြန်ချက်",
+    "failed": "တောင်းဆိုမှု မအောင်မြင်ပါ။ ထပ်မံကြိုးစားပါ။",
+    "settingsTitle": "အကောင့်ကို ကိုယ်တိုင်စမ်းသပ်ရန် မက်ဆေ့ချ်များ",
+    "settingsDescription": "ဤမက်ဆေ့ချ်ကို Connections နှင့် Provider Quota အောက်ရှိ စမ်းသပ်ခလုတ်များက အသုံးပြုသည်။ အကောင့်တစ်ခုစီအတွက် မော်ဒယ်ကို သီးခြားရွေးချယ်ပါ။ သိမ်းဆည်းခြင်းသည် မက်ဆေ့ချ်ပို့ခြင်း သို့မဟုတ် အလိုအလျောက် ping လုပ်ဆောင်မှုများကို ဖွင့်ခြင်း မပြုပါ။",
+    "saveMessage": "မက်ဆေ့ချ်ကို သိမ်းဆည်းပါ",
+    "defaultModel": "ပုံသေ စမ်းသပ်မော်ဒယ်",
+    "defaultModelHint": "ဤအကောင့်အတွက် စမ်းသပ်မက်ဆေ့ချ် ခလုတ်များက အလိုအလျောက် အသုံးပြုသည်။ ချိတ်ဆက်မှုနှင့်အတူ သိမ်းဆည်းထားပြီး မည်သည့်မက်ဆေ့ချ်ကိုမျှ ပေးပို့မည်မဟုတ်ပါ။"
+  }
 }
diff --git a/src/i18n/messages/ne.json b/src/i18n/messages/ne.json
index 6d9c9949b592..acb82bb62de8 100644
--- a/src/i18n/messages/ne.json
+++ b/src/i18n/messages/ne.json
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "प्रतीक्षा अवधिमा",
     "codexPoolUsed": "प्रयोग गरिएको",
     "codexPoolUntil": "{value} सम्म",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "बेनामी फलब्याक",
     "anonymousFallbackDesc": "कन्फिगर गरिएका सबै जडानहरू सकिएपछि (कोटा, क्रेडिट वा म्याद सकिँदा), अस्थायी रूपमा यस प्रदायकको keyless टियर प्रयोग गर्नुहोस्। बेनामी अनुरोधहरू पठाउनुको सट्टा यस प्रदायकलाई छोड्न यसलाई बन्द गर्नुहोस् — keyless टियरले ती अनुरोधहरू अस्वीकार गर्दा (401) यसो गर्न सिफारिस गरिन्छ।",
     "anonymousFallbackEnabled": "{provider} का लागि बेनामी फलब्याक सक्षम गरियो",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "मोडेल अन्त्यबिन्दु सेटिङहरू सुरक्षित गरियो",
     "searchByModelAria": "मोडेलद्वारा खोज्नुहोस्",
     "selectSupportedEndpoint": "कम्तीमा एउटा समर्थित अन्त्यबिन्दु चयन गर्नुहोस्",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "सेटिङहरू",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "साझेदार लिङ्क",
     "dismissAriaLabel": "बन्द गर्नुहोस्"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models क्याटलगमा सोचाइ स्तरका भेरियन्टहरू (जस्तै -low, -medium, -high) उत्पन्न गर्ने सुविधा निष्क्रिय गर्नुहोस्।"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models क्याटलगमा सोचाइ स्तरका भेरियन्टहरू (जस्तै -low, -medium, -high) उत्पन्न गर्ने सुविधा निष्क्रिय गर्नुहोस्।",
+  "connectionTest": {
+    "title": "परीक्षण सन्देश",
+    "description": "यस खातामार्फत एउटा वास्तविक अनुरोध पठाउनुहोस्। यसले थोरै कोटा प्रयोग गर्छ र प्रदायकअनुसार प्रयोग अवधि सुरु गर्न सक्छ।",
+    "loading": "खाताका मोडेलहरू लोड हुँदैछन्…",
+    "model": "यस खाताका लागि परीक्षण मोडेल",
+    "chooseModel": "एउटा मोडेल छान्नुहोस्",
+    "unavailable": "हालको क्याटलगमा छैन",
+    "noModels": "कुनै च्याट मोडेल उपलब्ध छैन। पहिले यस खाताका मोडेलहरू सिंक गर्नुहोस्।",
+    "message": "सन्देश",
+    "settingsLink": "AI सेटिङहरूमा सन्देश परिवर्तन गर्नुहोस्",
+    "activateFirst": "सन्देश पठाउनुअघि यो खाता सक्रिय गर्नुहोस्।",
+    "saveModel": "मोडेल सुरक्षित गर्नुहोस्",
+    "send": "परीक्षण सन्देश पठाउनुहोस्",
+    "saved": "सुरक्षित गरियो",
+    "answer": "मोडेलको प्रतिक्रिया",
+    "failed": "अनुरोध असफल भयो। कृपया फेरि प्रयास गर्नुहोस्।",
+    "settingsTitle": "खाताका म्यानुअल परीक्षण सन्देशहरू",
+    "settingsDescription": "यो सन्देश Connections र Provider Quota अन्तर्गतका परीक्षण बटनहरूले प्रयोग गर्छन्। प्रत्येक खाताका लागि छुट्टाछुट्टै मोडेल छान्नुहोस्। सुरक्षित गर्दा सन्देश पठाइँदैन वा स्वचालित पिङहरू सक्षम हुँदैनन्।",
+    "saveMessage": "सन्देश सुरक्षित गर्नुहोस्",
+    "defaultModel": "पूर्वनिर्धारित परीक्षण मोडेल",
+    "defaultModelHint": "यस खाताका Test message बटनहरूले स्वचालित रूपमा प्रयोग गर्छन्। कनेक्सनसँगै सुरक्षित गरिन्छ; कुनै सन्देश पठाइँदैन।"
+  }
 }
diff --git a/src/i18n/messages/nl.json b/src/i18n/messages/nl.json
index 9b5758e8cee0..61ce84be5e8b 100644
--- a/src/i18n/messages/nl.json
+++ b/src/i18n/messages/nl.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Herstel upstream standaardinstellingen",
     "resetToUpstreamDefaultsSuccess": "Herstelde standaardinstellingen van upstream-model",
     "resetToUpstreamDefaultsFailed": "Het is niet gelukt om de standaardinstellingen van het upstream-model te herstellen",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Modellenlijst standaard elke 6 uur automatisch vernieuwen (configureerbaar via MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatische synchronisatie ingeschakeld: modellen worden periodiek vernieuwd",
     "autoSyncDisabled": "Automatische synchronisatie uitgeschakeld",
     "autoSyncToggleFailed": "Kan automatische synchronisatie niet in- of uitschakelen",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "In afkoelperiode",
     "codexPoolUsed": "gebruikt",
     "codexPoolUntil": "Tot {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonieme fallback",
     "anonymousFallbackDesc": "Wanneer alle geconfigureerde verbindingen zijn uitgeput (quota, tegoeden of vervaldatum), gebruik tijdelijk de keyless-laag van deze provider. Zet uit om deze provider over te slaan in plaats van anonieme verzoeken te verzenden - aanbevolen wanneer de keyless-laag deze afwijst (401).",
     "anonymousFallbackEnabled": "Anonieme fallback ingeschakeld voor {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Instellingen voor opgeslagen model-eindpunt",
     "searchByModelAria": "Zoeken op model",
     "selectSupportedEndpoint": "Selecteer ten minste één ondersteunde eindpunt",
-    "antigravityClientProfileHarness": "Testomgeving / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testomgeving / CLI"
   },
   "settings": {
     "title": "Instellingen",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlink",
     "dismissAriaLabel": "Sluiten"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Schakel het genereren van varianten op denkniveau (bijv. -low, -medium, -high) in de catalogus /v1/models uit."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Schakel het genereren van varianten op denkniveau (bijv. -low, -medium, -high) in de catalogus /v1/models uit.",
+  "connectionTest": {
+    "title": "Testbericht",
+    "description": "Stuur één echt verzoek via dit account. Dit gebruikt een kleine hoeveelheid quotum en kan, afhankelijk van de provider, een gebruiksperiode starten.",
+    "loading": "Accountmodellen laden…",
+    "model": "Testmodel voor dit account",
+    "chooseModel": "Kies een model",
+    "unavailable": "niet in de huidige catalogus",
+    "noModels": "Geen chatmodellen beschikbaar. Synchroniseer eerst de modellen voor dit account.",
+    "message": "Bericht",
+    "settingsLink": "Wijzig het bericht in AI-instellingen",
+    "activateFirst": "Activeer dit account voordat je een bericht verstuurt.",
+    "saveModel": "Model opslaan",
+    "send": "Testbericht versturen",
+    "saved": "Opgeslagen",
+    "answer": "Modelantwoord",
+    "failed": "Het verzoek is mislukt. Probeer het opnieuw.",
+    "settingsTitle": "Handmatige accounttestberichten",
+    "settingsDescription": "Dit bericht wordt gebruikt door de testknoppen onder Verbindingen en Providerquotum. Kies het model voor elk account afzonderlijk. Opslaan verstuurt geen bericht en schakelt geen automatische pings in.",
+    "saveMessage": "Bericht opslaan",
+    "defaultModel": "Standaard testmodel",
+    "defaultModelHint": "Wordt automatisch gebruikt door de knoppen Bericht testen voor dit account. Wordt bij de verbinding opgeslagen; er wordt geen bericht verzonden."
+  }
 }
diff --git a/src/i18n/messages/no.json b/src/i18n/messages/no.json
index 22e4042905af..cda1c5a99e0d 100644
--- a/src/i18n/messages/no.json
+++ b/src/i18n/messages/no.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Gjenopprett upstream-standardinnstillinger",
     "resetToUpstreamDefaultsSuccess": "Gjenopprettet upstream-modellinnstillinger",
     "resetToUpstreamDefaultsFailed": "Kunne ikke gjenopprette standardinnstillinger for upstream-modellen",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Oppdater modellisten automatisk hver 6. time som standard (kan konfigureres via MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatisk synkronisering aktivert – modellene oppdateres med jevne mellomrom",
     "autoSyncDisabled": "Automatisk synkronisering er deaktivert",
     "autoSyncToggleFailed": "Kunne ikke slå på automatisk synkronisering",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "I nedkjølingsperiode",
     "codexPoolUsed": "brukt",
     "codexPoolUntil": "Til {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonym fallback",
     "anonymousFallbackDesc": "Når alle konfigurerte tilkoblinger er brukt opp (kvote, kreditter eller utløp), bruk midlertidig denne leverandørens nøkkelløse nivå. Slå av for å hoppe over denne leverandøren i stedet for å sende anonyme forespørsel — anbefales når det nøkkelløse nivået avviser dem (401).",
     "anonymousFallbackEnabled": "Anonym fallback aktivert for {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Innstillinger for lagrede modellendepunkter",
     "searchByModelAria": "Søk etter modell",
     "selectSupportedEndpoint": "Velg minst ett støttet endepunkt",
-    "antigravityClientProfileHarness": "Rammeverk / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Rammeverk / CLI"
   },
   "settings": {
     "title": "Innstillinger",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlenke",
     "dismissAriaLabel": "Lukk"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktiver generering av varianter for resonneringsnivå (f.eks. -low, -medium, -high) i /v1/models-katalogen."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Deaktiver generering av varianter for resonneringsnivå (f.eks. -low, -medium, -high) i /v1/models-katalogen.",
+  "connectionTest": {
+    "title": "Testmelding",
+    "description": "Send én reell forespørsel gjennom denne kontoen. Dette bruker en liten del av kvoten og kan starte et bruksvindu, avhengig av leverandøren.",
+    "loading": "Laster inn kontomodeller…",
+    "model": "Testmodell for denne kontoen",
+    "chooseModel": "Velg en modell",
+    "unavailable": "ikke i den gjeldende katalogen",
+    "noModels": "Ingen chatmodeller er tilgjengelige. Synkroniser modellene for denne kontoen først.",
+    "message": "Melding",
+    "settingsLink": "Endre meldingen i AI-innstillinger",
+    "activateFirst": "Aktiver denne kontoen før du sender en melding.",
+    "saveModel": "Lagre modell",
+    "send": "Send testmelding",
+    "saved": "Lagret",
+    "answer": "Modellsvar",
+    "failed": "Forespørselen mislyktes. Prøv på nytt.",
+    "settingsTitle": "Manuelle kontotestmeldinger",
+    "settingsDescription": "Denne meldingen brukes av testknappene under Tilkoblinger og Leverandørkvote. Velg modellen separat for hver konto. Lagring sender ikke en melding eller aktiverer automatiske ping.",
+    "saveMessage": "Lagre melding",
+    "defaultModel": "Standard testmodell",
+    "defaultModelHint": "Brukes automatisk av knappene for testmeldinger for denne kontoen. Lagres sammen med tilkoblingen; ingen melding sendes."
