diff --git a/apps/desktop/src/renderer/features/todo-agent/TodoButton/TodoButton.tsx b/apps/desktop/src/renderer/features/todo-agent/TodoButton/TodoButton.tsx
index 4f74e5a5474..d337a7fa70c 100644
--- a/apps/desktop/src/renderer/features/todo-agent/TodoButton/TodoButton.tsx
+++ b/apps/desktop/src/renderer/features/todo-agent/TodoButton/TodoButton.tsx
@@ -1,6 +1,6 @@
 import { Button } from "@superset/ui/button";
 import { cn } from "@superset/ui/utils";
-import { memo, useCallback, useState } from "react";
+import { memo, useCallback, useMemo, useState } from "react";
 import { HiMiniListBullet } from "react-icons/hi2";
 import { electronTrpc } from "renderer/lib/electron-trpc";
 import { TodoManager } from "../TodoManager";
@@ -12,6 +12,46 @@ interface TodoButtonProps {
 	worktreePath?: string | null;
 }
 
+type StatusCategory = "running" | "queued" | "failed" | "paused";
+
+interface StatusBadgeConfig {
+	label: string;
+	dot: string;
+	badge: string;
+	pulse?: boolean;
+}
+
+const STATUS_BADGE_ORDER: StatusCategory[] = [
+	"running",
+	"queued",
+	"failed",
+	"paused",
+];
+
+const STATUS_BADGE_META: Record<StatusCategory, StatusBadgeConfig> = {
+	running: {
+		label: "実行中",
+		dot: "bg-amber-500",
+		badge: "bg-amber-500/15 text-amber-600 dark:text-amber-400",
+		pulse: true,
+	},
+	queued: {
+		label: "待機中",
+		dot: "bg-primary",
+		badge: "bg-primary/15 text-primary",
+	},
+	failed: {
+		label: "失敗/要確認",
+		dot: "bg-rose-500",
+		badge: "bg-rose-500/15 text-rose-600 dark:text-rose-400",
+	},
+	paused: {
+		label: "一時停止",
+		dot: "bg-muted-foreground/60",
+		badge: "bg-muted text-muted-foreground",
+	},
+};
+
 /**
  * Entry point for the fork-local TODO autonomous agent feature. Sits
  * immediately left of the WorkspaceRunButton in PresetsBar.
@@ -32,16 +72,51 @@ export const TodoButton = memo(function TodoButton({
 		{ refetchInterval: 3000 },
 	);
 
-	const runningCount = (allSessions ?? []).filter(
-		(s) =>
-			s.status === "preparing" ||
-			s.status === "running" ||
-			s.status === "verifying",
-	).length;
-	const queuedCount = (allSessions ?? []).filter(
-		(s) => s.status === "queued",
-	).length;
-	const activeCount = runningCount + queuedCount;
+	const counts = useMemo(() => {
+		const acc: Record<StatusCategory, number> = {
+			running: 0,
+			queued: 0,
+			failed: 0,
+			paused: 0,
+		};
+		for (const s of allSessions ?? []) {
+			switch (s.status) {
+				case "preparing":
+				case "running":
+				case "verifying":
+					acc.running += 1;
+					break;
+				case "queued":
+				case "waiting":
+					// `waiting` は ScheduleWakeup で一時停止中のセッション。
+					// scheduler が waitingUntil 経過後に自動で queued に戻すため、
+					// slot を占有している扱いとして queued と同じバッジで集計する。
+					acc.queued += 1;
+					break;
+				case "failed":
+				case "escalated":
+					acc.failed += 1;
+					break;
+				case "paused":
+					acc.paused += 1;
+					break;
+				default:
+					break;
+			}
+		}
+		return acc;
+	}, [allSessions]);
+
+	const activeCount =
+		counts.running + counts.queued + counts.failed + counts.paused;
+
+	const tooltip = useMemo(() => {
+		const parts = STATUS_BADGE_ORDER.filter((key) => counts[key] > 0).map(
+			(key) => `${STATUS_BADGE_META[key].label}: ${counts[key]}`,
+		);
+		if (parts.length === 0) return "自律 TODO Agent Manager を開く";
+		return `自律 TODO Agent Manager を開く (${parts.join(" / ")})`;
+	}, [counts]);
 
 	const handleRequestNewTodo = useCallback(() => {
 		setModalOpen(true);
@@ -55,25 +130,47 @@ export const TodoButton = memo(function TodoButton({
 				variant="ghost"
 				className={cn(
 					"h-7 gap-1 px-2 text-xs",
-					activeCount > 0 && "text-primary",
+					counts.running > 0 && "text-primary",
 				)}
 				onClick={() => setManagerOpen(true)}
-				title="自律 TODO Agent Manager を開く"
+				title={tooltip}
 			>
 				<HiMiniListBullet className="size-4" />
 				<span className="font-medium">TODO</span>
-				{runningCount > 0 && (
-					<span className="relative ml-1 flex items-center gap-1 rounded-full bg-primary/15 px-1.5 py-px text-[10px] font-semibold tabular-nums">
-						<span className="relative flex size-1.5">
-							<span className="absolute inline-flex size-full animate-ping rounded-full bg-primary/60" />
-							<span className="relative inline-flex size-1.5 rounded-full bg-primary" />
-						</span>
-						{runningCount}
-					</span>
-				)}
-				{queuedCount > 0 && (
-					<span className="rounded-full bg-muted px-1.5 py-px text-[10px] font-semibold tabular-nums text-muted-foreground">
-						+{queuedCount}
+				{activeCount > 0 && (
+					<span className="ml-1 flex items-center gap-1">
+						{STATUS_BADGE_ORDER.map((key) => {
+							const count = counts[key];
+							if (count <= 0) return null;
+							const meta = STATUS_BADGE_META[key];
+							return (
+								<span
+									key={key}
+									className={cn(
+										"relative flex items-center gap-1 rounded-full px-1.5 py-px text-[10px] font-semibold tabular-nums",
+										meta.badge,
+									)}
+								>
+									<span className="relative flex size-1.5">
+										{meta.pulse && (
+											<span
+												className={cn(
+													"absolute inline-flex size-full animate-ping rounded-full opacity-60",
+													meta.dot,
+												)}
+											/>
+										)}
+										<span
+											className={cn(
+												"relative inline-flex size-1.5 rounded-full",
+												meta.dot,
+											)}
+										/>
+									</span>
+									{count}
+								</span>
+							);
+						})}
 					</span>
 				)}
 			</Button>