fix(client): resolve trajectory review follow-ups

packages/client/runtime/tests/session.spec.ts

@@ -292,6 +292,26 @@ describe('paging', () => {
       .toEqual([1, 3, 7, 9, 13, 15])
   })
 
+  it('stops complete-history loading between pages after its consumer aborts', async () => {
+    const middle = deferred<Awaited<ReturnType<FakeApiClient['onHistory']>>>()
+    const { api, session } = makeSession()
+    api.onHistory = payload => payload.beforeSeq === undefined
+      ? histResponse(plainTurn(12, 2, '最新问', '最新答'), true)
+      : middle.promise
+    await session.open()
+    const controller = new AbortController()
+    const completeHistory = session.loadAllHistory(controller.signal)
+    controller.abort()
+    middle.resolve(ok({
+      events: entries(plainTurn(6, 1, '中间问', '中间答')) as never[],
+      hasMore: true,
+    }))
+    await completeHistory
+
+    expect(api.callsOf('session.history')).toHaveLength(2)
+    expect(session.getSnapshot().hasMore).toBe(true)
+  })
+
   it('drops a discontinuous older page fail-soft (window unchanged, hasMore cleared)', async () => {
     const { api, session } = makeSession()
     api.onHistory = payload => payload.beforeSeq === undefined
@@ -767,6 +787,32 @@ describe('resync', () => {
     expect(snapshot.openState).toBe('open') // stale failure did not settle the fresh generation into error
     expect(snapshot.nodes.map(n => n.seq)).toEqual([7, 9])
   })
+
+  it('starts fresh paging while an older generation page is still pending', async () => {
+    const stalePage = deferred<Awaited<ReturnType<FakeApiClient['onHistory']>>>()
+    const { api, session } = makeSession()
+    let call = 0
+    api.onHistory = () => {
+      call++
+      if (call === 1) return histResponse(plainTurn(6, 1, '新', '页'), true)
+      if (call === 2) return stalePage.promise
+      if (call === 3) return histResponse(plainTurn(6, 1, '新', '代'), true)
+      return histResponse(plainTurn(0, 0, '旧', '页'), false)
+    }
+    await session.open()
+    const stale = session.loadOlder()
+    await session.resync()
+    const fresh = session.loadAllHistory()
+    await vi.waitFor(() => { expect(call).toBe(4) })
+    stalePage.resolve(ok({
+      events: entries(plainTurn(0, 0, '废', '弃')) as never[],
+      hasMore: false,
+    }))
+    await Promise.all([stale, fresh])
+
+    expect(session.getSnapshot().hasMore).toBe(false)
+    expect(session.getSnapshot().nodes.map(node => node.seq)).toEqual([1, 3, 7, 9])
+  })
 })
 
 describe('run_code sub-dispatch indexing', () => {