📝 docs(commands): create check-trainee-file.md documentation

- add documentation for trainee-related file check command
- list core files to check for trainee functionality development context
- include server-side entities, services, middleware and client-side user management page

.roo/commands/check-trainee-学员相关文件检查.md

@@ -0,0 +1,23 @@
+---
+description: "学员相关文件检查指令"
+---
+
+学员相关文件检查，为后续学员相关开发提供上下文
+
+先检查：
+    用户实体和schema：
+    src/server/modules/users/user.entity.ts
+    src/server/modules/users/user.schema.ts
+    src/server/modules/users/user.enum.ts
+
+    用户服务中的学员功能：
+    src/server/modules/users/user.service.ts
+
+    学员过期检查中间件：
+    src/server/middleware/trainee-expiry.middleware.ts
+
+    用户管理页面中的学员功能：
+    src/client/admin/pages/Users.tsx
+
+    认证中间件中的学员检查：
+    src/server/middleware/auth.middleware.ts