feat(web): 工作台 AI 模式与差旅/风险建议交互优化

- 新增 PersonalWorkbenchAiMode 组件、AI 侧边栏与 orb 机器人视觉资源
- 新增 aiApplicationDraftModel / aiExpenseDraftModel / aiWorkbenchConversationStore
  及业务准入 aiSidebarBusinessAccess，支撑 AI 模式下的申请与报销草稿
- 顶栏、侧边栏、工作台样式重构，适配 AI 模式切换与响应式布局
- 同步 steward plan/off_topic、差旅报销引导流、风险建议卡片等测试

web/src/views/scripts/useTravelReimbursementSuggestedActions.js

@@ -339,6 +339,10 @@ export function useTravelReimbursementSuggestedActions({
       const carryText = String(actionPayload.carry_text || '').trim()
       const carryFiles = actionPayload.carry_files ? Array.from(attachedFiles.value || []) : []
       if (!lockSuggestedActionMessage(message, action)) return
+      if (targetSessionType === SESSION_TYPE_EXPENSE && carryText === '我要报销') {
+        pushExpenseSceneSelectionPrompt(carryText)
+        return
+      }
       if (String(actionPayload.steward_plan_id || '').trim()) {
         const confirmedByText = Boolean(action.confirmedByText)
         delete action.confirmedByText