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/components/business/PersonalWorkbench.vue

@@ -19,16 +19,24 @@
         <p>自动识别报销类别、核对附件完整性，并生成可继续提交的报销草稿。</p>
 
         <div class="assistant-input">
+          <input
+            ref="fileInputRef"
+            class="assistant-file-input"
+            type="file"
+            multiple
+            accept=".pdf,.jpg,.jpeg,.png,.webp,.doc,.docx,.xls,.xlsx"
+            @change="handleWorkbenchFilesChange"
+          />
           <textarea
             v-model="assistantDraft"
             rows="1"
             placeholder="例如：我昨天请客户吃饭花了 860 元，还打车去了客户公司"
-            @keydown.ctrl.enter.prevent="openAssistantWithDraft"
+            @keydown.enter.prevent="handleWorkbenchEnter"
           />
         </div>
 
         <div class="assistant-tools">
-          <button type="button" class="ghost-action" @click="emit('openAssistant', { prompt: '', source: 'upload' })">
+          <button type="button" class="ghost-action" @click="triggerFileUpload">
             <i class="mdi mdi-upload-outline"></i>
             <span>上传票据</span>
           </button>
@@ -130,6 +138,7 @@ defineProps({
 
 const emit = defineEmits(['openAssistant'])
 const assistantDraft = ref('')
+const fileInputRef = ref(null)
 
 function openAssistantWithDraft() {
   emit('openAssistant', {
@@ -138,6 +147,31 @@ function openAssistantWithDraft() {
   })
 }
 
+function handleWorkbenchEnter(event) {
+  if (event.isComposing) {
+    return
+  }
+
+  openAssistantWithDraft()
+}
+
+function triggerFileUpload() {
+  fileInputRef.value?.click()
+}
+
+function handleWorkbenchFilesChange(event) {
+  const files = Array.from(event.target.files ?? [])
+  if (!files.length) return
+
+  emit('openAssistant', {
+    prompt: assistantDraft.value.trim(),
+    source: 'upload',
+    files
+  })
+
+  event.target.value = ''
+}
+
 const todoItems = [
   {
     title: '业务招待报销建议补参与人员',
@@ -371,6 +405,10 @@ const policyItems = [
   box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
 }
 
+.assistant-file-input {
+  display: none;
+}
+
 .assistant-input textarea {
   min-width: 0;
   flex: 1;