fix: 同步 Agent Run 绑定模型

项目启动、材料确认、规划确认和重试后立即使用接口返回的 modelConfigId 更新页面，避免运行中的任务错误显示为尚未选择模型。

web-ui/src/pages/ProjectPage.test.ts

@@ -70,6 +70,8 @@ interface ProjectFixtureOptions {
   projectStatus?: 'MATERIAL_CHECK' | 'PLANNING' | 'WRITING' | 'DELIVERED' | 'FAILED' | 'ARCHIVED'
   files?: Array<Record<string, unknown>>
   artifacts?: Array<Record<string, unknown>>
+  latestRun?: { status: string; modelConfigId?: string } | null
+  startedRun?: { status: string; modelConfigId?: string }
 }
 
 /**
@@ -90,9 +92,14 @@ function mountProject(runStatus: 'RUNNING' | 'INTERRUPTED', options: ProjectFixt
     if (url.startsWith('/api/projects/project-1/events')) return []
     if (url === '/api/projects/project-1/plan') return null
     if (url === '/api/projects/project-1/runs/latest') {
-      return { status: runStatus, modelConfigId: 'model-a' }
+      return options.latestRun === undefined
+        ? { status: runStatus, modelConfigId: 'model-a' }
+        : options.latestRun
     }
     if (url === '/api/models') return enabledModels
+    if (url === '/api/projects/project-1/runs/material-check' && requestOptions?.method === 'POST') {
+      return options.startedRun || { status: 'RUNNING', modelConfigId: 'model-a' }
+    }
     if (requestOptions?.method === 'POST') return { status: 'RUNNING' }
     throw new Error(`未处理的测试请求：${url}`)
   })
@@ -183,4 +190,19 @@ describe('ProjectPage 项目工作区', () => {
     expect(context.text()).toContain('先进级申报书.docx')
     expect(context.get('a').attributes('href')).toBe('/api/artifacts/artifact-1/download')
   })
+
+  it('首次启动材料检查后立即显示本次 Run 实际绑定的模型', async () => {
+    const wrapper = mountProject('RUNNING', {
+      projectStatus: 'MATERIAL_CHECK',
+      latestRun: null,
+      startedRun: { status: 'RUNNING', modelConfigId: 'model-a' }
+    })
+    await flushPromises()
+    expect(wrapper.get('.current-model-name').text()).toBe('尚未选择')
+
+    await wrapper.findAll('button').find(button => button.text() === '开始材料检验')!.trigger('click')
+    await flushPromises()
+
+    expect(wrapper.get('.current-model-name').text()).toBe('当前模型 · model-a')
+  })
 })

web-ui/src/pages/ProjectPage.vue

@@ -18,6 +18,11 @@ interface ModelOption {
   defaultModel: boolean
 }
 
+interface RunSummary {
+  status: string
+  modelConfigId?: string
+}
+
 const projectStageDefinitions = [
   { key: 'materials', label: '材料检查', description: '核验企业材料' },
   { key: 'planning', label: '规划确认', description: '确认建设规划' },
@@ -101,6 +106,17 @@ const updatedAtLabel = computed(() => {
   return Number.isNaN(value.getTime()) ? '--' : value.toLocaleString('zh-CN', { hour12: false })
 })
 
