fix: model picker stays usable during provider loading

ui/goose2/src/app/hooks/useAppStartup.ts

@@ -75,40 +75,6 @@ export function useAppStartup() {
         }
       };
 
-      const refreshConfiguredProviderInventory = async (
-        initialEntries?: Awaited<ReturnType<typeof loadProvidersAndInventory>>,
-      ) => {
-        try {
-          const entries =
-            initialEntries && initialEntries.length > 0
-              ? initialEntries
-              : await (async () => {
-                  const { getProviderInventory } = await import(
-                    "@/features/providers/api/inventory"
-                  );
-                  return getProviderInventory();
-                })();
-          const configuredProviderIds = entries
-            .filter((entry) => entry.configured)
-            .map((entry) => entry.providerId);
-          if (configuredProviderIds.length === 0) {
-            return;
-          }
-
-          const { syncProviderInventory } = await import(
-            "@/features/providers/api/inventorySync"
-          );
-          await syncProviderInventory(configuredProviderIds, {
-            onEntries: (entries) => inventoryStore.mergeEntries(entries),
-          });
-        } catch (err) {
-          console.error(
-            "Failed to refresh provider inventory on startup:",
-            err,
-          );
-        }
-      };
-
       const loadSessionState = async () => {
         const t0 = performance.now();
         perfLog("[perf:startup] loadSessionState start");
@@ -128,9 +94,19 @@ export function useAppStartup() {
         providersAndInventoryLoad,
         loadSessionState(),
       ]);
-      void providersAndInventoryLoad.then((entries) =>
-        refreshConfiguredProviderInventory(entries),
-      );
+      void providersAndInventoryLoad.then(async (entries) => {
+        try {
+          const { backgroundRefreshInventory } = await import(
+            "@/features/providers/api/inventory"
+          );
+          await backgroundRefreshInventory(inventoryStore, entries);
+        } catch (err) {
+          console.error(
+            "Failed to refresh provider inventory on startup:",
+            err,
+          );
+        }
+      });
       perfLog(
         `[perf:startup] useAppStartup complete in ${(performance.now() - tStartup).toFixed(1)}ms`,
       );

ui/goose2/src/features/chat/hooks/useAgentModelPickerState.ts

@@ -1,6 +1,7 @@
-import { useCallback, useMemo } from "react";
+import { useCallback, useMemo, useRef } from "react";
 import type { AcpProvider } from "@/shared/api/acp";
 import { useProviderInventory } from "@/features/providers/hooks/useProviderInventory";
+import { useProviderInventoryStore } from "@/features/providers/stores/providerInventoryStore";
 import {
   getCatalogEntry,
   resolveAgentProviderCatalogIdStrict,
@@ -162,6 +163,24 @@ export function useAgentModelPickerState({
     [availableModels, onModelSelected],
   );
 
+  const refreshingRef = useRef(false);
+  const handlePickerOpen = useCallback(() => {
+    if (refreshingRef.current || useProviderInventoryStore.getState().loading) {
+      return;
+    }
+    refreshingRef.current = true;
+    import("@/features/providers/api/inventory")
+      .then(({ backgroundRefreshInventory }) =>
+        backgroundRefreshInventory(useProviderInventoryStore.getState()),
+      )
+      .catch((err) =>
+        console.error("Failed to background-refresh inventory:", err),
+      )
+      .finally(() => {
+        refreshingRef.current = false;
+      });
+  }, []);
+
   return {
     selectedAgentId,
     pickerAgents,
@@ -170,5 +189,6 @@ export function useAgentModelPickerState({
     modelStatusMessage,
     handleProviderChange,
     handleModelChange,
+    handlePickerOpen,
   };
 }

ui/goose2/src/features/chat/hooks/useChatSessionController.ts

@@ -230,6 +230,7 @@ export function useChatSessionController({
     modelStatusMessage,
     handleProviderChange,
     handleModelChange,
+    handlePickerOpen,
     effectiveModelSelection,
   } = useResolvedAgentModelPicker({
     providers,
@@ -819,6 +820,7 @@ export function useChatSessionController({
     modelsLoading,
     modelStatusMessage,
     handleModelChange: handleModelChangeWithContextReset,
+    handlePickerOpen,
     selectedProjectId: effectiveProjectId,
     availableProjects,
     handleProjectChange,

