@@ -0,0 +1,19 @@
+---
+'@object-ui/plugin-chatbot': patch
+'@object-ui/i18n': patch
+'@object-ui/app-shell': patch
+---
+
+feat(studio): the right slot counts the copilot's items awaiting confirmation, 「AI 副驾 · N 项待确认」
+
+Clause-②: yes (widening)
+Metadata-protocol: none
+
+Studio's right slot used to say only that "a plan awaits your approval", and only for a build plan. The copilot's change plan (the 「修改方案 · N 项」 card it proposes for an app that already exists) did not light it at all. Now:
+
+- **The count.** The copilot tab of the slot's 属性 | AI 副驾 header carries a badge with the number of items awaiting confirmation, and while the properties show, the folded copilot strip at the slot's foot reads 「AI 副驾 · N 项待确认 · 回到对话 →」 (en: "AI copilot · N awaiting your approval"). The number is the rows of the newest change plan, or 1 for a build plan. The badge and the strip go away the moment the author clicks 存为草稿 / Confirm or Build it, or the change lands.
+- **A change plan is a proposal.** The chat's reading of "the newest proposal still waits for the user" now includes a change plan whose card still offers its confirm button, not only a build plan whose card offers "Build it". The console's chat launchers (the FAB and the ChatDock edge launcher) therefore also show their waiting marker while a change plan awaits confirmation.
+
+`@object-ui/plugin-chatbot`: the `onPlanApprovalPendingChange` prop on `ChatbotEnhancedProps` now receives a second argument, `count: number` (the items the newest proposal asks the user to confirm; 0 when nothing is pending), and it fires when either value changes. A host that reads only the first argument is unaffected. The boolean now also reads `true` for a pending change plan (see above).
+
+`@object-ui/i18n`: the `studio` namespace gains `engine.studio.slot.pendingCount` (en and zh, interpolates `count`). No key is removed or renamed; `engine.studio.slot.planPending` stays in the table.
@@ -0,0 +1,86 @@
+/**
+ * ObjectUI
+ * Copyright (c) 2024-present ObjectStack Inc.
+ *
+ * objectstack#25943 — the assistant bus keeps how many items each chat reads
+ * as awaiting the user's confirmation, so Studio's right slot can show
+ * 「N 项待确认」. `usePlanApprovalPendingCount` sums the signed-in user's
+ * conversations; `usePlanApprovalPending` (the launchers' marker) is that sum
+ * above 0. The publishing path from the chat is pinned in
+ * `AiChatPage.planApprovalReachesLaunchers-11666.test.tsx`.
+ */
+import '@testing-library/jest-dom/vitest';
+import { afterEach, describe, expect, it } from 'vitest';
+import { act, cleanup, render, screen } from '@testing-library/react';
+import React from 'react';
+import {
+  publishPlanApprovalPending,
+  usePlanApprovalPending,
+  usePlanApprovalPendingCount,
+} from '../assistantBus';
+
+// No AuthProvider here: `useAuth` answers its signed-out default, whose user id
+// the bus reads as '' — the owner every reading below is published for.
+const ME = undefined;
+
+function Probe() {
+  const count = usePlanApprovalPendingCount();
+  const pending = usePlanApprovalPending();
+  return <output data-testid="probe" data-count={count} data-pending={String(pending)} />;
+}
+
+function publish(conversationId: string, pending: boolean, count?: number, userId: string | undefined = ME) {
+  act(() => publishPlanApprovalPending({ userId, conversationId, pending, count }));
+}
+
+const probe = () => screen.getByTestId('probe');
+
+afterEach(() => {
+  // The bus is a module singleton: drop every reading a case left behind.
+  for (const id of ['conv-a', 'conv-b']) {
+    for (const userId of [ME, 'someone-else']) {
+      act(() => publishPlanApprovalPending({ userId, conversationId: id, pending: false }));
+    }
+  }
+  cleanup();
+});
+
+describe('usePlanApprovalPendingCount (objectstack#25943)', () => {
+  it('is 0, and not pending, while nothing awaits approval', () => {
+    render(<Probe />);
+    expect(probe()).toHaveAttribute('data-count', '0');
+    expect(probe()).toHaveAttribute('data-pending', 'false');
+  });
+
+  it('sums the items of every conversation of the signed-in user, and follows a count change', () => {
+    render(<Probe />);
+    publish('conv-a', true, 2);
+    expect(probe()).toHaveAttribute('data-count', '2');
+    expect(probe()).toHaveAttribute('data-pending', 'true');
+
+    publish('conv-b', true, 1);
+    expect(probe()).toHaveAttribute('data-count', '3');
+
+    publish('conv-a', true, 4);
+    expect(probe()).toHaveAttribute('data-count', '5');
+
+    publish('conv-a', false);
+    expect(probe()).toHaveAttribute('data-count', '1');
+    publish('conv-b', false);
+    expect(probe()).toHaveAttribute('data-count', '0');
+    expect(probe()).toHaveAttribute('data-pending', 'false');
+  });
+
+  it('a reading published without a count counts 1', () => {
+    render(<Probe />);
+    publish('conv-a', true);
+    expect(probe()).toHaveAttribute('data-count', '1');
+  });
+
+  it("another user's readings are not counted", () => {
+    render(<Probe />);
+    publish('conv-a', true, 3, 'someone-else');
+    expect(probe()).toHaveAttribute('data-count', '0');
+    expect(probe()).toHaveAttribute('data-pending', 'false');
+  });
+});
@@ -193,9 +193,20 @@ export function subscribeMetadataRefresh(listener: () => void): () => void {
 //     the next session in the tab.
 // Kept OFF the snapshot bus above, like the two event channels: a plan's state
 // must not re-render every `useAssistant` consumer.
+//
+// objectstack#25943 — each reading also carries how many items the proposal
+// asks the user to confirm (a change plan's rows, 1 for a proposed plan), the
+// 「N 项待确认」 Studio's right slot shows beside the folded copilot.
+
+interface PlanApprovalReading {
+  /** The user whose chat read the proposal as awaiting approval. */
+  owner: string;
+  /** Items awaiting confirmation; at least 1. */
+  count: number;
+}
 