+  }
 }
diff --git a/src/i18n/messages/or.json b/src/i18n/messages/or.json
index 625e18be4d4b..36456b3df82e 100644
--- a/src/i18n/messages/or.json
+++ b/src/i18n/messages/or.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "ଅପ୍ଷ୍ଟ୍ରିମ୍ ଡିଫଲ୍ଟଗୁଡ଼ିକୁ ପୁନଃସ୍ଥାପନ କରନ୍ତୁ",
     "resetToUpstreamDefaultsSuccess": "ଅପ୍ଷ୍ଟ୍ରିମ୍ ମଡେଲ୍ର ଡିଫଲ୍ଟଗୁଡ଼ିକ ପୁନଃସ୍ଥାପିତ ହେଲା",
     "resetToUpstreamDefaultsFailed": "ଅପ୍ଷ୍ଟ୍ରିମ୍ ମଡେଲ୍ର ଡିଫଲ୍ଟଗୁଡ଼ିକୁ ପୁନଃସ୍ଥାପନ କରିବାରେ ବିଫଳ",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ଡିଫଲ୍ଟ ଭାବେ ପ୍ରତି 6hରେ ମଡେଲ୍ ତାଲିକା ସ୍ୱୟଂଚାଳିତ ଭାବେ ରିଫ୍ରେଶ୍ କରନ୍ତୁ (MODEL_SYNC_INTERVAL_HOURS ମାଧ୍ୟମରେ ବିନ୍ୟାସଯୋଗ୍ୟ)",
     "autoSyncEnabled": "ସ୍ୱୟଂ-ସିଙ୍କ୍ ସକ୍ଷମ ହୋଇଛି — ମଡେଲ୍ଗୁଡ଼ିକ ସମୟାନୁସାରେ ସତେଜ ହେବ",
     "autoSyncDisabled": "ସ୍ୱୟଂ-ସିଙ୍କ୍ ଅକ୍ଷମ ହୋଇଛି",
     "autoSyncToggleFailed": "ସ୍ୱୟଂ-ସିଙ୍କ୍ ଟୋଗଲ୍ କରାଯାଇପାରିଲା ନାହିଁ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "କୁଲ୍ଡାଉନ୍ ଚାଲିଛି",
     "codexPoolUsed": "ବ୍ୟବହୃତ",
     "codexPoolUntil": "{value} ପର୍ଯ୍ୟନ୍ତ",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ଅନାମିକ ଫଲ୍ବ୍ୟାକ୍",
     "anonymousFallbackDesc": "କନଫିଗର୍ କରାଯାଇଥିବା ସମସ୍ତ କନେକ୍ସନ୍ର କୋଟା, କ୍ରେଡିଟ୍ କିମ୍ବା ମିଆଦ ଶେଷ ହୋଇଗଲେ, ଏହି ପ୍ରଦାତାଙ୍କ କୀ-ବିହୀନ ସ୍ତରକୁ ଅସ୍ଥାୟୀ ଭାବେ ବ୍ୟବହାର କରନ୍ତୁ। ଅନାମିକ ଅନୁରୋଧ ପଠାଇବା ପରିବର୍ତ୍ତେ ଏହି ପ୍ରଦାତାଙ୍କୁ ଏଡ଼ାଇବା ପାଇଁ ଏହାକୁ ବନ୍ଦ କରନ୍ତୁ — କୀ-ବିହୀନ ସ୍ତର ସେଗୁଡ଼ିକୁ ପ୍ରତ୍ୟାଖ୍ୟାନ କଲେ (401) ଏହା ସୁପାରିଶ କରାଯାଏ।",
     "anonymousFallbackEnabled": "{provider} ପାଇଁ ଅନାମିକ ଫଲ୍ବ୍ୟାକ୍ ସକ୍ଷମ ହୋଇଛି",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "ମଡେଲ୍ ଏଣ୍ଡପଏଣ୍ଟ ସେଟିଂସ୍ ସଞ୍ଚୟ ହୋଇଛି",
     "searchByModelAria": "ମଡେଲ୍ ଅନୁସାରେ ସନ୍ଧାନ କରନ୍ତୁ",
     "selectSupportedEndpoint": "ଅତି କମରେ ଗୋଟିଏ ସମର୍ଥିତ ଏଣ୍ଡପଏଣ୍ଟ ବାଛନ୍ତୁ",
-    "antigravityClientProfileHarness": "ହାର୍ନେସ୍ / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "ହାର୍ନେସ୍ / CLI"
   },
   "settings": {
     "title": "ସେଟିଂସ୍",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "ସହଭାଗୀ ଲିଙ୍କ୍",
     "dismissAriaLabel": "ବନ୍ଦ କରନ୍ତୁ"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models କ୍ୟାଟାଲଗ୍ରେ ଚିନ୍ତନ ସ୍ତର ଭାରିଆଣ୍ଟଗୁଡ଼ିକର (ଯଥା -low, -medium, -high) ସୃଷ୍ଟିକୁ ଅକ୍ଷମ କରନ୍ତୁ।"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models କ୍ୟାଟାଲଗ୍ରେ ଚିନ୍ତନ ସ୍ତର ଭାରିଆଣ୍ଟଗୁଡ଼ିକର (ଯଥା -low, -medium, -high) ସୃଷ୍ଟିକୁ ଅକ୍ଷମ କରନ୍ତୁ।",
+  "connectionTest": {
+    "title": "ପରୀକ୍ଷଣ ସନ୍ଦେଶ",
+    "description": "ଏହି ଆକାଉଣ୍ଟ ମାଧ୍ୟମରେ ଗୋଟିଏ ପ୍ରକୃତ ଅନୁରୋଧ ପଠାନ୍ତୁ। ଏଥିରେ ଅଳ୍ପ ପରିମାଣର କୋଟା ବ୍ୟବହାର ହୁଏ ଏବଂ ପ୍ରଦାନକାରୀଙ୍କ ଉପରେ ନିର୍ଭର କରି ଏହା ଏକ ବ୍ୟବହାର ଅବଧି ଆରମ୍ଭ କରିପାରେ।",
+    "loading": "ଆକାଉଣ୍ଟ ମଡେଲ୍ଗୁଡ଼ିକ ଲୋଡ୍ ହେଉଛି…",
+    "model": "ଏହି ଆକାଉଣ୍ଟ ପାଇଁ ପରୀକ୍ଷଣ ମଡେଲ୍",
+    "chooseModel": "ଗୋଟିଏ ମଡେଲ୍ ବାଛନ୍ତୁ",
+    "unavailable": "ବର୍ତ୍ତମାନର କ୍ୟାଟାଲଗ୍ରେ ନାହିଁ",
+    "noModels": "କୌଣସି ଚାଟ୍ ମଡେଲ୍ ଉପଲବ୍ଧ ନାହିଁ। ପ୍ରଥମେ ଏହି ଆକାଉଣ୍ଟ ପାଇଁ ମଡେଲ୍ଗୁଡ଼ିକୁ ସିଙ୍କ୍ କରନ୍ତୁ।",
+    "message": "ସନ୍ଦେଶ",
+    "settingsLink": "AI ସେଟିଂସ୍ରେ ସନ୍ଦେଶଟି ପରିବର୍ତ୍ତନ କରନ୍ତୁ",
+    "activateFirst": "ସନ୍ଦେଶ ପଠାଇବା ପୂର୍ବରୁ ଏହି ଆକାଉଣ୍ଟକୁ ସକ୍ରିୟ କରନ୍ତୁ।",
+    "saveModel": "ମଡେଲ୍ ସଞ୍ଚୟ କରନ୍ତୁ",
+    "send": "ପରୀକ୍ଷଣ ସନ୍ଦେଶ ପଠାନ୍ତୁ",
+    "saved": "ସଞ୍ଚୟ ହୋଇଛି",
+    "answer": "ମଡେଲ୍ର ପ୍ରତିକ୍ରିୟା",
+    "failed": "ଅନୁରୋଧଟି ବିଫଳ ହୋଇଛି। ଦୟାକରି ପୁଣି ଚେଷ୍ଟା କରନ୍ତୁ।",
+    "settingsTitle": "ମାନୁଆଲ୍ ଆକାଉଣ୍ଟ ପରୀକ୍ଷଣ ସନ୍ଦେଶଗୁଡ଼ିକ",
+    "settingsDescription": "ଏହି ସନ୍ଦେଶଟି Connections ଏବଂ Provider Quota ଅଧୀନରେ ଥିବା ପରୀକ୍ଷଣ ବଟନ୍ଗୁଡ଼ିକ ଦ୍ୱାରା ବ୍ୟବହୃତ ହୁଏ। ପ୍ରତ୍ୟେକ ଆକାଉଣ୍ଟ ପାଇଁ ଅଲଗା ଭାବେ ମଡେଲ୍ ବାଛନ୍ତୁ। ସଞ୍ଚୟ କରିବା ଦ୍ୱାରା କୌଣସି ସନ୍ଦେଶ ପଠାଯାଏ ନାହିଁ କିମ୍ବା ସ୍ୱୟଂଚାଳିତ ପିଙ୍ଗ୍ ସକ୍ରିୟ ହୁଏ ନାହିଁ।",
+    "saveMessage": "ସନ୍ଦେଶ ସଞ୍ଚୟ କରନ୍ତୁ",
+    "defaultModel": "ଡିଫଲ୍ଟ ପରୀକ୍ଷଣ ମଡେଲ୍",
+    "defaultModelHint": "ଏହି ଆକାଉଣ୍ଟ ପାଇଁ ‘Test message’ ବଟନଗୁଡ଼ିକ ଦ୍ୱାରା ସ୍ୱୟଂଚାଳିତ ଭାବେ ବ୍ୟବହୃତ ହୁଏ। ସଂଯୋଗ ସହିତ ସଞ୍ଚୟ ହୁଏ; କୌଣସି ସନ୍ଦେଶ ପଠାଯାଏ ନାହିଁ।"
+  }
 }
diff --git a/src/i18n/messages/pa.json b/src/i18n/messages/pa.json
index 21ae8692e052..f68d4d5fc1d7 100644
--- a/src/i18n/messages/pa.json
+++ b/src/i18n/messages/pa.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "ਅੱਪਸਟ੍ਰੀਮ ਡਿਫੌਲਟ ਮੁੜ-ਬਹਾਲ ਕਰੋ",
     "resetToUpstreamDefaultsSuccess": "ਅੱਪਸਟ੍ਰੀਮ ਮਾਡਲ ਦੇ ਡਿਫੌਲਟ ਮੁੜ-ਬਹਾਲ ਕੀਤੇ ਗਏ",
     "resetToUpstreamDefaultsFailed": "ਅੱਪਸਟ੍ਰੀਮ ਮਾਡਲ ਦੇ ਡਿਫੌਲਟ ਮੁੜ-ਬਹਾਲ ਕਰਨ ਵਿੱਚ ਅਸਫਲ",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "ਮੂਲ ਰੂਪ ਵਿੱਚ ਹਰ 6 ਘੰਟਿਆਂ ਬਾਅਦ ਮਾਡਲ ਸੂਚੀ ਨੂੰ ਆਪਣੇ-ਆਪ ਤਾਜ਼ਾ ਕਰੋ (MODEL_SYNC_INTERVAL_HOURS ਰਾਹੀਂ ਸੰਰਚਨਾਯੋਗ)",
     "autoSyncEnabled": "ਆਟੋ-ਸਿੰਕ ਸਮਰੱਥ ਹੈ — ਮਾਡਲ ਸਮੇਂ-ਸਮੇਂ 'ਤੇ ਤਾਜ਼ਾ ਕੀਤੇ ਜਾਣਗੇ",
     "autoSyncDisabled": "ਆਟੋ-ਸਿੰਕ ਅਸਮਰੱਥ ਹੈ",
     "autoSyncToggleFailed": "ਆਟੋ-ਸਿੰਕ ਸੈਟਿੰਗ ਬਦਲਣ ਵਿੱਚ ਅਸਫਲ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "ਕੂਲਡਾਊਨ ਜਾਰੀ ਹੈ",
     "codexPoolUsed": "ਵਰਤਿਆ ਗਿਆ",
     "codexPoolUntil": "{value} ਤੱਕ",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "ਅਗਿਆਤ ਫਾਲਬੈਕ",
     "anonymousFallbackDesc": "ਜਦੋਂ ਸਾਰੇ ਸੰਰਚਿਤ ਕਨੈਕਸ਼ਨ ਖ਼ਤਮ ਹੋ ਜਾਣ (ਕੋਟਾ, ਕ੍ਰੈਡਿਟ ਜਾਂ ਮਿਆਦ), ਤਾਂ ਅਸਥਾਈ ਤੌਰ 'ਤੇ ਇਸ ਪ੍ਰਦਾਤਾ ਦਾ ਕੁੰਜੀ-ਰਹਿਤ ਟੀਅਰ ਵਰਤੋ। ਅਗਿਆਤ ਬੇਨਤੀਆਂ ਭੇਜਣ ਦੀ ਬਜਾਏ ਇਸ ਪ੍ਰਦਾਤਾ ਨੂੰ ਛੱਡਣ ਲਈ ਇਸਨੂੰ ਬੰਦ ਕਰੋ — ਜਦੋਂ ਕੁੰਜੀ-ਰਹਿਤ ਟੀਅਰ ਉਨ੍ਹਾਂ ਨੂੰ ਅਸਵੀਕਾਰ ਕਰਦਾ ਹੈ (401), ਤਾਂ ਇਹ ਸਿਫ਼ਾਰਸ਼ ਕੀਤੀ ਜਾਂਦੀ ਹੈ।",
     "anonymousFallbackEnabled": "{provider} ਲਈ ਅਗਿਆਤ ਫਾਲਬੈਕ ਸਮਰੱਥ ਕੀਤਾ ਗਿਆ",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "ਮਾਡਲ ਐਂਡਪੌਇੰਟ ਸੈਟਿੰਗਾਂ ਸੰਭਾਲੀਆਂ ਗਈਆਂ",
     "searchByModelAria": "ਮਾਡਲ ਦੁਆਰਾ ਖੋਜੋ",
     "selectSupportedEndpoint": "ਘੱਟੋ-ਘੱਟ ਇੱਕ ਸਮਰਥਿਤ ਐਂਡਪੌਇੰਟ ਚੁਣੋ",
-    "antigravityClientProfileHarness": "ਹਾਰਨੈੱਸ / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "ਹਾਰਨੈੱਸ / CLI"
   },
   "settings": {
     "title": "ਸੈਟਿੰਗਾਂ",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "ਭਾਈਵਾਲ ਲਿੰਕ",
     "dismissAriaLabel": "ਬੰਦ ਕਰੋ"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ਕੈਟਾਲਾਗ ਵਿੱਚ ਸੋਚਣ ਦੇ ਪੱਧਰ ਦੇ ਰੂਪਾਂ (ਉਦਾਹਰਨ ਲਈ -low, -medium, -high) ਦੀ ਰਚਨਾ ਨੂੰ ਅਯੋਗ ਕਰੋ।"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models ਕੈਟਾਲਾਗ ਵਿੱਚ ਸੋਚਣ ਦੇ ਪੱਧਰ ਦੇ ਰੂਪਾਂ (ਉਦਾਹਰਨ ਲਈ -low, -medium, -high) ਦੀ ਰਚਨਾ ਨੂੰ ਅਯੋਗ ਕਰੋ।",
+  "connectionTest": {
+    "title": "ਟੈਸਟ ਸੁਨੇਹਾ",
+    "description": "ਇਸ ਖਾਤੇ ਰਾਹੀਂ ਇੱਕ ਅਸਲ ਬੇਨਤੀ ਭੇਜੋ। ਇਹ ਕੋਟੇ ਦੀ ਥੋੜ੍ਹੀ ਮਾਤਰਾ ਵਰਤਦਾ ਹੈ ਅਤੇ ਪ੍ਰਦਾਤਾ ਦੇ ਅਨੁਸਾਰ ਵਰਤੋਂ ਦੀ ਮਿਆਦ ਸ਼ੁਰੂ ਕਰ ਸਕਦਾ ਹੈ।",
+    "loading": "ਖਾਤੇ ਦੇ ਮਾਡਲ ਲੋਡ ਕੀਤੇ ਜਾ ਰਹੇ ਹਨ…",
+    "model": "ਇਸ ਖਾਤੇ ਲਈ ਮਾਡਲ ਦੀ ਜਾਂਚ ਕਰੋ",
+    "chooseModel": "ਇੱਕ ਮਾਡਲ ਚੁਣੋ",
+    "unavailable": "ਮੌਜੂਦਾ ਕੈਟਾਲਾਗ ਵਿੱਚ ਨਹੀਂ ਹੈ",
+    "noModels": "ਕੋਈ ਚੈਟ ਮਾਡਲ ਉਪਲਬਧ ਨਹੀਂ ਹੈ। ਪਹਿਲਾਂ ਇਸ ਖਾਤੇ ਲਈ ਮਾਡਲਾਂ ਨੂੰ ਸਿੰਕ ਕਰੋ।",
+    "message": "ਸੁਨੇਹਾ",
+    "settingsLink": "AI Settings ਵਿੱਚ ਸੁਨੇਹਾ ਬਦਲੋ",
+    "activateFirst": "ਸੁਨੇਹਾ ਭੇਜਣ ਤੋਂ ਪਹਿਲਾਂ ਇਸ ਖਾਤੇ ਨੂੰ ਸਰਗਰਮ ਕਰੋ।",
+    "saveModel": "ਮਾਡਲ ਸੰਭਾਲੋ",
+    "send": "ਟੈਸਟ ਸੁਨੇਹਾ ਭੇਜੋ",
+    "saved": "ਸੰਭਾਲਿਆ ਗਿਆ",
+    "answer": "ਮਾਡਲ ਦਾ ਜਵਾਬ",
+    "failed": "ਬੇਨਤੀ ਅਸਫਲ ਰਹੀ। ਕਿਰਪਾ ਕਰਕੇ ਦੁਬਾਰਾ ਕੋਸ਼ਿਸ਼ ਕਰੋ।",
+    "settingsTitle": "ਖਾਤੇ ਦੇ ਹੱਥੀਂ ਭੇਜੇ ਟੈਸਟ ਸੁਨੇਹੇ",
+    "settingsDescription": "ਇਹ ਸੁਨੇਹਾ Connections ਅਤੇ Provider Quota ਦੇ ਅਧੀਨ ਟੈਸਟ ਬਟਨਾਂ ਦੁਆਰਾ ਵਰਤਿਆ ਜਾਂਦਾ ਹੈ। ਹਰੇਕ ਖਾਤੇ ਲਈ ਮਾਡਲ ਵੱਖਰੇ ਤੌਰ 'ਤੇ ਚੁਣੋ। ਸੰਭਾਲਣ ਨਾਲ ਕੋਈ ਸੁਨੇਹਾ ਨਹੀਂ ਭੇਜਿਆ ਜਾਂਦਾ ਅਤੇ ਨਾ ਹੀ ਸਵੈਚਾਲਿਤ ਪਿੰਗ ਸਮਰੱਥ ਹੁੰਦੇ ਹਨ।",
+    "saveMessage": "ਸੁਨੇਹਾ ਸੰਭਾਲੋ",
+    "defaultModel": "ਡਿਫੌਲਟ ਟੈਸਟ ਮਾਡਲ",
+    "defaultModelHint": "ਇਸ ਖਾਤੇ ਲਈ ਟੈਸਟ ਸੁਨੇਹਾ ਬਟਨਾਂ ਦੁਆਰਾ ਆਪਣੇ ਆਪ ਵਰਤਿਆ ਜਾਂਦਾ ਹੈ। ਕਨੈਕਸ਼ਨ ਦੇ ਨਾਲ ਸੁਰੱਖਿਅਤ ਕੀਤਾ ਜਾਂਦਾ ਹੈ; ਕੋਈ ਸੁਨੇਹਾ ਨਹੀਂ ਭੇਜਿਆ ਜਾਂਦਾ।"
+  }
 }
diff --git a/src/i18n/messages/phi.json b/src/i18n/messages/phi.json
index ed20dd8de083..8cc0a112caef 100644
--- a/src/i18n/messages/phi.json
+++ b/src/i18n/messages/phi.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Ibalik ang mga default ng upstream",
     "resetToUpstreamDefaultsSuccess": "Ibinalik ang mga default ng upstream model",
     "resetToUpstreamDefaultsFailed": "Nabigong maibalik ang mga default ng upstream model",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Awtomatikong i-refresh ang listahan ng modelo kada 6 na oras bilang default (maaaring i-configure sa pamamagitan ng MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Pinagana ang auto-sync — pana-panahong magre-refresh ang mga modelo",
     "autoSyncDisabled": "Na-disable ang auto-sync",
     "autoSyncToggleFailed": "Nabigong i-toggle ang auto-sync",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Nasa panahon ng paghihintay",
     "codexPoolUsed": "nagamit",
     "codexPoolUntil": "Hanggang {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonymous na fallback",
     "anonymousFallbackDesc": "Kapag naubos na ang lahat ng nakatakdang koneksyon (quota, kredito, o pag-expire), pansamantalang gamitin ang keyless tier ng provider na ito. Patayin upang laktawan ang provider na ito sa halip na magpadala ng mga hindi nagpapakilalang kahilingan — inirerekomenda kapag tinanggihan ng keyless tier ang mga ito (401).",
     "anonymousFallbackEnabled": "Naka-enable ang anonymous fallback para sa {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Naka-save na mga setting ng endpoint ng modelo",
     "searchByModelAria": "Maghanap ayon sa modelo",
     "selectSupportedEndpoint": "Pumili ng hindi bababa sa isang sinusuportahang endpoint",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Mga setting",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link ng partner",
     "dismissAriaLabel": "Isara"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Huwag paganahin ang pagbuo ng mga variant ng antas ng pag-iisip (hal. -low, -medium, -high) sa katalogong /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Huwag paganahin ang pagbuo ng mga variant ng antas ng pag-iisip (hal. -low, -medium, -high) sa katalogong /v1/models.",
+  "connectionTest": {
+    "title": "Mensahe para sa pagsubok",
+    "description": "Magpadala ng isang totoong kahilingan gamit ang account na ito. Gumagamit ito ng kaunting quota at maaaring magsimula ng panahon ng paggamit, depende sa provider.",
+    "loading": "Nilo-load ang mga modelo ng account…",
+    "model": "Subukang modelo para sa account na ito",
+    "chooseModel": "Pumili ng modelo",
+    "unavailable": "wala sa kasalukuyang katalogo",
+    "noModels": "Walang available na modelo para sa chat. I-sync muna ang mga modelo para sa account na ito.",
+    "message": "Mensahe",
+    "settingsLink": "Baguhin ang mensahe sa AI Settings",
+    "activateFirst": "I-activate ang account na ito bago magpadala ng mensahe.",
+    "saveModel": "I-save ang modelo",
+    "send": "Ipadala ang mensahe para sa pagsubok",
+    "saved": "Na-save",
+    "answer": "Tugon ng modelo",
+    "failed": "Nabigo ang kahilingan. Pakisubukang muli.",
+    "settingsTitle": "Mga manu-manong mensahe para sa pagsubok ng account",
+    "settingsDescription": "Ginagamit ang mensaheng ito ng mga button para sa pagsubok sa ilalim ng Connections at Provider Quota. Piliin nang hiwalay ang modelo para sa bawat account. Ang pag-save ay hindi nagpapadala ng mensahe o nagpapagana ng mga awtomatikong ping.",
+    "saveMessage": "I-save ang mensahe",
+    "defaultModel": "Default na modelo para sa pagsubok",
+    "defaultModelHint": "Awtomatikong ginagamit ng mga button na Test message para sa account na ito. Sine-save kasama ng koneksyon; walang ipinapadalang mensahe."
