Initial commit: X-Server Mobile enterprise tool system

- Frontend: React 18 + TypeScript + Vite + Ant Design Mobile
- Backend: PHP 8.5 + Webman 2.x + MySQL + Redis
- i18n support: Chinese, English, Russian, Spanish, French
- Approval workflow engine
- Docker development environment
- Feishu integration

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

frontend/src/modules/approval/index.ts

@@ -0,0 +1,29 @@
+// 审批模块导出
+
+// Types
+export type {
+  ApprovalNode,
+  Approver,
+  ApprovalFlow,
+  ApprovalOrder,
+  Attachment,
+  ApprovalTimeline,
+  SubmitApprovalParams,
+  ApprovalListParams,
+} from './types'
+
+export { ApprovalStatus, ApprovalNodeType, NodeStatus } from './types'
+
+// Components
+export { default as ApprovalFlow } from './components/ApprovalFlow'
+export { default as ApprovalList } from './components/ApprovalList'
+export { default as ApprovalDetail } from './components/ApprovalDetail'
+export { default as ApprovalAction } from './components/ApprovalAction'
+
+// Hooks
+export { useApprovalSubmit } from './hooks/useApprovalSubmit'
+export { useApprovalAction } from './hooks/useApprovalAction'
+export { useApprovalList } from './hooks/useApprovalList'
+
+// Services
+export * from './services/approval'