+/**
+ * 把创建、恢复或切换 Run 的响应同步到页面状态。
+ * 后端返回的 modelConfigId 代表本次 Run 真正绑定的模型，不能继续沿用上一个 Run
+ * 或页面初次加载时的空值；仅在兼容旧响应时才使用调用方提供的兜底模型 ID。
+ */
+function syncRunState(run: RunSummary, fallbackModelConfigId = '') {
+  runStatus.value = run.status
+  const modelConfigId = run.modelConfigId || fallbackModelConfigId
+  if (modelConfigId) currentModelConfigId.value = modelConfigId
+}
+
 async function load(id: string) {
   const version = ++loadVersion
   historyLoading.value = true
@@ -115,7 +131,7 @@ async function load(id: string) {
       api<ProjectFile[]>(`/api/projects/${id}/files`),
       api<Artifact[]>(`/api/projects/${id}/artifacts`),
       api<PlanView | null>(`/api/projects/${id}/plan`),
-      api<{ status: string; modelConfigId?: string; pendingInterrupt?: string } | null>(`/api/projects/${id}/runs/latest`),
+      api<(RunSummary & { pendingInterrupt?: string }) | null>(`/api/projects/${id}/runs/latest`),
       // 模型摘要只服务于右侧信息栏；加载失败不能阻断项目主体和历史事件恢复。
       api<ModelOption[]>('/api/models').catch(() => [])
     ])
@@ -260,8 +276,8 @@ async function startCheck() {
   if (loading.value || folderUploading.value) return
   loading.value = true
   try {
-    const run = await api<{ status: string }>(`/api/projects/${projectId.value}/runs/material-check`, { method: 'POST' })
+    const run = await api<RunSummary>(`/api/projects/${projectId.value}/runs/material-check`, { method: 'POST' })
-    runStatus.value = run.status
+    syncRunState(run)
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '启动失败')
   } finally {
@@ -273,8 +289,8 @@ async function retry() {
   if (plan.value?.status === 'CONFIRMED') {
     loading.value = true
     try {
-      await api(`/api/projects/${projectId.value}/runs/writing`, { method: 'POST' })
+      const run = await api<RunSummary>(`/api/projects/${projectId.value}/runs/writing`, { method: 'POST' })
-      runStatus.value = 'RUNNING'
+      syncRunState(run)
     } catch (error) {
       ElMessage.error(error instanceof Error ? error.message : '重试失败')
     } finally {
@@ -289,8 +305,8 @@ async function stopRun() {
   if (!running.value || controlLoading.value) return
   controlLoading.value = true
   try {
-    const run = await api<{ status: string }>(`/api/projects/${projectId.value}/runs/stop`, { method: 'POST' })
+    const run = await api<RunSummary>(`/api/projects/${projectId.value}/runs/stop`, { method: 'POST' })
-    runStatus.value = run.status
+    syncRunState(run)
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '停止失败')
   } finally {
@@ -334,12 +350,11 @@ async function confirmModelSelection() {
   controlLoading.value = true
   try {
     const endpoint = modelPickerMode.value === 'switch' ? 'switch-model' : 'resume'
-    const run = await api<{ status: string; modelConfigId?: string }>(`/api/projects/${projectId.value}/runs/${endpoint}`, {
+    const run = await api<RunSummary>(`/api/projects/${projectId.value}/runs/${endpoint}`, {
       method: 'POST',
       body: JSON.stringify({ modelConfigId: selectedModelConfigId.value })
     })
-    runStatus.value = run.status
+    syncRunState(run, selectedModelConfigId.value)
-    currentModelConfigId.value = run.modelConfigId || selectedModelConfigId.value
     modelPickerVisible.value = false
   } catch (error) {
     const fallback = modelPickerMode.value === 'switch' ? '切换失败' : '继续失败'
@@ -391,14 +406,14 @@ async function confirmPlan(value: Record<string, unknown>) {
   if (!plan.value || loading.value) return
   loading.value = true
   try {
-    const result = await api<{ plan: PlanView; run: { status: string } }>(`/api/projects/${projectId.value}/plan/confirm`, {
+    const result = await api<{ plan: PlanView; run: RunSummary }>(`/api/projects/${projectId.value}/plan/confirm`, {
       method: 'POST',
       body: JSON.stringify({ planId: plan.value.id, plan: value })
     })
     localStorage.removeItem(`plan-draft:${plan.value.id}`)
     plan.value = result.plan
     pendingAsk.value = null
-    runStatus.value = result.run.status
+    syncRunState(result.run)
     await refreshProject()
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '规划确认失败')
@@ -411,12 +426,12 @@ async function confirmMaterials(value: Record<string, unknown>) {
   if (loading.value) return
   loading.value = true
   try {
-    const run = await api<{ status: string }>(`/api/projects/${projectId.value}/material/confirm`, {
+    const run = await api<RunSummary>(`/api/projects/${projectId.value}/material/confirm`, {
       method: 'POST', body: JSON.stringify(value)
     })
     localStorage.removeItem(`material-ask:${String(pendingAsk.value?.interruptId || '')}`)
     pendingAsk.value = null
-    runStatus.value = run.status
+    syncRunState(run)
     await refreshProject()
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '材料确认失败')