+  }
 }
diff --git a/src/i18n/messages/pl.json b/src/i18n/messages/pl.json
index 8f2ea97b4822..f25932992106 100644
--- a/src/i18n/messages/pl.json
+++ b/src/i18n/messages/pl.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Przywróć domyślne ustawienia upstream",
     "resetToUpstreamDefaultsSuccess": "Przywrócono domyślne ustawienia modelu upstream",
     "resetToUpstreamDefaultsFailed": "Nie udało się przywrócić domyślnych ustawień modelu upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Domyślnie automatycznie odświeżaj listę modeli co 6 godz. (można skonfigurować za pomocą MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Auto-sync włączony — models będą odświeżane okresowo",
     "autoSyncDisabled": "Auto-sync wyłączony",
     "autoSyncToggleFailed": "Nie udało się przełączyć auto-sync",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "W okresie oczekiwania",
     "codexPoolUsed": "wykorzystano",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonimowe zapasowe",
     "anonymousFallbackDesc": "Gdy wszystkie skonfigurowane połączenia są wyczerpane (kwota, kredyty lub wygaśnięcie), tymczasowo użyj bezkluczowego poziomu tego dostawcy. Wyłącz, aby pominąć tego dostawcę zamiast wysyłać anonimowe żądania — zalecane, gdy bezkluczowy poziom je odrzuca (401).",
     "anonymousFallbackEnabled": "Anonimowe przełączanie włączone dla {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Ustawienia punktu końcowego zapisanego modelu",
     "searchByModelAria": "Szukaj według modelu",
     "selectSupportedEndpoint": "Wybierz przynajmniej jeden obsługiwany punkt końcowy",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Ustawienia",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link partnerski",
     "dismissAriaLabel": "Zamknij"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Wyłącz generowanie wariantów poziomu rozumowania (np. -low, -medium, -high) w katalogu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Wyłącz generowanie wariantów poziomu rozumowania (np. -low, -medium, -high) w katalogu /v1/models.",
+  "connectionTest": {
+    "title": "Wiadomość testowa",
+    "description": "Wyślij jedno rzeczywiste żądanie za pośrednictwem tego konta. Zużyje to niewielką część limitu i, zależnie od dostawcy, może rozpocząć okres rozliczania użycia.",
+    "loading": "Ładowanie modeli konta…",
+    "model": "Model testowy dla tego konta",
+    "chooseModel": "Wybierz model",
+    "unavailable": "brak w bieżącym katalogu",
+    "noModels": "Brak dostępnych modeli czatu. Najpierw zsynchronizuj modele dla tego konta.",
+    "message": "Wiadomość",
+    "settingsLink": "Zmień wiadomość w ustawieniach AI",
+    "activateFirst": "Aktywuj to konto przed wysłaniem wiadomości.",
+    "saveModel": "Zapisz model",
+    "send": "Wyślij wiadomość testową",
+    "saved": "Zapisano",
+    "answer": "Odpowiedź modelu",
+    "failed": "Żądanie nie powiodło się. Spróbuj ponownie.",
+    "settingsTitle": "Ręczne wiadomości testowe konta",
+    "settingsDescription": "Ta wiadomość jest używana przez przyciski testowe w sekcjach Połączenia i Limity dostawców. Wybierz model osobno dla każdego konta. Zapisanie nie powoduje wysłania wiadomości ani włączenia automatycznych testów połączenia.",
+    "saveMessage": "Zapisz wiadomość",
+    "defaultModel": "Domyślny model testowy",
+    "defaultModelHint": "Używane automatycznie przez przyciski „Wiadomość testowa” dla tego konta. Zapisywane wraz z połączeniem; żadna wiadomość nie jest wysyłana."
+  }
 }
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index 5f4a605d818d..18f8f3a878ab 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Em período de espera",
     "codexPoolUsed": "usado",
     "codexPoolUntil": "Até {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anônimo",
     "anonymousFallbackDesc": "Quando todas as conexões configuradas estiverem esgotadas (cota, créditos ou expiração), use temporariamente a camada sem chave deste provedor. Desative para ignorar este provedor em vez de enviar solicitações anônimas — recomendado quando a camada sem chave as rejeita (401).",
     "anonymousFallbackEnabled": "Fallback anônimo ativado para {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Configurações do endpoint do modelo salvo",
     "searchByModelAria": "Pesquisar por modelo",
     "selectSupportedEndpoint": "Selecione pelo menos um endpoint suportado",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Configurações",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link de parceiro",
     "dismissAriaLabel": "Dispensar"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desative a geração de variantes de nível de pensamento (por exemplo, -low, -medium, -high) no catálogo /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desative a geração de variantes de nível de pensamento (por exemplo, -low, -medium, -high) no catálogo /v1/models.",
+  "connectionTest": {
+    "title": "Mensagem de teste",
+    "description": "Envie uma solicitação real por meio desta conta. Isso usa uma pequena parte da cota e pode iniciar uma janela de uso, dependendo do provedor.",
+    "loading": "Carregando modelos da conta…",
+    "model": "Modelo de teste para esta conta",
+    "chooseModel": "Escolha um modelo",
+    "unavailable": "não está no catálogo atual",
+    "noModels": "Nenhum modelo de chat disponível. Primeiro, sincronize os modelos desta conta.",
+    "message": "Mensagem",
+    "settingsLink": "Altere a mensagem nas Configurações de IA",
+    "activateFirst": "Ative esta conta antes de enviar uma mensagem.",
+    "saveModel": "Salvar modelo",
+    "send": "Enviar mensagem de teste",
+    "saved": "Salvo",
+    "answer": "Resposta do modelo",
+    "failed": "A solicitação falhou. Tente novamente.",
+    "settingsTitle": "Mensagens de teste manuais da conta",
+    "settingsDescription": "Esta mensagem é usada pelos botões de teste em Conexões e Cota do provedor. Escolha o modelo separadamente para cada conta. Salvar não envia uma mensagem nem habilita verificações automáticas.",
+    "saveMessage": "Salvar mensagem",
+    "defaultModel": "Modelo de teste padrão",
+    "defaultModelHint": "Usado automaticamente pelos botões de mensagem de teste desta conta. É salvo com a conexão; nenhuma mensagem é enviada."
+  }
 }
diff --git a/src/i18n/messages/pt.json b/src/i18n/messages/pt.json
index bda86fe695e8..fd4b719d5d52 100644
--- a/src/i18n/messages/pt.json
+++ b/src/i18n/messages/pt.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Restaurar as definições padrão do upstream",
     "resetToUpstreamDefaultsSuccess": "Restaurados os valores padrão do modelo upstream",
     "resetToUpstreamDefaultsFailed": "Falha ao restaurar as definições padrão do modelo upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Atualizar automaticamente a lista de modelos a cada 6 h por predefinição (configurável através de MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sincronização automática ativada — modelos serão atualizados periodicamente",
     "autoSyncDisabled": "Sincronização automática desativada",
     "autoSyncToggleFailed": "Falha ao alternar sincronização automática",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Em período de espera",
     "codexPoolUsed": "utilizado",
     "codexPoolUntil": "Até {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anónimo",
     "anonymousFallbackDesc": "Quando todas as conexões configuradas estiverem esgotadas (quota, créditos ou expiração), use temporariamente o nível sem chave deste fornecedor. Desative para ignorar este fornecedor em vez de enviar pedidos anónimos — recomendado quando o nível sem chave os rejeita (401).",
     "anonymousFallbackEnabled": "Fallback anónimo ativado para {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Definições do ponto de extremidade do modelo guardado",
     "searchByModelAria": "Pesquisar por modelo",
     "selectSupportedEndpoint": "Selecione pelo menos um endpoint suportado",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Configurações",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link de parceiro",
     "dismissAriaLabel": "Dispensar"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desative a geração de variantes de nível de pensamento (por exemplo, -low, -medium, -high) no catálogo /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Desative a geração de variantes de nível de pensamento (por exemplo, -low, -medium, -high) no catálogo /v1/models.",
+  "connectionTest": {
+    "title": "Mensagem de teste",
+    "description": "Enviar um pedido real através desta conta. Isto utiliza uma pequena quantidade da quota e pode iniciar uma janela de utilização, dependendo do fornecedor.",
+    "loading": "A carregar os modelos da conta…",
+    "model": "Modelo de teste para esta conta",
+    "chooseModel": "Escolha um modelo",
+    "unavailable": "não consta do catálogo atual",
+    "noModels": "Não existem modelos de conversação disponíveis. Sincronize primeiro os modelos desta conta.",
+    "message": "Mensagem",
+    "settingsLink": "Alterar a mensagem nas Definições de IA",
+    "activateFirst": "Ative esta conta antes de enviar uma mensagem.",
+    "saveModel": "Guardar modelo",
+    "send": "Enviar mensagem de teste",
+    "saved": "Guardado",
+    "answer": "Resposta do modelo",
+    "failed": "O pedido falhou. Tente novamente.",
+    "settingsTitle": "Mensagens manuais de teste da conta",
+    "settingsDescription": "Esta mensagem é utilizada pelos botões de teste em Ligações e Quota do fornecedor. Escolha o modelo separadamente para cada conta. Guardar não envia uma mensagem nem ativa verificações automáticas.",
+    "saveMessage": "Guardar mensagem",
+    "defaultModel": "Modelo de teste predefinido",
+    "defaultModelHint": "Utilizado automaticamente pelos botões Testar mensagem para esta conta. Guardado com a ligação; nenhuma mensagem é enviada."
+  }
 }
diff --git a/src/i18n/messages/ro.json b/src/i18n/messages/ro.json
index e3730b2ab9a3..9180bf81c654 100644
--- a/src/i18n/messages/ro.json
+++ b/src/i18n/messages/ro.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Restabilește valorile implicite upstream",
     "resetToUpstreamDefaultsSuccess": "Restabilite valorile implicite ale modelului upstream",
     "resetToUpstreamDefaultsFailed": "Restaurarea valorilor implicite ale modelului upstream a eșuat",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Reîmprospătează automat lista de modele la fiecare 6 ore în mod implicit (configurabil prin MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Sincronizare automată activată — modelele se vor reîmprospăta periodic",
     "autoSyncDisabled": "Sincronizarea automată a fost dezactivată",
     "autoSyncToggleFailed": "Nu s-a putut comuta sincronizarea automată",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "În perioada de așteptare",
     "codexPoolUsed": "utilizat",
     "codexPoolUntil": "Până la {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Fallback anonim",
     "anonymousFallbackDesc": "Când toate conexiunile configurate sunt epuizate (cota, credite sau expirare), folosiți temporar nivelul fără cheie al acestui furnizor. Dezactivați pentru a sări peste acest furnizor în loc de a trimite cereri anonime — recomandat atunci când nivelul fără cheie le respinge (401).",
     "anonymousFallbackEnabled": "Fallback anonim activat pentru {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Setările punctului final al modelului salvat",
     "searchByModelAria": "Caută după model",
     "selectSupportedEndpoint": "Selectați cel puțin un punct final acceptat",
-    "antigravityClientProfileHarness": "Cadru / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Cadru / CLI"
   },
   "settings": {
     "title": "Setări",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Link de partener",
     "dismissAriaLabel": "Închideți"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Dezactivați generarea variantelor de nivel de gândire (de ex. -low, -medium, -high) în catalogul /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Dezactivați generarea variantelor de nivel de gândire (de ex. -low, -medium, -high) în catalogul /v1/models.",
+  "connectionTest": {
+    "title": "Mesaj de test",
+    "description": "Trimite o solicitare reală prin acest cont. Aceasta utilizează o cantitate mică din cotă și poate porni o fereastră de utilizare, în funcție de furnizor.",
+    "loading": "Se încarcă modelele contului…",
+    "model": "Model de test pentru acest cont",
+    "chooseModel": "Alege un model",
+    "unavailable": "nu se află în catalogul actual",
+    "noModels": "Nu există modele de chat disponibile. Sincronizează mai întâi modelele pentru acest cont.",
+    "message": "Mesaj",
+    "settingsLink": "Modifică mesajul în Setări AI",
+    "activateFirst": "Activează acest cont înainte de a trimite un mesaj.",
+    "saveModel": "Salvează modelul",
+    "send": "Trimite mesajul de test",
+    "saved": "Salvat",
+    "answer": "Răspunsul modelului",
+    "failed": "Solicitarea a eșuat. Încearcă din nou.",
+    "settingsTitle": "Mesaje manuale de testare a contului",
+    "settingsDescription": "Acest mesaj este utilizat de butoanele de testare din Conexiuni și Cota furnizorului. Alege modelul separat pentru fiecare cont. Salvarea nu trimite un mesaj și nu activează pingurile automate.",
+    "saveMessage": "Salvează mesajul",
+    "defaultModel": "Model de test implicit",
+    "defaultModelHint": "Utilizat automat de butoanele Mesaj de test pentru acest cont. Salvat împreună cu conexiunea; nu se trimite niciun mesaj."
