feat(admin): Add user management and upgrade to module permission system

Features - User Management (Phase 4.1):
- Database: Add user_modules table for fine-grained module permissions
- Database: Add 4 user permissions (view/create/edit/delete) to role_permissions
- Backend: UserService (780 lines) - CRUD with tenant isolation
- Backend: UserController + UserRoutes (648 lines) - 13 API endpoints
- Backend: Batch import users from Excel
- Frontend: UserListPage (412 lines) - list/filter/search/pagination
- Frontend: UserFormPage (341 lines) - create/edit with module config
- Frontend: UserDetailPage (393 lines) - details/tenant/module management
- Frontend: 3 modal components (592 lines) - import/assign/configure
- API: GET/POST/PUT/DELETE /api/admin/users/* endpoints

Architecture Upgrade - Module Permission System:
- Backend: Add getUserModules() method in auth.service
- Backend: Login API returns modules array in user object
- Frontend: AuthContext adds hasModule() method
- Frontend: Navigation filters modules based on user.modules
- Frontend: RouteGuard checks requiredModule instead of requiredVersion
- Frontend: Remove deprecated version-based permission system
- UX: Only show accessible modules in navigation (clean UI)
- UX: Smart redirect after login (avoid 403 for regular users)

Fixes:
- Fix UTF-8 encoding corruption in ~100 docs files
- Fix pageSize type conversion in userService (String to Number)
- Fix authUser undefined error in TopNavigation
- Fix login redirect logic with role-based access check
- Update Git commit guidelines v1.2 with UTF-8 safety rules

Database Changes:
- CREATE TABLE user_modules (user_id, tenant_id, module_code, is_enabled)
- ADD UNIQUE CONSTRAINT (user_id, tenant_id, module_code)
- INSERT 4 permissions + role assignments
- UPDATE PUBLIC tenant with 8 module subscriptions

Technical:
- Backend: 5 new files (~2400 lines)
- Frontend: 10 new files (~2500 lines)
- Docs: 1 development record + 2 status updates + 1 guideline update
- Total: ~4900 lines of code

Status: User management 100% complete, module permission system operational

docs/01-平台基础层/03-通知服务/README.md

@@ -1,8 +1,8 @@
 # 通知服务
 
-> **讓｡蝮怜ｮ壻ｽ搾ｼ?* 蟷ｳ蜿ｰ蝓ｺ遑€螻? 
+> **模块定位：** 平台基础层  
 > **优先级：** P2  
-> **迥ｶ諤<EFBFBD>ｼ<EFBFBD>** 竢?蠕<>ｮｾ隶?
+> **状态：** ⏳ 待设计
 
 ---
 
@@ -11,7 +11,7 @@
 通知服务负责平台的消息通知，支持：
 - 站内消息
 - 邮件通知
-- WebSocket螳樊慮謗ｨ騾?
+- WebSocket实时推送
 
 ---
 
@@ -19,16 +19,16 @@
 
 ### 1. 站内消息
 - 消息列表
-- 蟾ｲ隸ｻ/譛ｪ隸ｻ迥ｶ諤?
+- 已读/未读状态
 - 消息删除
 
 ### 2. 邮件通知
-- SMTP驍ｮ莉ｶ蜿鷹€?
+- SMTP邮件发送
 - 邮件模板
 
-### 3. WebSocket螳樊慮謗ｨ騾?
-- 螳樊慮豸域<EFBFBD>謗ｨ騾?
-- 霑帛ｺｦ譖ｴ譁ｰ謗ｨ騾?
+### 3. WebSocket实时推送
+- 实时消息推送
+- 进度更新推送
 
 ---