feat(web): 差旅申请详情进度 viewer 与审批/加载态组件增强

- 新增 requestProgressViewer，申请单在直属领导审批视角下将当前步骤展示为'等待批复'，travel-request-detail/app-shell/useRequests 接入
- TravelRequestApprovalDialog 增强审批交互，TableLoadingState 补充表格加载占位，ConfirmDialog 扩展确认对话框能力
- useAppShell/useRequests/AppShellRouteView 配套适配申请详情跳转与会话状态
- 同步更新 requestProgressSteps、travel-request-detail-leader-approval、assistant-session-draft-delete、documents-center-status-filter、app-shell-financial-assistant-entry、request-progress-viewer 等测试

web/tests/assistant-session-draft-delete.test.mjs

@@ -98,9 +98,9 @@ test('deleting an application draft marks AI workbench detail links as unavailab
         content: [
           '### 申请草稿已保存',
           '',
-          '| 单据类型 | 单据编号 | 单据状态 | 当前节点 | 操作 |',
-          '| --- | --- | --- | --- | --- |',
-          '| 出差申请 | AP-20260620-DRAFT | 草稿 | 待提交 | [查看](#ai-open-application-detail:claim_id%3Dclaim-draft-1%26claim_no%3DAP-20260620-DRAFT) |'
+          '| 单据类型 | 单据编号 | 单据状态 | 当前节点 | 日期 | 地点 | 事由 | 金额 | 操作 |',
+          '| --- | --- | --- | --- | --- | --- | --- | --- | --- |',
+          '| 出差申请 | AP-20260620-DRAFT | 草稿 | 待提交 | 2026-02-20 至 2026-02-23 | 上海 | 辅助国网仿生产服务器部署 | ¥2,600.00 | [查看](#ai-open-application-detail:claim_id%3Dclaim-draft-1%26claim_no%3DAP-20260620-DRAFT) |'
         ].join('\n')
       }
     ]