Changes:
- Add generic image upload API endpoint (POST /user/upload-image)
- Add uploadImage method in StorageService for backend
- Add uploadImage method in AccountService for frontend
- Add selfApplyStatus and selfApplyAuthorization methods in AuthorizationService
- Replace mock data with real API calls in authorization apply page
- Add API endpoints for self-apply status and self-apply authorization
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add StorageService for MinIO object storage operations
- Add upload-avatar API endpoint with file validation
- Support jpg, png, gif, webp formats (max 5MB)
- Auto-update user profile after avatar upload
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>