-/** conversation id → the user whose chat read its plan as awaiting approval. */
-let planApprovalOwners: ReadonlyMap<string, string> = new Map();
+/** conversation id → the reading of its newest proposal, while one awaits approval. */
+let planApprovalOwners: ReadonlyMap<string, PlanApprovalReading> = new Map();
 const planApprovalListeners = new Set<() => void>();
 
 function subscribePlanApproval(listener: () => void): () => void {
@@ -205,25 +216,34 @@ function subscribePlanApproval(listener: () => void): () => void {
   };
 }
 
-function getPlanApprovalOwners(): ReadonlyMap<string, string> {
+function getPlanApprovalOwners(): ReadonlyMap<string, PlanApprovalReading> {
   return planApprovalOwners;
 }
 
 /**
- * Record a chat's reading of whether `conversationId`'s newest proposed plan
- * awaits the user's approval (chat hosts call this). No-op when unchanged.
+ * Record a chat's reading of whether `conversationId`'s newest proposal awaits
+ * the user's approval, and how many items it asks them to confirm (chat hosts
+ * call this; `count` defaults to 1 while pending). No-op when unchanged.
  * `pending: false` also drops the reading of a conversation that was deleted.
  */
 export function publishPlanApprovalPending(reading: {
   userId: string | undefined;
   conversationId: string;
   pending: boolean;
+  count?: number;
 }): void {
   const owner = reading.userId ?? '';
+  const count = Math.max(1, reading.count ?? 1);
   const current = planApprovalOwners.get(reading.conversationId);
-  if (reading.pending ? current === owner : current === undefined) return;
+  if (
+    reading.pending
+      ? current?.owner === owner && current.count === count
+      : current === undefined
+  ) {
+    return;
+  }
   const next = new Map(planApprovalOwners);
-  if (reading.pending) next.set(reading.conversationId, owner);
+  if (reading.pending) next.set(reading.conversationId, { owner, count });
   else next.delete(reading.conversationId);
   planApprovalOwners = next;
   for (const l of planApprovalListeners) l();
@@ -234,15 +254,25 @@ export function publishPlanApprovalPending(reading: {
  * awaiting approval, as last read by a mounted chat. Read by the launchers.
  */
 export function usePlanApprovalPending(): boolean {
-  const owners = useSyncExternalStore(
+  return usePlanApprovalPendingCount() > 0;
+}
+
+/**
+ * objectstack#25943 — how many items the signed-in user's chats read as
+ * awaiting their confirmation, summed over conversations; 0 when none. Read by
+ * Studio's right slot for its 「N 项待确认」.
+ */
+export function usePlanApprovalPendingCount(): number {
+  const readings = useSyncExternalStore(
     subscribePlanApproval,
     getPlanApprovalOwners,
     getPlanApprovalOwners,
   );
   const { user } = useAuth();
   const owner = user?.id ?? '';
-  for (const o of owners.values()) if (o === owner) return true;
-  return false;
+  let count = 0;
+  for (const r of readings.values()) if (r.owner === owner) count += r.count;
+  return count;
 }
 