+  }
 }
diff --git a/src/i18n/messages/ru.json b/src/i18n/messages/ru.json
index 008c6fbb303d..597949b7b1d0 100644
--- a/src/i18n/messages/ru.json
+++ b/src/i18n/messages/ru.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Восстановить настройки по умолчанию upstream",
     "resetToUpstreamDefaultsSuccess": "Восстановлены настройки модели по умолчанию для upstream",
     "resetToUpstreamDefaultsFailed": "Не удалось восстановить значения по умолчанию для модели upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Автоматически обновлять список моделей каждые 6 ч по умолчанию (настраивается через MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Автосинхронизация включена — модели будут периодически обновляться",
     "autoSyncDisabled": "Автосинхронизация отключена",
     "autoSyncToggleFailed": "Не удалось переключить автосинхронизацию",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "В периоде ожидания",
     "codexPoolUsed": "использовано",
     "codexPoolUntil": "До {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Анонимный резервный вариант",
     "anonymousFallbackDesc": "Когда все настроенные соединения исчерпаны (квота, кредиты или срок действия), временно используйте безключевой уровень этого провайдера. Выключите, чтобы пропустить этого провайдера вместо отправки анонимных запросов — рекомендуется, когда безключевой уровень их отклоняет (401).",
     "anonymousFallbackEnabled": "Анонимный резервный вариант включен для {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Настройки конечной точки сохраненной модели",
     "searchByModelAria": "Поиск по модели",
     "selectSupportedEndpoint": "Выберите хотя бы одну поддерживаемую конечную точку",
-    "antigravityClientProfileHarness": "Среда / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Среда / CLI"
   },
   "settings": {
     "title": "Настройки",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Партнёрская ссылка",
     "dismissAriaLabel": "Закрыть"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Отключить создание вариантов уровней рассуждения (например, -low, -medium, -high) в каталоге /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Отключить создание вариантов уровней рассуждения (например, -low, -medium, -high) в каталоге /v1/models.",
+  "connectionTest": {
+    "title": "Тестовое сообщение",
+    "description": "Отправить один реальный запрос через эту учётную запись. Это использует небольшую часть квоты и может запустить период учёта использования в зависимости от провайдера.",
+    "loading": "Загрузка моделей учётной записи…",
+    "model": "Тестовая модель для этой учётной записи",
+    "chooseModel": "Выберите модель",
+    "unavailable": "отсутствует в текущем каталоге",
+    "noModels": "Нет доступных чат-моделей. Сначала синхронизируйте модели для этой учётной записи.",
+    "message": "Сообщение",
+    "settingsLink": "Изменить сообщение в настройках ИИ",
+    "activateFirst": "Активируйте эту учётную запись перед отправкой сообщения.",
+    "saveModel": "Сохранить модель",
+    "send": "Отправить тестовое сообщение",
+    "saved": "Сохранено",
+    "answer": "Ответ модели",
+    "failed": "Не удалось выполнить запрос. Повторите попытку.",
+    "settingsTitle": "Сообщения для ручной проверки учётной записи",
+    "settingsDescription": "Это сообщение используется кнопками тестирования в разделах «Подключения» и «Квота провайдера». Выбирайте модель отдельно для каждой учётной записи. Сохранение не отправляет сообщение и не включает автоматические проверки.",
+    "saveMessage": "Сохранить сообщение",
+    "defaultModel": "Тестовая модель по умолчанию",
+    "defaultModelHint": "Автоматически используется кнопками «Тестовое сообщение» для этой учётной записи. Сохраняется вместе с подключением; сообщение не отправляется."
+  }
 }
diff --git a/src/i18n/messages/si.json b/src/i18n/messages/si.json
index 38ab08aa8fa4..8e60a2312282 100644
--- a/src/i18n/messages/si.json
+++ b/src/i18n/messages/si.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "උඩුගං පෙරනිමි ප්රතිසාධනය කරන්න",
     "resetToUpstreamDefaultsSuccess": "උඩුගං මාදිලියේ පෙරනිමි ප්රතිසාධනය කරන ලදී",
     "resetToUpstreamDefaultsFailed": "උඩුගං මාදිලියේ පෙරනිමි ප්රතිසාධනය කිරීමට අසමත් විය",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "පෙරනිමියෙන් සෑම පැය 6කට වරක්ම මාදිලි ලැයිස්තුව ස්වයංක්රීයව නැවුම් කරන්න (MODEL_SYNC_INTERVAL_HOURS හරහා වින්යාස කළ හැක)",
     "autoSyncEnabled": "ස්වයංක්රීය සමමුහුර්තකරණය සබල කර ඇත — මාදිලි වරින් වර නැවුම් කෙරේ",
     "autoSyncDisabled": "ස්වයංක්රීය සමමුහුර්තකරණය අබල කර ඇත",
     "autoSyncToggleFailed": "ස්වයංක්රීය සමමුහුර්තකරණය සක්රිය හෝ අක්රිය කිරීමට අසමත් විය",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "සිසිල් වෙමින් පවතී",
     "codexPoolUsed": "භාවිත කර ඇත",
     "codexPoolUntil": "{value} දක්වා",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "නිර්නාමික විකල්පය",
     "anonymousFallbackDesc": "වින්යාස කළ සියලු සම්බන්ධතාවල කෝටාව, බැර හෝ වලංගු කාලය අවසන් වූ විට, තාවකාලිකව මෙම සැපයුම්කරුගේ යතුරු-රහිත මට්ටම භාවිත කරන්න. නිර්නාමික ඉල්ලීම් යැවීම වෙනුවට මෙම සැපයුම්කරු මඟහැරීමට මෙය අක්රිය කරන්න — යතුරු-රහිත මට්ටම ඒවා ප්රතික්ෂේප කරන විට (401) මෙය නිර්දේශ කෙරේ.",
     "anonymousFallbackEnabled": "{provider} සඳහා නිර්නාමික විකල්පය සබල කර ඇත",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "සුරැකි ආකෘති අන්ත ලක්ෂ්ය සැකසුම්",
     "searchByModelAria": "ආකෘතිය අනුව සොයන්න",
     "selectSupportedEndpoint": "අවම වශයෙන් සහාය දක්වන එක් අන්ත ලක්ෂ්යයක්වත් තෝරන්න",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "සැකසුම්",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "හවුල්කරු සබැඳිය",
     "dismissAriaLabel": "ඉවත දමන්න"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models නාමාවලිය තුළ චින්තන මට්ටමේ ප්රභේද (උදා. -low, -medium, -high) ජනනය කිරීම අක්රිය කරන්න."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models නාමාවලිය තුළ චින්තන මට්ටමේ ප්රභේද (උදා. -low, -medium, -high) ජනනය කිරීම අක්රිය කරන්න.",
+  "connectionTest": {
+    "title": "පරීක්ෂණ පණිවිඩය",
+    "description": "මෙම ගිණුම හරහා එක් සැබෑ ඉල්ලීමක් යවන්න. මෙය කෝටාවෙන් කුඩා ප්රමාණයක් භාවිත කරන අතර, සැපයුම්කරු අනුව භාවිත කාල කවුළුවක් ආරම්භ කළ හැක.",
+    "loading": "ගිණුම් මාදිලි පූරණය වෙමින්…",
+    "model": "මෙම ගිණුම සඳහා පරීක්ෂණ මාදිලිය",
+    "chooseModel": "මාදිලියක් තෝරන්න",
+    "unavailable": "වත්මන් නාමාවලියෙහි නොමැත",
+    "noModels": "කතාබස් මාදිලි කිසිවක් නොමැත. පළමුව මෙම ගිණුම සඳහා මාදිලි සමමුහුර්ත කරන්න.",
+    "message": "පණිවිඩය",
+    "settingsLink": "AI සැකසුම් තුළ පණිවිඩය වෙනස් කරන්න",
+    "activateFirst": "පණිවිඩයක් යැවීමට පෙර මෙම ගිණුම සක්රිය කරන්න.",
+    "saveModel": "මාදිලිය සුරකින්න",
+    "send": "පරීක්ෂණ පණිවිඩය යවන්න",
+    "saved": "සුරකින ලදී",
+    "answer": "මාදිලියේ ප්රතිචාරය",
+    "failed": "ඉල්ලීම අසාර්ථක විය. කරුණාකර නැවත උත්සාහ කරන්න.",
+    "settingsTitle": "අතින් යවන ගිණුම් පරීක්ෂණ පණිවිඩ",
+    "settingsDescription": "මෙම පණිවිඩය Connections සහ Provider Quota යටතේ ඇති පරීක්ෂණ බොත්තම් මඟින් භාවිත කෙරේ. එක් එක් ගිණුම සඳහා මාදිලිය වෙන වෙනම තෝරන්න. සුරැකීමෙන් පණිවිඩයක් යැවීම හෝ ස්වයංක්රීය පින්ග් සක්රිය කිරීම සිදු නොවේ.",
+    "saveMessage": "පණිවිඩය සුරකින්න",
+    "defaultModel": "පෙරනිමි පරීක්ෂණ මාදිලිය",
+    "defaultModelHint": "මෙම ගිණුම සඳහා Test message බොත්තම් මඟින් ස්වයංක්රීයව භාවිත කෙරේ. සම්බන්ධතාව සමඟ සුරකිනු ලැබේ; කිසිදු පණිවිඩයක් යවනු නොලැබේ."
+  }
 }
diff --git a/src/i18n/messages/sk.json b/src/i18n/messages/sk.json
index ff922f6fbeea..7ecc7db289b1 100644
--- a/src/i18n/messages/sk.json
+++ b/src/i18n/messages/sk.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Obnoviť predvolené nastavenia upstream",
     "resetToUpstreamDefaultsSuccess": "Obnovené predvolené nastavenia upstream modelu",
     "resetToUpstreamDefaultsFailed": "Obnovenie predvolených nastavení modelu upstream zlyhalo",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Automaticky obnovovať zoznam modelov každých 6 h (predvolené; konfigurovateľné cez MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatická synchronizácia povolená – modely sa budú pravidelne obnovovať",
     "autoSyncDisabled": "Automatická synchronizácia je zakázaná",
     "autoSyncToggleFailed": "Nepodarilo sa prepnúť automatickú synchronizáciu",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "V čakacej lehote",
     "codexPoolUsed": "využité",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonymný záložný systém",
     "anonymousFallbackDesc": "Keď sú všetky nakonfigurované pripojenia vyčerpané (kvóta, kredity alebo vypršanie platnosti), dočasne použite bezkľúčovú úroveň tohto poskytovateľa. Vypnite, aby ste preskočili tohto poskytovateľa namiesto odosielania anonymných požiadaviek — odporúča sa, keď bezkľúčová úroveň ich odmieta (401).",
     "anonymousFallbackEnabled": "Anonymný záložný režim povolený pre {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Nastavenia koncového bodu uloženého modelu",
     "searchByModelAria": "Hľadať podľa modelu",
     "selectSupportedEndpoint": "Vyberte aspoň jeden podporovaný koncový bod",
-    "antigravityClientProfileHarness": "Testovacie prostredie / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testovacie prostredie / CLI"
   },
   "settings": {
     "title": "Nastavenia",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerský odkaz",
     "dismissAriaLabel": "Zavrieť"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zakázať generovanie variantov úrovne uvažovania (napr. -low, -medium, -high) v katalógu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zakázať generovanie variantov úrovne uvažovania (napr. -low, -medium, -high) v katalógu /v1/models.",
+  "connectionTest": {
+    "title": "Testovacia správa",
+    "description": "Odoslať jednu skutočnú požiadavku prostredníctvom tohto účtu. Spotrebuje sa tým malé množstvo kvóty a v závislosti od poskytovateľa sa môže začať obdobie používania.",
+    "loading": "Načítavajú sa modely účtu…",
+    "model": "Testovací model pre tento účet",
+    "chooseModel": "Vyberte model",
+    "unavailable": "nie je v aktuálnom katalógu",
+    "noModels": "Nie sú k dispozícii žiadne četové modely. Najprv synchronizujte modely pre tento účet.",
+    "message": "Správa",
+    "settingsLink": "Zmeňte správu v nastaveniach AI",
+    "activateFirst": "Pred odoslaním správy aktivujte tento účet.",
+    "saveModel": "Uložiť model",
+    "send": "Odoslať testovaciu správu",
+    "saved": "Uložené",
+    "answer": "Odpoveď modelu",
+    "failed": "Požiadavka zlyhala. Skúste to znova.",
+    "settingsTitle": "Manuálne testovacie správy účtu",
+    "settingsDescription": "Táto správa sa používa tlačidlami na testovanie v častiach Pripojenia a Kvóta poskytovateľa. Model vyberte samostatne pre každý účet. Uložením sa neodošle správa ani nepovolia automatické pingy.",
+    "saveMessage": "Uložiť správu",
+    "defaultModel": "Predvolený testovací model",
+    "defaultModelHint": "Používa sa automaticky tlačidlami Testovacia správa pre tento účet. Uloží sa spolu s pripojením; neodošle sa žiadna správa."
