!13 LDAP优化增强

* cursorrules
* fixed: ldap同步的部门记录name记录错误
* 主题色一致
* changelog
* admin接入ldap同步数据统计
* ldap同步数据记录接口合并
* fixed: 已同步被禁用用户的DN更新
* 已经同步的LDAP用户被禁止可以继续更新
* 优化代码
* 新增LDAP同步的详细记录
* 新增LDAP禁止用户的数据量统计
* 优化LDAP拉取数据的重复使用
* 优化LDAP同步
* ldap同步记录
* cursor rules

.cursor/rules/06-security-model.mdc

@@ -0,0 +1,33 @@
+---
+description: 
+globs: 
+alwaysApply: false
+---
+# PlayEdu Security Model
+
+This guide outlines the security model of the PlayEdu application.
+
+## Authentication
+- [BackendAuthInterceptor](mdc:playedu-api/playedu-api/src/main/java/xyz/playedu/api/interceptor/BackendAuthInterceptor.java) - Backend authentication interceptor
+- [FrontendAuthInterceptor](mdc:playedu-api/playedu-api/src/main/java/xyz/playedu/api/interceptor/FrontendAuthInterceptor.java) - Frontend authentication interceptor
+- JWT-based authentication for both frontend and backend users
+
+## Authorization
+- Role-based access control for backend users
+- Department-based content access for frontend users
+- Course permission enforcement
+
+## Security Configuration
+- CORS configuration to prevent cross-site request forgery
+- Password encryption using BCrypt
+- Input validation and sanitization
+
+## Resource Security
+- Private video storage and delivery
+- URL-based token authentication for media access
+- Anti-leech protection for media files
+
+## Sensitive Data Protection
+- PII (Personally Identifiable Information) protection
+- Logging sanitization for sensitive data
+- Database encryption for critical fields