ui/goose2/src/features/chat/hooks/useResolvedAgentModelPicker.ts

@@ -184,6 +184,7 @@ export function useResolvedAgentModelPicker({
     modelStatusMessage,
     handleProviderChange,
     handleModelChange,
+    handlePickerOpen,
   } = useAgentModelPickerState({
     providers,
     selectedProvider,
@@ -463,6 +464,7 @@ export function useResolvedAgentModelPicker({
     modelStatusMessage,
     handleProviderChange,
     handleModelChange,
+    handlePickerOpen,
     effectiveModelSelection,
   };
 }

ui/goose2/src/features/chat/types.ts

@@ -64,6 +64,7 @@ export interface ChatInputProps {
   modelsLoading?: boolean;
   modelStatusMessage?: string | null;
   onModelChange?: (modelId: string) => void;
+  onPickerOpen?: () => void;
   selectedProjectId?: string | null;
   availableProjects?: ProjectOption[];
   onProjectChange?: (projectId: string | null) => void;

ui/goose2/src/features/chat/ui/AgentModelPicker.tsx

@@ -7,8 +7,6 @@ import {
 } from "@tabler/icons-react";
 import { useTranslation } from "react-i18next";
 import type { AcpProvider } from "@/shared/api/acp";
-import { getProviderInventory } from "@/features/providers/api/inventory";
-import { useProviderInventoryStore } from "@/features/providers/stores/providerInventoryStore";
 import { cn } from "@/shared/lib/cn";
 import { Button } from "@/shared/ui/button";
 import { Popover, PopoverContent, PopoverTrigger } from "@/shared/ui/popover";
@@ -34,6 +32,7 @@ interface AgentModelPickerProps {
   loading?: boolean;
   isCompact?: boolean;
   showSelectedModelInTrigger?: boolean;
+  onOpen?: () => void;
 }
 
 function getModelDisplayName(model: ModelOption) {
@@ -321,14 +320,11 @@ export function AgentModelPicker({
   loading = false,
   isCompact = false,
   showSelectedModelInTrigger = true,
+  onOpen,
 }: AgentModelPickerProps) {
   const { t } = useTranslation("chat");
   const [open, setOpen] = useState(false);
   const [modelView, setModelView] = useState<ModelView>("recommended");
-  const mergeInventoryEntries = useProviderInventoryStore(
-    (s) => s.mergeEntries,
-  );
-
   const selectedAgentLabel =
     agents.find((agent) => agent.id === selectedAgentId)?.label ??
     formatProviderLabel(selectedAgentId);
@@ -358,52 +354,32 @@ export function AgentModelPicker({
     }
   }, [open]);
 
-  useEffect(() => {
-    if (!open) {
-      return;
-    }
-
-    let cancelled = false;
-
-    const syncInventory = async () => {
-      try {
-        const entries = await getProviderInventory();
-        if (cancelled) {
-          return;
-        }
-        mergeInventoryEntries(entries);
-      } catch (error) {
-        console.error("Failed to sync provider inventory from picker:", error);
-      }
-    };
-
-    void syncInventory();
-
-    return () => {
-      cancelled = true;
-    };
-  }, [open, mergeInventoryEntries]);
-
   // When in "all" view, expand the popover to full width for the search experience.
   const isAllView = modelView === "all";
 