+  }
 }
diff --git a/src/i18n/messages/sl.json b/src/i18n/messages/sl.json
index 118d72ca176a..807dc860b13c 100644
--- a/src/i18n/messages/sl.json
+++ b/src/i18n/messages/sl.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Obnovi privzete izvorne nastavitve",
     "resetToUpstreamDefaultsSuccess": "Privzete nastavitve izvornega modela so bile obnovljene",
     "resetToUpstreamDefaultsFailed": "Privzetih nastavitev izvornega modela ni bilo mogoče obnoviti",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Privzeto samodejno osveži seznam modelov vsakih 6 ur (nastavljivo prek MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Samodejna sinhronizacija je omogočena — modeli se bodo redno osveževali",
     "autoSyncDisabled": "Samodejna sinhronizacija je onemogočena",
     "autoSyncToggleFailed": "Samodejne sinhronizacije ni bilo mogoče preklopiti",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Ohlajanje",
     "codexPoolUsed": "porabljeno",
     "codexPoolUntil": "Do {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonimni nadomestni način",
     "anonymousFallbackDesc": "Ko so izčrpane vse konfigurirane povezave (kvota, dobroimetje ali veljavnost), začasno uporabite raven tega ponudnika brez ključa. Izklopite, če želite tega ponudnika preskočiti, namesto da bi pošiljali anonimne zahteve — priporočljivo, kadar jih raven brez ključa zavrne (401).",
     "anonymousFallbackEnabled": "Anonimni nadomestni način je omogočen za {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Nastavitve končne točke modela so shranjene",
     "searchByModelAria": "Iskanje po modelu",
     "selectSupportedEndpoint": "Izberite vsaj eno podprto končno točko",
-    "antigravityClientProfileHarness": "Ogrodje / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Ogrodje / CLI"
   },
   "settings": {
     "title": "Nastavitve",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerska povezava",
     "dismissAriaLabel": "Zapri"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogoči ustvarjanje različic ravni razmišljanja (npr. -low, -medium, -high) v katalogu /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Onemogoči ustvarjanje različic ravni razmišljanja (npr. -low, -medium, -high) v katalogu /v1/models.",
+  "connectionTest": {
+    "title": "Preskusno sporočilo",
+    "description": "Pošlji eno dejansko zahtevo prek tega računa. To porabi majhno količino kvote in lahko začne obdobje uporabe, odvisno od ponudnika.",
+    "loading": "Nalaganje modelov računa …",
+    "model": "Preskusni model za ta račun",
+    "chooseModel": "Izberite model",
+    "unavailable": "ni v trenutnem katalogu",
+    "noModels": "Na voljo ni nobenega modela za klepet. Najprej sinhronizirajte modele za ta račun.",
+    "message": "Sporočilo",
+    "settingsLink": "Spremenite sporočilo v nastavitvah umetne inteligence",
+    "activateFirst": "Pred pošiljanjem sporočila aktivirajte ta račun.",
+    "saveModel": "Shrani model",
+    "send": "Pošlji preskusno sporočilo",
+    "saved": "Shranjeno",
+    "answer": "Odgovor modela",
+    "failed": "Zahteva ni uspela. Poskusite znova.",
+    "settingsTitle": "Ročna preskusna sporočila računa",
+    "settingsDescription": "To sporočilo uporabljajo gumbi za preskus v razdelkih Povezave in Kvota ponudnika. Model izberite ločeno za vsak račun. Shranjevanje ne pošlje sporočila in ne omogoči samodejnih preverjanj dosegljivosti.",
+    "saveMessage": "Shrani sporočilo",
+    "defaultModel": "Privzeti preskusni model",
+    "defaultModelHint": "Samodejno se uporablja z gumbi »Preizkusi sporočilo« za ta račun. Shrani se skupaj s povezavo; sporočilo ni poslano."
+  }
 }
diff --git a/src/i18n/messages/sr.json b/src/i18n/messages/sr.json
index 1c9c9c7640bb..5bbcd6d03d7c 100644
--- a/src/i18n/messages/sr.json
+++ b/src/i18n/messages/sr.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Врати подразумевана подешавања изворног модела",
     "resetToUpstreamDefaultsSuccess": "Подразумевана подешавања изворног модела су враћена",
     "resetToUpstreamDefaultsFailed": "Враћање подразумеваних подешавања изворног модела није успело",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Подразумевано аутоматски освежавај листу модела сваких 6 сати (подесиво преко MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Ауто-синхронизација је омогућена — модели ће се периодично освежавати",
     "autoSyncDisabled": "Ауто-синхронизација је онемогућена",
     "autoSyncToggleFailed": "Промена ауто-синхронизације није успела",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Хлађење у току",
     "codexPoolUsed": "искоришћено",
     "codexPoolUntil": "До {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Анонимни резервни режим",
     "anonymousFallbackDesc": "Када су све конфигурисане везе исцрпљене (квота, кредити или истек), привремено користите ниво овог провајдера који не захтева кључ. Искључите ово да бисте прескочили овог провајдера уместо слања анонимних захтева — препоручује се када ниво без кључа одбија такве захтеве (401).",
     "anonymousFallbackEnabled": "Анонимни резервни режим омогућен за {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Подешавања ендпоинта модела су сачувана",
     "searchByModelAria": "Претрага по моделу",
     "selectSupportedEndpoint": "Изаберите бар једну подржану крајњу тачку",
-    "antigravityClientProfileHarness": "Окружење / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Окружење / CLI"
   },
   "settings": {
     "title": "Подешавања",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Партнерски линк",
     "dismissAriaLabel": "Затвори"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Онемогући генерисање варијанти нивоа размишљања (нпр. -low, -medium, -high) у каталогу /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Онемогући генерисање варијанти нивоа размишљања (нпр. -low, -medium, -high) у каталогу /v1/models.",
+  "connectionTest": {
+    "title": "Тест порука",
+    "description": "Пошаљите један стварни захтев преко овог налога. Ово користи малу количину квоте и може покренути период коришћења, у зависности од провајдера.",
+    "loading": "Учитавање модела налога…",
+    "model": "Тест модел за овај налог",
+    "chooseModel": "Изаберите модел",
+    "unavailable": "није у тренутном каталогу",
+    "noModels": "Нема доступних модела за ћаскање. Прво синхронизујте моделе за овај налог.",
+    "message": "Порука",
+    "settingsLink": "Промените поруку у AI подешавањима",
+    "activateFirst": "Активирајте овај налог пре слања поруке.",
+    "saveModel": "Сачувај модел",
+    "send": "Пошаљи тест поруку",
+    "saved": "Сачувано",
+    "answer": "Одговор модела",
+    "failed": "Захтев није успео. Покушајте поново.",
+    "settingsTitle": "Ручне тест поруке налога",
+    "settingsDescription": "Ову поруку користе дугмад за тестирање у одељцима Везе и Квота провајдера. Изаберите модел засебно за сваки налог. Чување не шаље поруку нити омогућава аутоматске провере.",
+    "saveMessage": "Сачувај поруку",
+    "defaultModel": "Подразумевани тест модел",
+    "defaultModelHint": "Аутоматски се користи за дугмад „Тестирај поруку“ за овај налог. Чува се са везом; порука се не шаље."
+  }
 }
diff --git a/src/i18n/messages/sv.json b/src/i18n/messages/sv.json
index eafa32e5b5ec..be25ece9afda 100644
--- a/src/i18n/messages/sv.json
+++ b/src/i18n/messages/sv.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Återställ upstream-standarder",
     "resetToUpstreamDefaultsSuccess": "Återställda standardinställningar för upstream-modellen",
     "resetToUpstreamDefaultsFailed": "Misslyckades med att återställa standardinställningar för upstream-modellen",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Uppdatera automatiskt modellistan var 6:e timme som standard (kan konfigureras via MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Automatisk synkronisering aktiverad — modeller uppdateras regelbundet",
     "autoSyncDisabled": "Automatisk synkronisering inaktiverad",
     "autoSyncToggleFailed": "Det gick inte att växla automatisk synkronisering",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "I vänteperiod",
     "codexPoolUsed": "använt",
     "codexPoolUntil": "Till {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonym fallback",
     "anonymousFallbackDesc": "När alla konfigurerade anslutningar är uttömda (kvot, krediter eller utgång), använd tillfälligt denna leverantörs nyckellösa nivå. Stäng av för att hoppa över denna leverantör istället för att skicka anonyma förfrågningar — rekommenderas när den nyckellösa nivån avvisar dem (401).",
     "anonymousFallbackEnabled": "Anonym fallback aktiverad för {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Inställningar för sparad modellslutpunkt",
     "searchByModelAria": "Sök efter modell",
     "selectSupportedEndpoint": "Välj minst en stödd slutpunkt",
-    "antigravityClientProfileHarness": "Testverktyg / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Testverktyg / CLI"
   },
   "settings": {
     "title": "Inställningar",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Partnerlänk",
     "dismissAriaLabel": "Stäng"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Inaktivera genereringen av varianter med olika tankenivåer (t.ex. -low, -medium, -high) i katalogen /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Inaktivera genereringen av varianter med olika tankenivåer (t.ex. -low, -medium, -high) i katalogen /v1/models.",
+  "connectionTest": {
+    "title": "Testmeddelande",
+    "description": "Skicka en riktig begäran via det här kontot. Detta använder en liten del av kvoten och kan starta ett användningsfönster, beroende på leverantören.",
+    "loading": "Läser in kontomodeller…",
+    "model": "Testmodell för det här kontot",
+    "chooseModel": "Välj en modell",
+    "unavailable": "finns inte i den aktuella katalogen",
+    "noModels": "Inga chattmodeller är tillgängliga. Synkronisera först modellerna för det här kontot.",
+    "message": "Meddelande",
+    "settingsLink": "Ändra meddelandet i AI-inställningarna",
+    "activateFirst": "Aktivera det här kontot innan du skickar ett meddelande.",
+    "saveModel": "Spara modell",
+    "send": "Skicka testmeddelande",
+    "saved": "Sparad",
+    "answer": "Modellsvar",
+    "failed": "Begäran misslyckades. Försök igen.",
+    "settingsTitle": "Manuella testmeddelanden för konton",
+    "settingsDescription": "Det här meddelandet används av testknapparna under Anslutningar och Leverantörskvot. Välj modell separat för varje konto. Att spara skickar inget meddelande och aktiverar inte automatiska pingningar.",
+    "saveMessage": "Spara meddelande",
+    "defaultModel": "Standardmodell för test",
+    "defaultModelHint": "Används automatiskt av knapparna Testmeddelande för det här kontot. Sparas med anslutningen; inget meddelande skickas."
+  }
 }
diff --git a/src/i18n/messages/sw.json b/src/i18n/messages/sw.json
index bc7e7b73d430..2e15014f94ec 100644
--- a/src/i18n/messages/sw.json
+++ b/src/i18n/messages/sw.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Rejesha mipangilio ya msingi ya upstream",
     "resetToUpstreamDefaultsSuccess": "Imerejeshwa mipangilio ya mfano wa upstream",
     "resetToUpstreamDefaultsFailed": "Imeshindikana kurejesha mipangilio ya msingi ya upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Onyesha upya orodha ya modeli kiotomatiki kila saa 6 kwa chaguomsingi (inaweza kusanidiwa kupitia MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Usawazishaji otomatiki umewezeshwa — modeli zitasasishwa mara kwa mara",
     "autoSyncDisabled": "Usawazishaji otomatiki umezimwa",
     "autoSyncToggleFailed": "Imeshindikana kubadilisha hali ya usawazishaji otomatiki",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Katika kipindi cha kusubiri",
     "codexPoolUsed": "imetumika",
     "codexPoolUntil": "Hadi {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Kurejea kwa Kijakazi",
     "anonymousFallbackDesc": "Wakati muunganisho wote uliowekwa umepita (kikomo, mikopo, au muda wa kumalizika), tumia muda huu kiwango kisicho na funguo cha mtoa huduma huyu. Zima ili kupuuza mtoa huduma huyu badala ya kutuma maombi yasiyo na utambulisho — inapendekezwa wakati kiwango kisicho na funguo kinapokataa maombi hayo (401).",
     "anonymousFallbackEnabled": "Fallback isiyojulikana imewezeshwa kwa {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Mipangilio ya mwisho wa mfano uliohifadhiwa",
     "searchByModelAria": "Tafuta kwa mfano",
     "selectSupportedEndpoint": "Chagua angalau kiunganishi kimoja kinachoungwa mkono",
-    "antigravityClientProfileHarness": "Kiunzi / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Kiunzi / CLI"
   },
   "settings": {
     "title": "Mipangilio",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Kiungo cha mshirika",
     "dismissAriaLabel": "Funga"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zima uundaji wa vibadala vya kiwango cha kufikiri (k.m. -low, -medium, -high) katika katalogi ya /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Zima uundaji wa vibadala vya kiwango cha kufikiri (k.m. -low, -medium, -high) katika katalogi ya /v1/models.",
+  "connectionTest": {
+    "title": "Ujumbe wa majaribio",
+    "description": "Tuma ombi moja halisi kupitia akaunti hii. Hii hutumia kiasi kidogo cha mgao na inaweza kuanzisha kipindi cha matumizi, kulingana na mtoa huduma.",
+    "loading": "Inapakia modeli za akaunti…",
+    "model": "Modeli ya majaribio ya akaunti hii",
+    "chooseModel": "Chagua modeli",
+    "unavailable": "haipo katika katalogi ya sasa",
+    "noModels": "Hakuna modeli za mazungumzo zinazopatikana. Sawazisha modeli za akaunti hii kwanza.",
+    "message": "Ujumbe",
+    "settingsLink": "Badilisha ujumbe katika Mipangilio ya AI",
+    "activateFirst": "Washa akaunti hii kabla ya kutuma ujumbe.",
+    "saveModel": "Hifadhi modeli",
+    "send": "Tuma ujumbe wa majaribio",
+    "saved": "Imehifadhiwa",
+    "answer": "Jibu la modeli",
+    "failed": "Ombi limeshindwa. Tafadhali jaribu tena.",
+    "settingsTitle": "Ujumbe wa majaribio ya akaunti unaotumwa mwenyewe",
+    "settingsDescription": "Ujumbe huu unatumiwa na vitufe vya majaribio chini ya Miunganisho na Mgao wa Mtoa Huduma. Chagua modeli kivyake kwa kila akaunti. Kuhifadhi hakutumi ujumbe wala kuwezesha maombi ya kiotomatiki ya kukagua muunganisho.",
+    "saveMessage": "Hifadhi ujumbe",
+    "defaultModel": "Modeli chaguomsingi ya majaribio",
+    "defaultModelHint": "Hutumika kiotomatiki na vitufe vya ujumbe wa majaribio vya akaunti hii. Huhifadhiwa pamoja na muunganisho; hakuna ujumbe unaotumwa."
+  }
 }
diff --git a/src/i18n/messages/ta.json b/src/i18n/messages/ta.json
index 4053b7f62cb9..ccaaa3c74d79 100644
--- a/src/i18n/messages/ta.json
+++ b/src/i18n/messages/ta.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "முதன்மை இயல்புகளை மீட்டமைக்கவும்",
     "resetToUpstreamDefaultsSuccess": "மீட்டமைக்கப்பட்ட மேல்நிலை மாதிரி இயல்புகள்",
     "resetToUpstreamDefaultsFailed": "மேல்நிலை மாதிரி இயல்புகளை மீட்டெடுக்க முடியவில்லை",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "இயல்பாக ஒவ்வொரு 6 மணிநேரத்திற்கும் மாடல் பட்டியலைத் தானாகப் புதுப்பிக்கும் (MODEL_SYNC_INTERVAL_HOURS மூலம் அமைக்கலாம்)",
     "autoSyncEnabled": "தானியங்கு ஒத்திசைவு இயக்கப்பட்டுள்ளது — மாடல்கள் அவ்வப்போது புதுப்பிக்கப்படும்",
     "autoSyncDisabled": "தானியங்கு ஒத்திசைவு முடக்கப்பட்டுள்ளது",
     "autoSyncToggleFailed": "தானியங்கு ஒத்திசைவை மாற்ற முடியவில்லை",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "காத்திருப்பு காலத்தில் உள்ளது",
     "codexPoolUsed": "பயன்படுத்தப்பட்டது",
     "codexPoolUntil": "{value} வரை",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "அறியப்படாத மாற்று",
     "anonymousFallbackDesc": "எல்லா கட்டமைக்கப்பட்ட இணைப்புகள் முடிந்தால் (கோட்டா, கிரெடிட்கள், அல்லது காலாவதி), இந்த வழங்குநரின் விசையில்லா நிலையை தற்காலிகமாக பயன்படுத்தவும். இந்த வழங்குநரை தவிர்க்க மாறி அனான்மா கோரிக்கைகளை அனுப்பாமல் выключить செய்யவும் — விசையில்லா நிலை அவற்றை நிராகரிக்கும் போது (401) பரிந்துரைக்கப்படுகிறது.",
     "anonymousFallbackEnabled": "{provider} க்கான அங்கீகாரம் இல்லாத மாற்று செயல்படுத்தப்பட்டது",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "சேமிக்கப்பட்ட மாதிரி முடிவுறுப்பு அமைப்புகள்",
     "searchByModelAria": "மாதிரியில் தேடு",
     "selectSupportedEndpoint": "குறைந்தது ஒரு ஆதரிக்கப்படும் முடிவுகளைத் தேர்ந்தெடுக்கவும்",
-    "antigravityClientProfileHarness": "ஹார்னஸ் / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "ஹார்னஸ் / CLI"
   },
   "settings": {
     "title": "அமைப்புகள்",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "கூட்டாளர் இணைப்பு",
     "dismissAriaLabel": "மூடு"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models பட்டியலில் thinking level variants (எ.கா. -low, -medium, -high) உருவாக்கப்படுவதை முடக்கவும்."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models பட்டியலில் thinking level variants (எ.கா. -low, -medium, -high) உருவாக்கப்படுவதை முடக்கவும்.",
+  "connectionTest": {
+    "title": "சோதனைச் செய்தி",
+    "description": "இந்தக் கணக்கின் மூலம் ஓர் உண்மையான கோரிக்கையை அனுப்பவும். இது சிறிதளவு ஒதுக்கீட்டைப் பயன்படுத்தும்; வழங்குநரைப் பொறுத்து பயன்பாட்டுக் காலச்சாளரத்தைத் தொடங்கக்கூடும்.",
+    "loading": "கணக்கு மாடல்கள் ஏற்றப்படுகின்றன…",
+    "model": "இந்தக் கணக்கிற்கான சோதனை மாடல்",
+    "chooseModel": "ஒரு மாடலைத் தேர்ந்தெடுக்கவும்",
+    "unavailable": "தற்போதைய பட்டியலில் இல்லை",
+    "noModels": "அரட்டை மாடல்கள் எதுவும் கிடைக்கவில்லை. முதலில் இந்தக் கணக்கிற்கான மாடல்களை ஒத்திசைக்கவும்.",
+    "message": "செய்தி",
+    "settingsLink": "AI அமைப்புகளில் செய்தியை மாற்றவும்",
+    "activateFirst": "செய்தியை அனுப்புவதற்கு முன் இந்தக் கணக்கைச் செயல்படுத்தவும்.",
+    "saveModel": "மாடலைச் சேமிக்கவும்",
+    "send": "சோதனைச் செய்தியை அனுப்பவும்",
+    "saved": "சேமிக்கப்பட்டது",
+    "answer": "மாடலின் பதில்",
+    "failed": "கோரிக்கை தோல்வியடைந்தது. மீண்டும் முயற்சிக்கவும்.",
+    "settingsTitle": "கைமுறை கணக்குச் சோதனைச் செய்திகள்",
+    "settingsDescription": "இந்தச் செய்தி Connections மற்றும் Provider Quota என்பவற்றின் கீழுள்ள சோதனைப் பொத்தான்களால் பயன்படுத்தப்படுகிறது. ஒவ்வொரு கணக்கிற்கும் மாடலைத் தனித்தனியாகத் தேர்ந்தெடுக்கவும். சேமிப்பது செய்தியை அனுப்பாது அல்லது தானியங்கி பிங்குகளை இயக்காது.",
+    "saveMessage": "செய்தியைச் சேமிக்கவும்",
+    "defaultModel": "இயல்புநிலை சோதனை மாடல்",
+    "defaultModelHint": "இந்தக் கணக்கிற்கான செய்தியைச் சோதிக்கும் பொத்தான்களால் தானாகப் பயன்படுத்தப்படும். இணைப்புடன் சேமிக்கப்படும்; எந்தச் செய்தியும் அனுப்பப்படாது."