 /** Subscribe a component to the assistant bus snapshot. */
 
@@ -2299,15 +2299,23 @@ export function ChatPane({
   // open: an open re-reads the same thread and reports the same state.
   const { user: planApprovalUser } = useAuth();
   const planApprovalUserId = planApprovalUser?.id;
+  // objectstack#25943 — the reading carries the count of items awaiting
+  // confirmation too (Studio's right slot shows 「N 项待确认」).
   const [planApprovalPending, setPlanApprovalPending] = useState<boolean | undefined>(undefined);
+  const [planApprovalCount, setPlanApprovalCount] = useState(0);
+  const onPlanApprovalPendingChange = useCallback((pending: boolean, count: number) => {
+    setPlanApprovalPending(pending);
+    setPlanApprovalCount(count);
+  }, []);
   useEffect(() => {
     if (!conversationId || planApprovalPending === undefined) return;
     publishPlanApprovalPending({
       userId: planApprovalUserId,
       conversationId,
       pending: planApprovalPending,
+      count: planApprovalCount,
     });
-  }, [planApprovalUserId, conversationId, planApprovalPending]);
+  }, [planApprovalUserId, conversationId, planApprovalPending, planApprovalCount]);
 
   // A1.b switcher menu: every published app with a package identity, deduped
   // by package (apps sharing a package share the build thread — the scope is
@@ -2912,7 +2920,7 @@ export function ChatPane({
         onBuildMaterialized={handleBuildMaterialized}
         onBuildResult={handleBuildResult}
         // objectui#11666 — mirrored onto the assistant bus (effect above).
-        onPlanApprovalPendingChange={setPlanApprovalPending}
+        onPlanApprovalPendingChange={onPlanApprovalPendingChange}
         previewDraftLabel={t('console.ai.previewDraft', { defaultValue: 'Preview' })}
         data-testid="ai-chat-panel"
       />
 
@@ -57,7 +57,7 @@ import type { AgentDescriptor } from '@object-ui/plugin-chatbot';
 import { ChatPane } from '../AiChatPage';
 import { ConsoleChatbotFab } from '../../../layout/ConsoleChatbotFab';
 import { useConversationList } from '../../../hooks/useConversationList';
-import { publishPlanApprovalPending } from '../../../assistant/assistantBus';
+import { publishPlanApprovalPending, usePlanApprovalPendingCount } from '../../../assistant/assistantBus';
 
 window.matchMedia = ((query: string) => ({
   matches: false,
@@ -104,10 +104,15 @@ function renderFab() {
 }
 
 /** Play the chat's own reading, as `ChatbotEnhanced` reports it. */
-function chatReports(pending: boolean) {
-  const report = captured.onPlanApprovalPendingChange as (p: boolean) => void;
+function chatReports(pending: boolean, count = pending ? 1 : 0) {
+  const report = captured.onPlanApprovalPendingChange as (p: boolean, c: number) => void;
   expect(typeof report).toBe('function');
-  act(() => report(pending));
+  act(() => report(pending, count));
+}
+
+/** objectstack#25943 — what Studio's right slot reads off the bus. */
+function CountProbe() {
+  return <output data-testid="pending-count">{usePlanApprovalPendingCount()}</output>;
 }
 
 afterEach(() => {
@@ -175,4 +180,20 @@ describe('ChatPane → assistant bus → FAB (objectui#11666)', () => {
     });
     expect(screen.queryByTestId(MARKER)).not.toBeInTheDocument();
   });
+
+  // objectstack#25943 — the chat's count reaches the bus with its reading.
+  it("the chat's count of items awaiting confirmation reaches the bus, and its end clears it", () => {
+    render(<CountProbe />);
+    renderPane('conv-1');
+    expect(screen.getByTestId('pending-count')).toHaveTextContent('0');
+
+    chatReports(true, 2);
+    expect(screen.getByTestId('pending-count')).toHaveTextContent('2');
+
+    chatReports(true, 3);
+    expect(screen.getByTestId('pending-count')).toHaveTextContent('3');
+
+    chatReports(false);
+    expect(screen.getByTestId('pending-count')).toHaveTextContent('0');
+  });
 });
@@ -13,7 +13,7 @@ import { t } from '../metadata-admin/i18n.js';
 import { ChatPane, resolveApiBase, type PendingFirstMessage } from '../../console/ai/AiChatPage.js';
 import { AiUsageIndicator } from '../../layout/AiUsageIndicator.js';
 import { rememberDockReturnLocation } from '../../layout/chatDockState.js';
-import { usePlanApprovalPending } from '../../assistant/assistantBus.js';
+import { usePlanApprovalPendingCount } from '../../assistant/assistantBus.js';
 
