feat: 飞书登录支持多租户和用户工号管理

后端改动：
- FeishuService: 从飞书用户信息获取 tenant_key 和手机号
- FeishuService: 新增 user_sn 表工号分配机制
- FeishuService: 优先使用 enterprise_email，支持手机号
- AuthController: 飞书免登支持 company 参数

前端改动：
- FeishuAutoLogin: 支持多租户 company 参数
- login/index: 支持 redirect 参数和已登录检测
- QRCodeLogin: 支持多租户参数传递
- router: 新增路由守卫和参数处理
- api.ts: 优化飞书登录 API 调用

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/router/index.tsx

@@ -12,6 +12,7 @@ import SelectCc from '@/pages/business-trip/select-cc'
 import ApprovalList from '@/pages/approval/list'
 import ApprovalDetail from '@/pages/approval/detail'
 import QuickAction from '@/pages/approval/quick-action'
+import RejectPage from '@/pages/approval/reject'
 import Login from '@/pages/login'
 import SimpleLogin from '@/pages/login-simple'
 import DebugFeishu from '@/pages/debug-feishu'
@@ -30,15 +31,20 @@ const router = createBrowserRouter([
       { path: 'business-trip/apply', element: <BusinessTripApply /> },
       { path: 'business-trip/apply/select-approver', element: <SelectApprover /> },
       { path: 'business-trip/apply/select-cc', element: <SelectCc /> },
+      { path: 'business-trip/detail/:id', element: <BusinessTripDetail /> },
       { path: 'business-trip/:id', element: <BusinessTripDetail /> },
       { path: 'approval', element: <ApprovalList /> },
       { path: 'approval/:id', element: <ApprovalDetail /> },
     ],
   },
+  // 详情页移到顶层，支持未登录访问（页面自己处理登录检查）
+  { path: '/approval/detail/:id', element: <ApprovalDetail /> },
+  { path: '/business-trip/detail/:id', element: <BusinessTripDetail /> },
   { path: '/login', element: <Login /> },
   { path: '/login-simple', element: <SimpleLogin /> },
   { path: '/debug-feishu', element: <DebugFeishu /> },
   { path: '/approval/quick-action', element: <QuickAction /> },
+  { path: '/approval/reject', element: <RejectPage /> },
   { path: '*', element: <Navigate to='/login' replace /> },
 ])