+  }
 }
diff --git a/src/i18n/messages/te.json b/src/i18n/messages/te.json
index 6af7dad989a1..71d9efca2af6 100644
--- a/src/i18n/messages/te.json
+++ b/src/i18n/messages/te.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "అప్‌స్ట్రీమ్ డిఫాల్ట్స్‌ను పునరుద్ధరించండి",
     "resetToUpstreamDefaultsSuccess": "అప్‌స్ట్రీమ్ మోడల్ డిఫాల్ట్స్ పునరుద్ధరించబడ్డాయి",
     "resetToUpstreamDefaultsFailed": "అప్‌స్ట్రీమ్ మోడల్ డిఫాల్ట్స్‌ను పునరుద్ధరించడంలో విఫలమైంది",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "డిఫాల్ట్గా ప్రతి 6 గంటలకు మోడల్ జాబితాను స్వయంచాలకంగా రిఫ్రెష్ చేయండి (MODEL_SYNC_INTERVAL_HOURS ద్వారా కాన్ఫిగర్ చేయవచ్చు)",
     "autoSyncEnabled": "ఆటో-సింక్ ప్రారంభించబడింది — మోడళ్లు క్రమానుగతంగా తాజాపరచబడతాయి",
     "autoSyncDisabled": "ఆటో-సింక్ నిలిపివేయబడింది",
     "autoSyncToggleFailed": "ఆటో-సింక్ను మార్చడం విఫలమైంది",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "నిరీక్షణ వ్యవధిలో ఉంది",
     "codexPoolUsed": "ఉపయోగించబడింది",
     "codexPoolUntil": "{value} వరకు",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "అనామక ఫాల్బ్యాక్",
     "anonymousFallbackDesc": "అన్ని కాన్ఫిగర్ చేసిన కనెక్షన్లు ముగిసినప్పుడు (కోటా, క్రెడిట్స్, లేదా కాలం ముగిసినప్పుడు), తాత్కాలికంగా ఈ ప్రొవైడర్ యొక్క కీ లెస్ టియర్‌ను ఉపయోగించండి. అనామక అభ్యర్థనలను పంపించకుండా ఈ ప్రొవైడర్‌ను దాటించడానికి ఆపివేయండి — కీ లెస్ టియర్ వాటిని తిరస్కరించినప్పుడు (401) సిఫారసు చేయబడింది.",
     "anonymousFallbackEnabled": "{provider} కోసం అనామక ఫాల్బ్యాక్ ప్రారంభించబడింది",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "సేవ్ చేసిన మోడల్ ఎండ్‌పాయింట్ సెట్టింగ్స్",
     "searchByModelAria": "మోడల్ ద్వారా శోధించండి",
     "selectSupportedEndpoint": "కమిషన్ చేయబడిన కనెక్ట్ చేయబడిన ఎండ్‌పాయింట్‌లలో కనీసం ఒకటి ఎంచుకోండి",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "సెట్టింగ్లు",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "భాగస్వామి లింక్",
     "dismissAriaLabel": "మూసివేయి"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models కేటలాగ్లో ఆలోచనా స్థాయి వేరియంట్ల (ఉదా. -low, -medium, -high) సృష్టిని నిలిపివేయండి."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models కేటలాగ్లో ఆలోచనా స్థాయి వేరియంట్ల (ఉదా. -low, -medium, -high) సృష్టిని నిలిపివేయండి.",
+  "connectionTest": {
+    "title": "పరీక్ష సందేశం",
+    "description": "ఈ ఖాతా ద్వారా ఒక నిజమైన అభ్యర్థనను పంపండి. ఇది కొద్దిపాటి కోటాను ఉపయోగిస్తుంది మరియు ప్రొవైడర్ను బట్టి వినియోగ వ్యవధిని ప్రారంభించవచ్చు.",
+    "loading": "ఖాతా మోడల్లు లోడ్ అవుతున్నాయి…",
+    "model": "ఈ ఖాతా కోసం పరీక్ష మోడల్",
+    "chooseModel": "ఒక మోడల్ను ఎంచుకోండి",
+    "unavailable": "ప్రస్తుత కేటలాగ్లో లేదు",
+    "noModels": "చాట్ మోడల్లు ఏవీ అందుబాటులో లేవు. ముందుగా ఈ ఖాతా కోసం మోడల్లను సింక్ చేయండి.",
+    "message": "సందేశం",
+    "settingsLink": "AI Settingsలో సందేశాన్ని మార్చండి",
+    "activateFirst": "సందేశాన్ని పంపే ముందు ఈ ఖాతాను సక్రియం చేయండి.",
+    "saveModel": "మోడల్ను సేవ్ చేయండి",
+    "send": "పరీక్ష సందేశాన్ని పంపండి",
+    "saved": "సేవ్ చేయబడింది",
+    "answer": "మోడల్ ప్రతిస్పందన",
+    "failed": "అభ్యర్థన విఫలమైంది. దయచేసి మళ్లీ ప్రయత్నించండి.",
+    "settingsTitle": "మాన్యువల్ ఖాతా పరీక్ష సందేశాలు",
+    "settingsDescription": "ఈ సందేశాన్ని Connections మరియు Provider Quota కింద ఉన్న పరీక్ష బటన్లు ఉపయోగిస్తాయి. ప్రతి ఖాతా కోసం మోడల్ను విడిగా ఎంచుకోండి. సేవ్ చేయడం వల్ల సందేశం పంపబడదు లేదా ఆటోమేటిక్ పింగ్లు ప్రారంభించబడవు.",
+    "saveMessage": "సందేశాన్ని సేవ్ చేయండి",
+    "defaultModel": "డిఫాల్ట్ పరీక్ష మోడల్",
+    "defaultModelHint": "ఈ ఖాతాకు సంబంధించిన సందేశాన్ని పరీక్షించండి బటన్లు దీన్ని స్వయంచాలకంగా ఉపయోగిస్తాయి. కనెక్షన్తో పాటు సేవ్ చేయబడుతుంది; ఎలాంటి సందేశం పంపబడదు."
+  }
 }
diff --git a/src/i18n/messages/th.json b/src/i18n/messages/th.json
index 1b7d259fa931..7ff36baaad97 100644
--- a/src/i18n/messages/th.json
+++ b/src/i18n/messages/th.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "คืนค่าการตั้งค่าเริ่มต้นของ upstream",
     "resetToUpstreamDefaultsSuccess": "กู้คืนค่าเริ่มต้นของโมเดลต้นทาง",
     "resetToUpstreamDefaultsFailed": "ไม่สามารถกู้คืนค่าเริ่มต้นของโมเดลต้นน้ำได้",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "รีเฟรชรายการโมเดลโดยอัตโนมัติทุก 6 ชั่วโมงตามค่าเริ่มต้น (กำหนดค่าได้ผ่าน MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "เปิดใช้งานการซิงค์อัตโนมัติ — โมเดลจะรีเฟรชเป็นระยะ",
     "autoSyncDisabled": "ปิดใช้งานการซิงค์อัตโนมัติแล้ว",
     "autoSyncToggleFailed": "ไม่สามารถสลับการซิงค์อัตโนมัติ",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "อยู่ในช่วงพัก",
     "codexPoolUsed": "ใช้แล้ว",
     "codexPoolUntil": "จนถึง {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "การสำรองข้อมูลแบบไม่ระบุชื่อ",
     "anonymousFallbackDesc": "เมื่อการเชื่อมต่อที่กำหนดทั้งหมดหมดลง (โควตา, เครดิต, หรือหมดอายุ) ให้ใช้ชั้นที่ไม่มีคีย์ของผู้ให้บริการนี้ชั่วคราว ปิดเพื่อข้ามผู้ให้บริการนี้แทนที่จะส่งคำขอแบบไม่ระบุชื่อ — แนะนำเมื่อชั้นที่ไม่มีคีย์ปฏิเสธคำขอเหล่านั้น (401).",
     "anonymousFallbackEnabled": "เปิดใช้งานการสำรองข้อมูลแบบไม่ระบุชื่อสำหรับ {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "การตั้งค่า endpoint ของโมเดลที่บันทึกไว้",
     "searchByModelAria": "ค้นหาตามรุ่น",
     "selectSupportedEndpoint": "เลือกจุดสิ้นสุดที่รองรับอย่างน้อยหนึ่งจุด",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "การตั้งค่า",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "ลิงก์พาร์ทเนอร์",
     "dismissAriaLabel": "ปิด"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "ปิดใช้งานการสร้างโมเดลรูปแบบย่อยตามระดับการคิด (เช่น -low, -medium, -high) ในแค็ตตาล็อก /v1/models"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "ปิดใช้งานการสร้างโมเดลรูปแบบย่อยตามระดับการคิด (เช่น -low, -medium, -high) ในแค็ตตาล็อก /v1/models",
+  "connectionTest": {
+    "title": "ข้อความทดสอบ",
+    "description": "ส่งคำขอจริงหนึ่งรายการผ่านบัญชีนี้ การดำเนินการนี้จะใช้โควตาเล็กน้อยและอาจเริ่มรอบระยะเวลาการใช้งาน ทั้งนี้ขึ้นอยู่กับผู้ให้บริการ",
+    "loading": "กำลังโหลดโมเดลของบัญชี…",
+    "model": "โมเดลทดสอบสำหรับบัญชีนี้",
+    "chooseModel": "เลือกโมเดล",
+    "unavailable": "ไม่อยู่ในแค็ตตาล็อกปัจจุบัน",
+    "noModels": "ไม่มีโมเดลแชตที่พร้อมใช้งาน โปรดซิงค์โมเดลสำหรับบัญชีนี้ก่อน",
+    "message": "ข้อความ",
+    "settingsLink": "เปลี่ยนข้อความในการตั้งค่า AI",
+    "activateFirst": "เปิดใช้งานบัญชีนี้ก่อนส่งข้อความ",
+    "saveModel": "บันทึกโมเดล",
+    "send": "ส่งข้อความทดสอบ",
+    "saved": "บันทึกแล้ว",
+    "answer": "การตอบกลับของโมเดล",
+    "failed": "คำขอล้มเหลว โปรดลองอีกครั้ง",
+    "settingsTitle": "ข้อความทดสอบบัญชีแบบกำหนดเอง",
+    "settingsDescription": "ข้อความนี้ใช้โดยปุ่มทดสอบในส่วนการเชื่อมต่อและโควตาของผู้ให้บริการ ให้เลือกโมเดลแยกกันสำหรับแต่ละบัญชี การบันทึกจะไม่ส่งข้อความหรือเปิดใช้งานการ ping อัตโนมัติ",
+    "saveMessage": "บันทึกข้อความ",
+    "defaultModel": "โมเดลทดสอบเริ่มต้น",
+    "defaultModelHint": "ใช้โดยอัตโนมัติกับปุ่มทดสอบข้อความสำหรับบัญชีนี้ โดยจะบันทึกพร้อมกับการเชื่อมต่อ และไม่มีการส่งข้อความ"
+  }
 }
diff --git a/src/i18n/messages/tr.json b/src/i18n/messages/tr.json
index 6f9060fa1f06..99840c4b4647 100644
--- a/src/i18n/messages/tr.json
+++ b/src/i18n/messages/tr.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Varsayılan ayarları geri yükle",
     "resetToUpstreamDefaultsSuccess": "Yukarı akış model varsayılanları geri yüklendi",
     "resetToUpstreamDefaultsFailed": "Üst akış model varsayılanlarını geri yükleme başarısız oldu",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Model listesini varsayılan olarak her 6 saatte bir otomatik yenile (MODEL_SYNC_INTERVAL_HOURS ile yapılandırılabilir)",
     "autoSyncEnabled": "Otomatik senkronizasyon etkin — modeller periyodik olarak yenilenecek",
     "autoSyncDisabled": "Otomatik senkronizasyon devre dışı bırakıldı",
     "autoSyncToggleFailed": "Otomatik senkronizasyon durumu değiştirilemedi",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Bekleme süresinde",
     "codexPoolUsed": "kullanıldı",
     "codexPoolUntil": "{value} tarihine kadar",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonim yedekleme",
     "anonymousFallbackDesc": "Tüm yapılandırılmış bağlantılar tükendiğinde (kota, kredi veya süresi dolmuş), bu sağlayıcının anahtarsız katmanını geçici olarak kullanın. Anahtarsız katmanın bunları reddettiği (401) durumlarda, anonim istek göndermek yerine bu sağlayıcıyı atlamak için kapatın — önerilir.",
     "anonymousFallbackEnabled": "{provider} için anonim geri dönüş etkinleştirildi",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Kaydedilmiş model uç noktası ayarları",
     "searchByModelAria": "Model ile ara",
     "selectSupportedEndpoint": "En az bir desteklenen uç noktayı seçin",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Ayarlar",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "İş ortağı bağlantısı",
     "dismissAriaLabel": "Kapat"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models kataloğunda düşünme düzeyi varyantlarının (ör. -low, -medium, -high) oluşturulmasını devre dışı bırakın."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models kataloğunda düşünme düzeyi varyantlarının (ör. -low, -medium, -high) oluşturulmasını devre dışı bırakın.",
+  "connectionTest": {
+    "title": "Test mesajı",
+    "description": "Bu hesap üzerinden gerçek bir istek gönderin. Bu işlem az miktarda kota kullanır ve sağlayıcıya bağlı olarak bir kullanım dönemi başlatabilir.",
+    "loading": "Hesap modelleri yükleniyor…",
+    "model": "Bu hesap için test modeli",
+    "chooseModel": "Bir model seçin",
+    "unavailable": "mevcut katalogda yok",
+    "noModels": "Kullanılabilir sohbet modeli yok. Önce bu hesabın modellerini senkronize edin.",
+    "message": "Mesaj",
+    "settingsLink": "Mesajı AI Ayarları'ndan değiştirin",
+    "activateFirst": "Mesaj göndermeden önce bu hesabı etkinleştirin.",
+    "saveModel": "Modeli kaydet",
+    "send": "Test mesajı gönder",
+    "saved": "Kaydedildi",
+    "answer": "Model yanıtı",
+    "failed": "İstek başarısız oldu. Lütfen tekrar deneyin.",
+    "settingsTitle": "Manuel hesap test mesajları",
+    "settingsDescription": "Bu mesaj, Bağlantılar ve Sağlayıcı Kotası altındaki test düğmeleri tarafından kullanılır. Her hesap için modeli ayrı ayrı seçin. Kaydetmek mesaj göndermez veya otomatik pingleri etkinleştirmez.",
+    "saveMessage": "Mesajı kaydet",
+    "defaultModel": "Varsayılan test modeli",
+    "defaultModelHint": "Bu hesap için Test mesajı düğmeleri tarafından otomatik olarak kullanılır. Bağlantıyla birlikte kaydedilir; hiçbir mesaj gönderilmez."