 /**
  * objectui#8219 — the display label of the artifact a pillar has open, tagged
@@ -147,7 +147,8 @@ export function StudioCopilotConversation({
 /** What the copilot reports up to the slot that hosts it (objectui#12725). */
 export interface StudioCopilotStatus {
   available: boolean;
-  planPending: boolean;
+  /** Items the copilot proposed that await the author's confirmation; 0 when none. */
+  planPendingCount: number;
 }
 
 export interface StudioChatDockProps {
@@ -162,8 +163,9 @@ export interface StudioChatDockProps {
    * objectui#12725 — what the right slot draws of the copilot around it:
    * `available`, whether the agent catalog serves one (true while it is still
    * being read, as the dock always rendered then), so no segment, strip or
-   * empty body stands for a copilot that is not there; and `planPending`, the
-   * objectui#11666 reading that a plan it proposed awaits approval. Reported on
+   * empty body stands for a copilot that is not there; and `planPendingCount`,
+   * the objectui#11666 reading of a proposal awaiting approval with the number
+   * of items it asks the author to confirm (objectstack#25943). Reported on
    * every change, and as unavailable on unmount.
    */
   onStatusChange?: (status: StudioCopilotStatus) => void;
@@ -200,17 +202,17 @@ export function StudioChatDock({
   const { agents, isLoading: agentsLoading } = useAgents({ apiBase });
   const available = agentsLoading || agents.length > 0;
   // objectui#11666 — read off the assistant bus the chat publishes to.
-  const planPending = usePlanApprovalPending();
+  const planPendingCount = usePlanApprovalPendingCount();
   const onStatusChangeRef = React.useRef(onStatusChange);
   React.useEffect(() => {
     onStatusChangeRef.current = onStatusChange;
   });
   React.useEffect(() => {
-    onStatusChangeRef.current?.({ available, planPending: available && planPending });
-  }, [available, planPending]);
+    onStatusChangeRef.current?.({ available, planPendingCount: available ? planPendingCount : 0 });
+  }, [available, planPendingCount]);
   React.useEffect(
     () => () => {
-      onStatusChangeRef.current?.({ available: false, planPending: false });
+      onStatusChangeRef.current?.({ available: false, planPendingCount: 0 });
     },
     [],
   );
 
@@ -168,9 +168,9 @@ vi.mock('../metadata-admin/AccessExplainPanel', () => ({ AccessExplainPanel: ()
 vi.mock('../../preview/DraftChangesPanel', () => ({ DraftChangesPanel: () => null }));
 
 vi.mock('./StudioAiCopilot', () => ({
-  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPending: boolean }) => void }) => {
+  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPendingCount: number }) => void }) => {
     React.useEffect(() => {
-      onStatusChange?.({ available: true, planPending: false });
+      onStatusChange?.({ available: true, planPendingCount: 0 });
     }, [onStatusChange]);
     return <div data-testid="copilot-body">conversation</div>;
   },
 
@@ -117,9 +117,9 @@ vi.mock('../metadata-admin/AccessExplainPanel', () => ({ AccessExplainPanel: ()
 vi.mock('../../preview/DraftChangesPanel', () => ({ DraftChangesPanel: () => null }));
 
 vi.mock('./StudioAiCopilot', () => ({
-  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPending: boolean }) => void }) => {
+  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPendingCount: number }) => void }) => {
     React.useEffect(() => {
-      onStatusChange?.({ available: true, planPending: false });
+      onStatusChange?.({ available: true, planPendingCount: 0 });
     }, [onStatusChange]);
     return <div data-testid="copilot-body">conversation</div>;
   },
 
@@ -105,9 +105,9 @@ vi.mock('../../preview/DraftChangesPanel', () => ({ DraftChangesPanel: () => nul
 /** What the copilot stub reports, per test. */
 const copilot = vi.hoisted(() => ({ available: true }));
 vi.mock('./StudioAiCopilot', () => ({
-  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPending: boolean }) => void }) => {
+  StudioChatDock: ({ onStatusChange }: { onStatusChange?: (s: { available: boolean; planPendingCount: number }) => void }) => {
     React.useEffect(() => {
-      onStatusChange?.({ available: copilot.available, planPending: false });
+      onStatusChange?.({ available: copilot.available, planPendingCount: 0 });
     }, [onStatusChange]);
     return copilot.available ? <div data-testid="copilot-body">conversation</div> : null;
   },