   return (
-    <Popover open={open} onOpenChange={setOpen}>
+    <Popover
+      open={open}
+      onOpenChange={(nextOpen) => {
+        setOpen(nextOpen);
+        if (nextOpen) onOpen?.();
+      }}
+    >
       <PopoverTrigger asChild>
         <Button
           type="button"
           variant="toolbar"
           size="sm"
           aria-label={t("toolbar.chooseAgentModel")}
-          disabled={loading}
+          disabled={loading && !selectedAgentLabel}
           leftIcon={getProviderIcon(selectedAgentId, "size-3.5")}
           rightIcon={<IconChevronDown className="opacity-50" />}
           className="min-w-0"
         >
           <span className={cn("truncate", isCompact ? "max-w-32" : "max-w-56")}>
-            {loading
-              ? t("toolbar.loading")
-              : (triggerModelLabel ?? selectedAgentLabel)}
+            {triggerModelLabel ??
+              selectedAgentLabel ??
+              (loading ? t("toolbar.loading") : null)}
           </span>
         </Button>
       </PopoverTrigger>
@@ -512,9 +488,25 @@ export function AgentModelPicker({
             className="flex min-h-0 min-w-0 overflow-hidden p-1"
           >
             {modelsLoading ? (
-              <div className="flex min-h-0 flex-1 items-center gap-2 px-2 py-2 text-sm text-muted-foreground">
-                <Spinner className="size-4" />
-                <span>{t("toolbar.loadingModels")}</span>
+              <div className="flex min-h-0 min-w-0 flex-1 flex-col">
+                <div className="shrink-0 px-2 py-1.5 text-sm font-semibold">
+                  {t("toolbar.model")}
+                </div>
+                {currentModelName || currentModelId ? (
+                  <div className="space-y-0.5 p-1">
+                    <PickerItem selected disabled>
+                      <div className="min-w-0 flex-1 truncate">
+                        {currentModelName ?? currentModelId}
+                      </div>
+                      <Spinner className="size-3.5 shrink-0" />
+                    </PickerItem>
+                  </div>
+                ) : (
+                  <div className="flex min-h-0 flex-1 items-center gap-2 px-2 py-2 text-sm text-muted-foreground">
+                    <Spinner className="size-4" />
+                    <span>{t("toolbar.loadingModels")}</span>
+                  </div>
+                )}
               </div>
             ) : availableModels.length > 0 ? (
               modelView === "recommended" ? (

ui/goose2/src/features/chat/ui/ChatInput.tsx

@@ -48,6 +48,7 @@ export function ChatInput({
   modelsLoading = false,
   modelStatusMessage = null,
   onModelChange,
+  onPickerOpen,
   selectedProjectId = null,
   availableProjects = [],
   onProjectChange,
@@ -455,6 +456,7 @@ export function ChatInput({
                 modelsLoading={modelsLoading}
                 modelStatusMessage={modelStatusMessage}
                 onModelChange={onModelChange}
+                onPickerOpen={onPickerOpen}
                 selectedProjectId={selectedProjectId}
                 availableProjects={availableProjects}
                 onProjectChange={onProjectChange}

ui/goose2/src/features/chat/ui/ChatInputToolbar.tsx

@@ -63,6 +63,7 @@ interface ChatInputToolbarProps {
   modelsLoading?: boolean;
   modelStatusMessage?: string | null;
   onModelChange?: (modelId: string) => void;
+  onPickerOpen?: () => void;
   // Project
   selectedProjectId: string | null;
   availableProjects: ProjectOption[];
@@ -108,6 +109,7 @@ export function ChatInputToolbar({
   modelsLoading = false,
   modelStatusMessage = null,
   onModelChange,
+  onPickerOpen,
   selectedProjectId,
   availableProjects,
   onProjectChange,
@@ -231,6 +233,7 @@ export function ChatInputToolbar({
             modelsLoading={modelsLoading}
             modelStatusMessage={modelStatusMessage}
             onModelChange={onModelChange}
+            onOpen={onPickerOpen}
             loading={providersLoading}
             isCompact={isCompact}
             showSelectedModelInTrigger={selectedPersonaId === null}

ui/goose2/src/features/chat/ui/ChatView.tsx

@@ -139,6 +139,7 @@ export function ChatView({
             modelsLoading={controller.modelsLoading}
             modelStatusMessage={controller.modelStatusMessage}
             onModelChange={controller.handleModelChange}
+            onPickerOpen={controller.handlePickerOpen}
             selectedProjectId={controller.selectedProjectId}
             availableProjects={controller.availableProjects}
             onProjectChange={controller.handleProjectChange}

ui/goose2/src/features/home/ui/HomeScreen.tsx

@@ -92,6 +92,7 @@ function HomeComposer({
       modelsLoading={controller.modelsLoading}
       modelStatusMessage={controller.modelStatusMessage}
       onModelChange={controller.handleModelChange}
+      onPickerOpen={controller.handlePickerOpen}
       selectedProjectId={controller.selectedProjectId}
       availableProjects={controller.availableProjects}
       onProjectChange={controller.handleProjectChange}