+  }
 }
diff --git a/src/i18n/messages/uk-UA.json b/src/i18n/messages/uk-UA.json
index 8ed391b4c7f1..c7a944f92763 100644
--- a/src/i18n/messages/uk-UA.json
+++ b/src/i18n/messages/uk-UA.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Відновити значення за замовчуванням з upstream",
     "resetToUpstreamDefaultsSuccess": "Відновлено значення за замовчуванням моделі з upstream",
     "resetToUpstreamDefaultsFailed": "Не вдалося відновити значення за замовчуванням моделі upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Автоматично оновлювати список моделей кожні 6 год за замовчуванням (налаштовується через MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Автоматична синхронізація ввімкнена — моделі періодично оновлюватимуться",
     "autoSyncDisabled": "Автоматична синхронізація вимкнена",
     "autoSyncToggleFailed": "Не вдалося вимкнути автоматичну синхронізацію",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "У періоді очікування",
     "codexPoolUsed": "використано",
     "codexPoolUntil": "До {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Анонімний резервний варіант",
     "anonymousFallbackDesc": "Коли всі налаштовані з'єднання вичерпані (квота, кредити або термін дії), тимчасово використовуйте безключовий рівень цього постачальника. Вимкніть, щоб пропустити цього постачальника замість надсилання анонімних запитів — рекомендовано, коли безключовий рівень їх відхиляє (401).",
     "anonymousFallbackEnabled": "Анонімний резервний варіант увімкнено для {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Налаштування кінцевої точки збереженої моделі",
     "searchByModelAria": "Пошук за моделлю",
     "selectSupportedEndpoint": "Виберіть принаймні одну підтримувану точку доступу",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Налаштування",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Партнерське посилання",
     "dismissAriaLabel": "Закрити"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Вимкнути створення варіантів рівня міркування (наприклад, -low, -medium, -high) у каталозі /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Вимкнути створення варіантів рівня міркування (наприклад, -low, -medium, -high) у каталозі /v1/models.",
+  "connectionTest": {
+    "title": "Тестове повідомлення",
+    "description": "Надіслати один реальний запит через цей обліковий запис. Це використовує невелику частину квоти та, залежно від провайдера, може розпочати період використання.",
+    "loading": "Завантаження моделей облікового запису…",
+    "model": "Тестова модель для цього облікового запису",
+    "chooseModel": "Виберіть модель",
+    "unavailable": "відсутня в поточному каталозі",
+    "noModels": "Немає доступних моделей чату. Спочатку синхронізуйте моделі для цього облікового запису.",
+    "message": "Повідомлення",
+    "settingsLink": "Змініть повідомлення в налаштуваннях ШІ",
+    "activateFirst": "Активуйте цей обліковий запис, перш ніж надсилати повідомлення.",
+    "saveModel": "Зберегти модель",
+    "send": "Надіслати тестове повідомлення",
+    "saved": "Збережено",
+    "answer": "Відповідь моделі",
+    "failed": "Не вдалося виконати запит. Спробуйте ще раз.",
+    "settingsTitle": "Тестові повідомлення облікового запису вручну",
+    "settingsDescription": "Це повідомлення використовується кнопками тестування в розділах «Підключення» та «Квота провайдера». Вибирайте модель окремо для кожного облікового запису. Збереження не надсилає повідомлення й не вмикає автоматичні перевірки.",
+    "saveMessage": "Зберегти повідомлення",
+    "defaultModel": "Тестова модель за замовчуванням",
+    "defaultModelHint": "Автоматично використовується кнопками «Тестове повідомлення» для цього облікового запису. Зберігається разом із підключенням; повідомлення не надсилається."
+  }
 }
diff --git a/src/i18n/messages/ur.json b/src/i18n/messages/ur.json
index 2e941c02303c..305bb170af43 100644
--- a/src/i18n/messages/ur.json
+++ b/src/i18n/messages/ur.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "اپ اسٹریم ڈیفالٹس بحال کریں",
     "resetToUpstreamDefaultsSuccess": "اپ اسٹریم ماڈل کے ڈیفالٹس بحال کر دیے گئے ہیں",
     "resetToUpstreamDefaultsFailed": "اپ اسٹریم ماڈل کے ڈیفالٹس کو بحال کرنے میں ناکامی",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "بطور ڈیفالٹ ہر 6 گھنٹے بعد ماڈل کی فہرست خودکار طور پر ریفریش کریں (MODEL_SYNC_INTERVAL_HOURS کے ذریعے قابلِ ترتیب)",
     "autoSyncEnabled": "خودکار مطابقت پذیری فعال ہے — ماڈلز وقتاً فوقتاً تازہ ہوتے رہیں گے",
     "autoSyncDisabled": "خودکار مطابقت پذیری غیر فعال ہے",
     "autoSyncToggleFailed": "خودکار مطابقت پذیری تبدیل کرنے میں ناکامی",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "وقفۂ انتظار میں",
     "codexPoolUsed": "استعمال شدہ",
     "codexPoolUntil": "{value} تک",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "نامعلوم متبادل",
     "anonymousFallbackDesc": "جب تمام کنفیگر کردہ کنکشنز ختم ہو جائیں (کوٹہ، کریڈٹس، یا میعاد)، اس فراہم کنندہ کی بغیر کلید کی سطح کو عارضی طور پر استعمال کریں۔ اس فراہم کنندہ کو چھوڑنے کے لیے بند کریں بجائے اس کے کہ گمنام درخواستیں بھیجیں — جب بغیر کلید کی سطح انہیں مسترد کرتی ہے (401) تو یہ تجویز کردہ ہے۔",
     "anonymousFallbackEnabled": "{provider} کے لیے نامعلوم متبادل فعال ہے",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "محفوظ شدہ ماڈل اینڈپوائنٹ کی ترتیبات",
     "searchByModelAria": "ماڈل کے ذریعے تلاش کریں",
     "selectSupportedEndpoint": "کم از کم ایک سپورٹ کردہ اینڈپوائنٹ منتخب کریں",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "ترتیبات",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "شراکت دار کا لنک",
     "dismissAriaLabel": "بند کریں"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models کیٹلاگ میں سوچنے کی سطح کی مختلف صورتوں (مثلاً -low، -medium، -high) کی تخلیق غیر فعال کریں۔"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models کیٹلاگ میں سوچنے کی سطح کی مختلف صورتوں (مثلاً -low، -medium، -high) کی تخلیق غیر فعال کریں۔",
+  "connectionTest": {
+    "title": "آزمائشی پیغام",
+    "description": "اس اکاؤنٹ کے ذریعے ایک حقیقی درخواست بھیجیں۔ اس میں کوٹے کی معمولی مقدار استعمال ہوتی ہے اور فراہم کنندہ کے لحاظ سے استعمال کی ونڈو شروع ہو سکتی ہے۔",
+    "loading": "اکاؤنٹ کے ماڈلز لوڈ ہو رہے ہیں…",
+    "model": "اس اکاؤنٹ کے لیے آزمائشی ماڈل",
+    "chooseModel": "ایک ماڈل منتخب کریں",
+    "unavailable": "موجودہ کیٹلاگ میں نہیں ہے",
+    "noModels": "کوئی چیٹ ماڈل دستیاب نہیں۔ پہلے اس اکاؤنٹ کے ماڈلز سنک کریں۔",
+    "message": "پیغام",
+    "settingsLink": "AI Settings میں پیغام تبدیل کریں",
+    "activateFirst": "پیغام بھیجنے سے پہلے اس اکاؤنٹ کو فعال کریں۔",
+    "saveModel": "ماڈل محفوظ کریں",
+    "send": "آزمائشی پیغام بھیجیں",
+    "saved": "محفوظ ہو گیا",
+    "answer": "ماڈل کا جواب",
+    "failed": "درخواست ناکام ہو گئی۔ براہِ کرم دوبارہ کوشش کریں۔",
+    "settingsTitle": "اکاؤنٹ کے دستی آزمائشی پیغامات",
+    "settingsDescription": "یہ پیغام Connections اور Provider Quota کے تحت موجود آزمائشی بٹنوں کے ذریعے استعمال ہوتا ہے۔ ہر اکاؤنٹ کے لیے ماڈل الگ سے منتخب کریں۔ محفوظ کرنے سے کوئی پیغام نہیں بھیجا جاتا اور نہ ہی خودکار پنگز فعال ہوتے ہیں۔",
+    "saveMessage": "پیغام محفوظ کریں",
+    "defaultModel": "ڈیفالٹ آزمائشی ماڈل",
+    "defaultModelHint": "اس اکاؤنٹ کے لیے ٹیسٹ پیغام کے بٹنوں کے ذریعے خودکار طور پر استعمال کیا جاتا ہے۔ کنکشن کے ساتھ محفوظ کیا جاتا ہے؛ کوئی پیغام نہیں بھیجا جاتا۔"
+  }
 }
diff --git a/src/i18n/messages/uz.json b/src/i18n/messages/uz.json
index 921df3090c93..0a480e04cf06 100644
--- a/src/i18n/messages/uz.json
+++ b/src/i18n/messages/uz.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Yuqori oqim standart sozlamalarini tiklash",
     "resetToUpstreamDefaultsSuccess": "Yuqori oqim modelining standart sozlamalari tiklandi",
     "resetToUpstreamDefaultsFailed": "Yuqori oqim modelining standart sozlamalarini tiklab bo‘lmadi",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Odatiy holatda modellar roʻyxatini har 6 soatda avtomatik yangilash (MODEL_SYNC_INTERVAL_HOURS orqali sozlanadi)",
     "autoSyncEnabled": "Avtomatik sinxronlash yoqildi — modellar muntazam yangilanadi",
     "autoSyncDisabled": "Avtomatik sinxronlash o‘chirildi",
     "autoSyncToggleFailed": "Avtomatik sinxronlash holatini o‘zgartirib bo‘lmadi",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Kutish davrida",
     "codexPoolUsed": "ishlatilgan",
     "codexPoolUntil": "{value} gacha",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Anonim zaxira",
     "anonymousFallbackDesc": "Barcha sozlangan ulanishlar tugaganda (kvota, kreditlar yoki amal qilish muddati), ushbu provayderning kalitsiz tarifidan vaqtincha foydalaning. Anonim soʻrovlarni yuborish oʻrniga ushbu provayderni chetlab oʻtish uchun buni oʻchiring — kalitsiz tarif ularni rad etganda (401) tavsiya etiladi.",
     "anonymousFallbackEnabled": "{provider} uchun anonim zaxira yoqildi",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Model endpointi sozlamalari saqlandi",
     "searchByModelAria": "Model boʻyicha qidirish",
     "selectSupportedEndpoint": "Kamida bitta qoʻllab-quvvatlanadigan endpointni tanlang",
-    "antigravityClientProfileHarness": "Sinov vositasi / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Sinov vositasi / CLI"
   },
   "settings": {
     "title": "Sozlamalar",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Hamkor havolasi",
     "dismissAriaLabel": "Yopish"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models katalogida fikrlash darajasi variantlarini (masalan, -low, -medium, -high) yaratishni o‘chirib qo‘ying."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "/v1/models katalogida fikrlash darajasi variantlarini (masalan, -low, -medium, -high) yaratishni o‘chirib qo‘ying.",
+  "connectionTest": {
+    "title": "Sinov xabari",
+    "description": "Ushbu hisob orqali bitta haqiqiy soʻrov yuboring. Bu oz miqdordagi kvotadan foydalanadi va provayderga qarab foydalanish davrini boshlashi mumkin.",
+    "loading": "Hisob modellari yuklanmoqda…",
+    "model": "Ushbu hisob uchun sinov modeli",
+    "chooseModel": "Modelni tanlang",
+    "unavailable": "joriy katalogda mavjud emas",
+    "noModels": "Hech qanday chat modeli mavjud emas. Avval ushbu hisob uchun modellarni sinxronlang.",
+    "message": "Xabar",
+    "settingsLink": "Xabarni AI sozlamalarida oʻzgartiring",
+    "activateFirst": "Xabar yuborishdan oldin ushbu hisobni faollashtiring.",
+    "saveModel": "Modelni saqlash",
+    "send": "Sinov xabarini yuborish",
+    "saved": "Saqlandi",
+    "answer": "Model javobi",
+    "failed": "Soʻrov amalga oshmadi. Qayta urinib koʻring.",
+    "settingsTitle": "Hisobni qoʻlda sinash xabarlari",
+    "settingsDescription": "Bu xabar Connections va Provider Quota boʻlimlaridagi sinov tugmalari tomonidan ishlatiladi. Har bir hisob uchun modelni alohida tanlang. Saqlash xabar yubormaydi yoki avtomatik pinglarni yoqmaydi.",
+    "saveMessage": "Xabarni saqlash",
+    "defaultModel": "Standart sinov modeli",
+    "defaultModelHint": "Ushbu hisob uchun «Xabarni sinash» tugmalari tomonidan avtomatik ravishda ishlatiladi. Ulanish bilan birga saqlanadi; hech qanday xabar yuborilmaydi."
