fix: stabilize background operations and large embedding results

frontend/src/features/settings/SettingsView.spec.ts

@@ -7,6 +7,31 @@ import { useProviderStore } from '@/stores/provider'
 import { useSettingsStore } from '@/stores/settings'
 
 beforeEach(() => { localStorage.clear(); setActivePinia(createPinia()) })
+it('separates unfinished indexing from retrieval activity and retains short search totals', async () => {
+  const store = useSettingsStore()
+  vi.spyOn(store, 'loadDiagnostics').mockResolvedValue()
+  const providers = useProviderStore()
+  vi.spyOn(providers, 'loadProviders').mockResolvedValue()
+  vi.spyOn(providers, 'loadPresets').mockResolvedValue()
+  vi.spyOn(providers, 'refreshEnabledModels').mockResolvedValue()
+  const wrapper = mount(SettingsView, { global: { stubs: { UsageCard: true, LocalModelSettings: true, ModelRoutingSettings: true } } })
+  await flushPromises()
+  await wrapper.findAll('button').find(button => button.text() === '索引与模型')!.trigger('click')
+  expect(wrapper.text()).toContain('未完成索引 未获取')
+  store.indexStatus = { status: 'idle', pending_jobs: 1, running_jobs: 0, total_notes: 16, total_blocks: 3787, vector_refresh_required: true,
+    active_searches: 0, completed_searches: 2, failed_searches: 1, cancelled_searches: 0 }
+  await flushPromises()
+  expect(wrapper.text()).toContain('全文可用 · 向量待重建')
+  expect(wrapper.text()).toContain('未完成索引 1')
+  expect(wrapper.text()).toContain('已完成 2')
+  expect(wrapper.text()).toContain('失败 1')
+  store.indexStatus.status = 'indexing'
+  store.indexStatus.running_jobs = 1
+  await flushPromises()
+  expect(wrapper.text()).toContain('后台计算索引')
+  expect(wrapper.findAll('button').find(button => button.text() === '重建全部')!.attributes('disabled')).toBeDefined()
+  wrapper.unmount()
+})
 it('shows provider status and enables testing only after a successful enable', async () => {
   const store = useProviderStore()
   store.providers = [{ provider_id: 'p1', name: 'Example', provider_type: 'openai_compatible', enabled: false, default_model: '', capabilities: {}, has_credential: false }]