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/request-progress-viewer.test.mjs

@@ -0,0 +1,49 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { resolveProgressStepsForViewer } from '../src/utils/requestProgressViewer.js'
+
+test('progress viewer keeps approver name for applicant view', () => {
+  const steps = [
+    {
+      label: '等待 李经理 批复',
+      rawLabel: '直属领导审批',
+      current: true,
+      title: '当前等待 李经理 批复已停留 3小时15分钟'
+    }
+  ]
+
+  assert.deepEqual(
+    resolveProgressStepsForViewer(steps, {
+      isApplicationDocument: true,
+      isCurrentDirectManagerApprover: false
+    }),
+    steps
+  )
+})
+
+test('progress viewer hides approver name for current direct manager approval view', () => {
+  const steps = [
+    {
+      label: '等待 李经理 批复',
+      rawLabel: '直属领导审批',
+      current: true,
+      title: '当前等待 李经理 批复已停留 3小时15分钟'
+    }
+  ]
+
+  assert.deepEqual(
+    resolveProgressStepsForViewer(steps, {
+      isApplicationDocument: true,
+      isCurrentDirectManagerApprover: true
+    }),
+    [
+      {
+        label: '等待批复',
+        rawLabel: '直属领导审批',
+        current: true,
+        title: '当前等待批复已停留 3小时15分钟'
+      }
+    ]
+  )
+})