+  }
 }
diff --git a/src/i18n/messages/vi.json b/src/i18n/messages/vi.json
index 3c77ed894465..d7b58c7e2b40 100644
--- a/src/i18n/messages/vi.json
+++ b/src/i18n/messages/vi.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Khôi phục mặc định của upstream",
     "resetToUpstreamDefaultsSuccess": "Đã khôi phục các giá trị mặc định của mô hình upstream",
     "resetToUpstreamDefaultsFailed": "Không thể khôi phục mặc định mô hình upstream",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Tự động làm mới danh sách mô hình mỗi 6 giờ theo mặc định (có thể cấu hình qua MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Đã bật tự động đồng bộ hóa — các mô hình sẽ được làm mới định kỳ",
     "autoSyncDisabled": "Đã tắt tự động đồng bộ hóa",
     "autoSyncToggleFailed": "Không thể chuyển đổi trạng thái tự động đồng bộ hóa",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Đang trong thời gian chờ",
     "codexPoolUsed": "đã dùng",
     "codexPoolUntil": "Đến {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Dự phòng ẩn danh",
     "anonymousFallbackDesc": "Khi tất cả kết nối đã cấu hình đều cạn kiệt (hạn ngạch, tín dụng hoặc hết hạn), hãy tạm thời sử dụng tầng không cần khóa của nhà cung cấp này. Tắt tùy chọn này để bỏ qua nhà cung cấp thay vì gửi yêu cầu ẩn danh — khuyến nghị khi tầng không cần khóa từ chối các yêu cầu đó (401).",
     "anonymousFallbackEnabled": "Đã bật dự phòng ẩn danh cho {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Đã lưu cài đặt endpoint mô hình",
     "searchByModelAria": "Tìm kiếm theo mô hình",
     "selectSupportedEndpoint": "Chọn ít nhất một endpoint được hỗ trợ",
-    "antigravityClientProfileHarness": "Bộ điều khiển / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Bộ điều khiển / CLI"
   },
   "settings": {
     "title": "Cài đặt",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Liên kết đối tác",
     "dismissAriaLabel": "Đóng"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Tắt tính năng tạo biến thể cấp độ suy nghĩ (ví dụ: -low, -medium, -high) trong danh mục /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Tắt tính năng tạo biến thể cấp độ suy nghĩ (ví dụ: -low, -medium, -high) trong danh mục /v1/models.",
+  "connectionTest": {
+    "title": "Tin nhắn kiểm tra",
+    "description": "Gửi một yêu cầu thực qua tài khoản này. Thao tác này sử dụng một lượng nhỏ hạn mức và có thể bắt đầu một chu kỳ sử dụng, tùy thuộc vào nhà cung cấp.",
+    "loading": "Đang tải các mô hình của tài khoản…",
+    "model": "Mô hình kiểm tra cho tài khoản này",
+    "chooseModel": "Chọn một mô hình",
+    "unavailable": "không có trong danh mục hiện tại",
+    "noModels": "Không có mô hình trò chuyện nào khả dụng. Trước tiên, hãy đồng bộ các mô hình cho tài khoản này.",
+    "message": "Tin nhắn",
+    "settingsLink": "Thay đổi tin nhắn trong Cài đặt AI",
+    "activateFirst": "Kích hoạt tài khoản này trước khi gửi tin nhắn.",
+    "saveModel": "Lưu mô hình",
+    "send": "Gửi tin nhắn kiểm tra",
+    "saved": "Đã lưu",
+    "answer": "Phản hồi của mô hình",
+    "failed": "Yêu cầu không thành công. Vui lòng thử lại.",
+    "settingsTitle": "Tin nhắn kiểm tra tài khoản thủ công",
+    "settingsDescription": "Tin nhắn này được các nút kiểm tra trong Kết nối và Hạn mức nhà cung cấp sử dụng. Chọn riêng mô hình cho từng tài khoản. Việc lưu không gửi tin nhắn hoặc bật tính năng ping tự động.",
+    "saveMessage": "Lưu tin nhắn",
+    "defaultModel": "Mô hình kiểm tra mặc định",
+    "defaultModelHint": "Được các nút Kiểm tra tin nhắn tự động sử dụng cho tài khoản này. Được lưu cùng với kết nối; không có tin nhắn nào được gửi."
+  }
 }
diff --git a/src/i18n/messages/yo.json b/src/i18n/messages/yo.json
index 57288cb1be26..5453d7aa7e22 100644
--- a/src/i18n/messages/yo.json
+++ b/src/i18n/messages/yo.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "Dá àwọn ìṣètò àkọ́kọ́ orísun òkè padà",
     "resetToUpstreamDefaultsSuccess": "A ti dá àwọn ìṣètò àkọ́kọ́ módẹ́lì orísun òkè padà",
     "resetToUpstreamDefaultsFailed": "Dídá àwọn ìṣètò àkọ́kọ́ módẹ́lì orísun òkè padà kò ṣàṣeyọrí",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "Máa tún àtòjọ àwọn model ṣe láìfọwọ́yí ní gbogbo wákàtí 6 gẹ́gẹ́ bí àtúnṣe àkọ́kọ́ (a lè ṣètò rẹ̀ nípasẹ̀ MODEL_SYNC_INTERVAL_HOURS)",
     "autoSyncEnabled": "Ìmúdọ́gba aládàáṣiṣẹ́ ti ṣiṣẹ́ — a ó máa sọ àwọn módẹ́lì di tuntun lẹ́ẹ̀kọ̀ọ̀kan",
     "autoSyncDisabled": "Ìmúdọ́gba aládàáṣiṣẹ́ ti dáwọ́ dúró",
     "autoSyncToggleFailed": "Yíyí ìmúdọ́gba aládàáṣiṣẹ́ padà kò ṣàṣeyọrí",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "Ń wà ní àkókò ìsinmi",
     "codexPoolUsed": "ti a lò",
     "codexPoolUntil": "Títí di {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "Àṣàyàn àfẹ̀yìntì aláìlórúkọ",
     "anonymousFallbackDesc": "Nígbà tí gbogbo àwọn ìsopọ̀ tí a ṣètò bá ti tán (ìpín, kírẹ́díìtì, tàbí ọjọ́ ìparí), lo ìpele aláìní kọ́kọ́rọ́ ti olupèsè yìí fún ìgbà díẹ̀. Pa á láti fo olupèsè yìí dípò fífi àwọn ìbéèrè aláìlórúkọ ránṣẹ́ — a dámọ̀ràn èyí nígbà tí ìpele aláìní kọ́kọ́rọ́ bá kọ̀ wọ́n (401).",
     "anonymousFallbackEnabled": "Àṣàyàn àfẹ̀yìntì aláìlórúkọ ti ṣiṣẹ́ fún {provider}",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "Àwọn ààtò endpoint awoṣe tí a fipamọ́",
     "searchByModelAria": "Ṣàwárí nípa awoṣe",
     "selectSupportedEndpoint": "Yan ó kéré tán endpoint kan tí ó ní àtìlẹ́yìn",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "Àwọn Ààtò",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "Ìjápọ̀ aláṣiṣẹ́pọ̀",
     "dismissAriaLabel": "Pa á tì"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Pa ṣíṣẹ̀dá àwọn ẹ̀yà ìpele ìrònú (fún àpẹẹrẹ -low, -medium, -high) nínú àkójọ /v1/models."
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "Pa ṣíṣẹ̀dá àwọn ẹ̀yà ìpele ìrònú (fún àpẹẹrẹ -low, -medium, -high) nínú àkójọ /v1/models.",
+  "connectionTest": {
+    "title": "Ìfiránṣẹ́ ìdánwò",
+    "description": "Fi ìbéèrè gidi kan ránṣẹ́ nípasẹ̀ account yìí. Èyí máa ń lo ìwọ̀nba quota díẹ̀, ó sì lè bẹ̀rẹ̀ àkókò lílò, ó da lórí provider náà.",
+    "loading": "Ń gbé àwọn model account wọlé…",
+    "model": "Ṣe ìdánwò model fún account yìí",
+    "chooseModel": "Yan model kan",
+    "unavailable": "kò sí nínú catalog lọ́wọ́lọ́wọ́",
+    "noModels": "Kò sí àwọn model chat tó wà. Kọ́kọ́ sync àwọn model fún account yìí.",
+    "message": "Ìfiránṣẹ́",
+    "settingsLink": "Yí ìfiránṣẹ́ náà padà nínú AI Settings",
+    "activateFirst": "Mú account yìí ṣiṣẹ́ kí o tó fi ìfiránṣẹ́ ránṣẹ́.",
+    "saveModel": "Fi model pamọ́",
+    "send": "Fi ìfiránṣẹ́ ìdánwò ránṣẹ́",
+    "saved": "Ti fi pamọ́",
+    "answer": "Ìdáhùn model",
+    "failed": "Ìbéèrè náà kùnà. Jọ̀wọ́ gbìyànjú lẹ́ẹ̀kan sí i.",
+    "settingsTitle": "Àwọn ìfiránṣẹ́ ìdánwò account tí a fi ọwọ́ ṣe",
+    "settingsDescription": "Àwọn bọ́tìnì ìdánwò lábẹ́ Connections àti Provider Quota máa ń lo ìfiránṣẹ́ yìí. Yan model lọ́tọ̀ọ̀tọ̀ fún account kọ̀ọ̀kan. Fífipamọ́ kò ní fi ìfiránṣẹ́ ránṣẹ́ tàbí mú àwọn ping aládàáṣiṣẹ́ ṣiṣẹ́.",
+    "saveMessage": "Fi ìfiránṣẹ́ pamọ́",
+    "defaultModel": "Model ìdánwò àkọ́kọ́",
+    "defaultModelHint": "A máa ń lò ó láìfọwọ́yí nípasẹ̀ àwọn bọ́tìnì Test message fún àkọọ́lẹ̀ yìí. A fi pamọ́ pọ̀ mọ́ àsopọ̀ náà; kò sí ìfiranṣẹ́ tí a fi ránṣẹ́."
+  }
 }
diff --git a/src/i18n/messages/zh-CN.json b/src/i18n/messages/zh-CN.json
index 24f073dac68e..b066442bdc74 100644
--- a/src/i18n/messages/zh-CN.json
+++ b/src/i18n/messages/zh-CN.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "恢复上游默认值",
     "resetToUpstreamDefaultsSuccess": "已恢复上游模型默认设置",
     "resetToUpstreamDefaultsFailed": "恢复上游模型默认设置失败",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "默认每 6 小时自动刷新模型列表（可通过 MODEL_SYNC_INTERVAL_HOURS 配置）",
     "autoSyncEnabled": "自动同步已启用 — 模型将定期刷新",
     "autoSyncDisabled": "自动同步已禁用",
     "autoSyncToggleFailed": "切换自动同步失败",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "冷却中",
     "codexPoolUsed": "已使用",
     "codexPoolUntil": "截至 {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "匿名回退",
     "anonymousFallbackDesc": "当所有配置的连接耗尽（配额、积分或到期）时，临时使用此提供者的无密钥层。关闭以跳过此提供者，而不是发送匿名请求 — 当无密钥层拒绝它们时（401）建议使用。",
     "anonymousFallbackEnabled": "为 {provider} 启用匿名回退",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "已保存的模型端点设置",
     "searchByModelAria": "按型号搜索",
     "selectSupportedEndpoint": "请选择至少一个支持的端点",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "设置",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "合作伙伴链接",
     "dismissAriaLabel": "关闭"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "禁用在 /v1/models 目录中生成思考级别变体（例如 -low、-medium、-high）。"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "禁用在 /v1/models 目录中生成思考级别变体（例如 -low、-medium、-high）。",
+  "connectionTest": {
+    "title": "测试消息",
+    "description": "通过此账号发送一次真实请求。这会使用少量配额，并且可能会启动一个用量窗口，具体取决于提供商。",
+    "loading": "正在加载账号模型…",
+    "model": "此账号的测试模型",
+    "chooseModel": "选择模型",
+    "unavailable": "不在当前目录中",
+    "noModels": "没有可用的聊天模型。请先同步此账号的模型。",
+    "message": "消息",
+    "settingsLink": "在 AI 设置中更改消息",
+    "activateFirst": "发送消息前请先激活此账号。",
+    "saveModel": "保存模型",
+    "send": "发送测试消息",
+    "saved": "已保存",
+    "answer": "模型响应",
+    "failed": "请求失败。请重试。",
+    "settingsTitle": "手动账号测试消息",
+    "settingsDescription": "此消息用于“连接”和“提供商配额”下的测试按钮。请为每个账号分别选择模型。保存不会发送消息或启用自动 Ping。",
+    "saveMessage": "保存消息",
+    "defaultModel": "默认测试模型",
+    "defaultModelHint": "此账号的“测试消息”按钮会自动使用该设置。该设置将随连接一起保存；不会发送任何消息。"
+  }
 }
diff --git a/src/i18n/messages/zh-TW.json b/src/i18n/messages/zh-TW.json
index e5a0d24127c4..0569876637d1 100644
--- a/src/i18n/messages/zh-TW.json
+++ b/src/i18n/messages/zh-TW.json
@@ -5527,7 +5527,7 @@
     "resetToUpstreamDefaults": "恢復上游預設值",
     "resetToUpstreamDefaultsSuccess": "已恢復上游模型預設值",
     "resetToUpstreamDefaultsFailed": "無法恢復上游模型的預設值",
-    "autoSyncTooltip": "__MISSING__:Automatically refresh model list every 6h by default (configurable via MODEL_SYNC_INTERVAL_HOURS)",
+    "autoSyncTooltip": "預設每 6 小時自動重新整理模型清單（可透過 MODEL_SYNC_INTERVAL_HOURS 設定）",
     "autoSyncEnabled": "自動同步已啟用 — 模型將定期重新整理",
     "autoSyncDisabled": "自動同步已停用",
     "autoSyncToggleFailed": "切換自動同步失敗",
@@ -6599,6 +6599,16 @@
     "codexPoolCoolingDown": "冷卻中",
     "codexPoolUsed": "已使用",
     "codexPoolUntil": "截至 {value}",
+    "quotaNoData": "No usage data yet",
+    "quotaRefresh": "Refresh usage",
+    "quotaCredits": "{count} credits",
+    "quotaUnlimited": "unlimited",
+    "quotaResetIn": "resets in {time}",
+    "quotaMoreWindows": "{count} more usage windows",
+    "quotaWindowMonthly": "Monthly",
+    "quotaWindowSpark": "Spark",
+    "quotaDetails": "Usage details",
+    "quotaPlanBadge": "Subscription plan (from usage data)",
     "anonymousFallbackTitle": "匿名後備",
     "anonymousFallbackDesc": "當所有配置的連接耗盡（配額、積分或到期）時，暫時使用此提供者的無密鑰層級。關閉以跳過此提供者，而不是發送匿名請求 — 當無密鑰層級拒絕它們（401）時建議這樣做。",
     "anonymousFallbackEnabled": "為 {provider} 啟用匿名後備",
@@ -6679,17 +6689,7 @@
     "savedModelEndpointSettings": "已儲存的模型端點設定",
     "searchByModelAria": "按型號搜尋",
     "selectSupportedEndpoint": "請選擇至少一個受支持的端點",
-    "antigravityClientProfileHarness": "Harness / CLI",
-    "quotaNoData": "No usage data yet",
-    "quotaRefresh": "Refresh usage",
-    "quotaCredits": "{count} credits",
-    "quotaUnlimited": "unlimited",
-    "quotaResetIn": "resets in {time}",
-    "quotaMoreWindows": "{count} more usage windows",
-    "quotaWindowMonthly": "Monthly",
-    "quotaWindowSpark": "Spark",
-    "quotaDetails": "Usage details",
-    "quotaPlanBadge": "Subscription plan (from usage data)"
+    "antigravityClientProfileHarness": "Harness / CLI"
   },
   "settings": {
     "title": "設定",
@@ -14640,5 +14640,27 @@
     "partnerLinkNote": "合作夥伴連結",
     "dismissAriaLabel": "關閉"
   },
-  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "停用在 /v1/models 目錄中產生思考層級變體（例如 -low、-medium、-high）。"
+  "featureFlagOmnirouteDisableThinkingLevelVariantsDescription": "停用在 /v1/models 目錄中產生思考層級變體（例如 -low、-medium、-high）。",
+  "connectionTest": {
+    "title": "測試訊息",
+    "description": "透過此帳戶傳送一個實際請求。這會使用少量配額，且視供應商而定，可能會啟動用量週期。",
+    "loading": "正在載入帳戶模型…",
+    "model": "此帳戶的測試模型",
+    "chooseModel": "選擇模型",
+    "unavailable": "不在目前的目錄中",
+    "noModels": "沒有可用的聊天模型。請先同步此帳戶的模型。",
+    "message": "訊息",
+    "settingsLink": "在 AI 設定中變更訊息",
+    "activateFirst": "請先啟用此帳戶，再傳送訊息。",
+    "saveModel": "儲存模型",
+    "send": "傳送測試訊息",
+    "saved": "已儲存",
+    "answer": "模型回應",
+    "failed": "請求失敗。請再試一次。",
+    "settingsTitle": "手動帳戶測試訊息",
+    "settingsDescription": "此訊息供「連線」和「供應商配額」下方的測試按鈕使用。請為每個帳戶分別選擇模型。儲存不會傳送訊息，也不會啟用自動 Ping。",
+    "saveMessage": "儲存訊息",
+    "defaultModel": "預設測試模型",
+    "defaultModelHint": "此帳戶的「測試訊息」按鈕會自動使用此設定。設定會隨連線儲存；不會傳送任何訊息。"
+  }
 }