feat(coding): add conversation archive and first-message titles

tests/unit/coding-workspace-store.test.ts

@@ -79,6 +79,47 @@ function deferred<T>() {
 }
 
 describe('coding workspace store', () => {
+  it('discards a stale list read and refreshes after a manual rename', async () => {
+    const old = conversation('conversation-a', 'agent-a');
+    const stale = deferred<CodingConversationMetadata[]>();
+    const latest = { ...old, title: '手动标题' };
+    const listConversations = vi.fn().mockResolvedValueOnce([old])
+      .mockReturnValueOnce(stale.promise).mockResolvedValue([latest]);
+    const store = createCodingWorkspaceStore({
+      listProjects: async () => ({ projects: [project], activeProjectId: project.id }),
+      getConfig: async () => ({ project, config: config([agent('agent-a')]) }),
+      listConversations, patchConversation: async () => latest,
+    });
+    await store.getState().load();
+    const refresh = store.getState().refreshConversations(project.id);
+    await vi.waitFor(() => expect(listConversations).toHaveBeenCalledTimes(2));
+    await store.getState().patchConversation(old.id, { title: latest.title });
+    stale.resolve([old]);
+    await refresh;
+    expect(store.getState().conversations[0].title).toBe(latest.title);
+    expect(listConversations).toHaveBeenCalledTimes(3);
+    expect(store.getState().loadState).toBe('ready');
+  });
+
+  it('does a follow-up read when metadata changes during an in-flight refresh', async () => {
+    const old = conversation('conversation-a', 'agent-a');
+    const stale = deferred<CodingConversationMetadata[]>();
+    const latest = { ...old, archivedAt: '2026-09-20T00:00:00Z' };
+    const listConversations = vi.fn().mockResolvedValueOnce([old])
+      .mockReturnValueOnce(stale.promise).mockResolvedValue([latest]);
+    const store = createCodingWorkspaceStore({
+      listProjects: async () => ({ projects: [project], activeProjectId: project.id }),
+      getConfig: async () => ({ project, config: config([agent('agent-a')]) }), listConversations,
+    });
+    await store.getState().load();
+    const refresh = store.getState().refreshConversations(project.id);
+    await vi.waitFor(() => expect(listConversations).toHaveBeenCalledTimes(2));
+    const followup = store.getState().refreshConversations(project.id);
+    stale.resolve([old]);
+    await Promise.all([refresh, followup]);
+    expect(store.getState().conversations).toEqual([latest]);
+  });
+
   it('loads local project metadata and selects the pinned Agent without touching runtime APIs', async () => {
     const listProjects = vi.fn(async () => ({ projects: [project], activeProjectId: project.id }));
     const getConfig = vi.fn(async () => ({