feat(web): update Vue components and composables

- PersonalWorkbench.vue: update personal workbench component
- useAppShell.js: update app shell composable
- useChat.js: update chat composable with new features
- AppShellRouteView.vue: update route view
- ChatView.vue: update chat view with enhanced UI
- TravelReimbursementCreateView.vue: update travel reimbursement form
- ChatView.js: update chat view script logic
- TravelReimbursementCreateView.js: update travel form script logic

web/src/composables/useChat.js

@@ -1,5 +1,8 @@
 import { nextTick, ref } from 'vue'
 
+import { useSystemState } from './useSystemState.js'
+import { runOrchestrator } from '../services/orchestrator.js'
+
 const initialMessages = [
   {
     id: 1,
@@ -21,11 +24,13 @@ const initialMessages = [
 export const prompts = ['生成审批意见', '列出补件清单', '解释风险原因', '生成运营简报']
 
 export function useChat(activeView) {
+  const { currentUser } = useSystemState()
   const messages = ref([...initialMessages])
   const draft = ref('')
   const uploadedFiles = ref([])
   const messageList = ref(null)
   const activeCase = ref(null)
+  const sending = ref(false)
 
   function agentReply(text) {
     const c = activeCase.value
@@ -56,15 +61,113 @@ export function useChat(activeView) {
     nextTick(() => messageList.value?.scrollTo({ top: messageList.value.scrollHeight, behavior: 'smooth' }))
   }
 
-  function sendMessage() {
+  function replaceMessage(id, nextMessage) {
+    const index = messages.value.findIndex((item) => item.id === id)
+    if (index === -1) {
+      messages.value.push(nextMessage)
+      return
+    }
+    messages.value.splice(index, 1, nextMessage)
+  }
+
+  function buildOrchestratorMeta(payload) {
+    const items = []
+
+    if (payload?.selected_agent) {
+      items.push(`Agent: ${payload.selected_agent}`)
+    }
+
+    if (payload?.permission_level) {
+      items.push(`权限: ${payload.permission_level}`)
+    }
+
+    if (payload?.trace_summary?.tool_count) {
+      items.push(`工具: ${payload.trace_summary.tool_count}`)
+    }
+
+    if (payload?.trace_summary?.degraded) {
+      items.push('已降级')
+    }
+
+    if (payload?.requires_confirmation) {
+      items.push('待确认')
+    }
+
+    if (payload?.run_id) {
+      items.push(`Run: ${payload.run_id}`)
+    }
+
+    return items
+  }
+
+  function buildAssistantMessage(payload, fallbackText) {
+    const result = payload?.result || {}
+
+    return {
+      text: result.answer || result.message || fallbackText,
+      meta: buildOrchestratorMeta(payload),
+      citations: Array.isArray(result.citations) ? result.citations : [],
+      suggestedActions: Array.isArray(result.suggested_actions) ? result.suggested_actions : [],
+      draftPayload: result.draft_payload || null,
+      riskFlags: Array.isArray(result.risk_flags) ? result.risk_flags : []
+    }
+  }
+
+  async function sendMessage() {
     const text = draft.value.trim()
-    if (!text) return false
-    messages.value.push({ id: Date.now(), role: 'user', text })
+    if (!text || sending.value) return false
+
+    const userMessageId = Date.now()
+    const pendingMessageId = userMessageId + 1
+    messages.value.push({ id: userMessageId, role: 'user', text })
     draft.value = ''
-    setTimeout(() => {
-      messages.value.push({ id: Date.now() + 1, role: 'agent', text: agentReply(text) })
+    sending.value = true
+    messages.value.push({
+      id: pendingMessageId,
+      role: 'agent',
+      text: 'Orchestrator 正在处理中...',
+      meta: ['运行中']
+    })
+    scrollToBottom()
+
+    const user = currentUser.value || {}
+
+    try {
+      const payload = await runOrchestrator({
+        source: 'user_message',
+        user_id: user.username || user.name || 'anonymous',
+        message: text,
+        context_json: {
+          role_codes: Array.isArray(user.roleCodes) ? user.roleCodes : [],
+          is_admin: Boolean(user.isAdmin),
+          name: user.name || '',
+          role: user.role || '',
+          active_case_id: activeCase.value?.id || ''
+        }
+      })
+
+      const assistantMessage = buildAssistantMessage(payload, 'Orchestrator 已完成处理。')
+      replaceMessage(pendingMessageId, {
+        id: pendingMessageId,
+        role: 'agent',
+        ...assistantMessage
+      })
+    } catch (error) {
+      replaceMessage(pendingMessageId, {
+        id: pendingMessageId,
+        role: 'agent',
+        text: `后端暂时不可用，已切换为本地占位回复：${agentReply(text)}`,
+        meta: [error?.message || '后端调用失败'],
+        citations: [],
+        suggestedActions: [],
+        draftPayload: null,
+        riskFlags: []
+      })
+    } finally {
+      sending.value = false
       scrollToBottom()
-    }, 260)
+    }
+
     return true
   }
 
@@ -96,7 +199,7 @@ export function useChat(activeView) {
   }
 
   return {
-    messages, draft, uploadedFiles, messageList, activeCase, prompts,
+    messages, draft, uploadedFiles, messageList, activeCase, prompts, sending,
     sendMessage, handleUpload, openChat, openNewChat, scrollToBottom
   }
 }