- Added AddCategoryReqVO for category creation with validation
- Created AdminCategoryController with endpoints for add, list, delete and select operations
- Implemented AdminCategoryService interface and its methods
- Added Category entity with JPA annotations and logical delete support
- Created CategoryRepository extending JpaRepository with custom query methods
- Added SQL table creation script for t_category with indexes and constraints
- Implemented PageResponse utility for handling paginated results
- Added FindCategoryPageListReqVO and FindCategoryPageListRspVO for pagination
- Included DeleteCategoryReqVO for category deletion requests
- Updated Jackson configuration to ignore unknown properties
- Added base page query model and user info response VO
- Fixed typo in response code enum for user not exist error
- Configured JWT token validation filter in security chain
- Added user role mapping with new t_user_role table and UserRole entity
- Implemented custom authentication entry point and access denied handler
- Updated UserDetailService to load user roles from database
- Added @PreAuthorize annotation support for method-level security
- Refactored build scripts to use java-library plugin and proper dependency scope
- Enhanced SQL schema with user role table and improved table comments
- Added global exception handler for AccessDeniedException
- Introduced ResponseCodeEnum constants for unauthorized and forbidden access
- Integrated TokenAuthenticationFilter into Spring Security filter chain
