feat: 아바타 프로필을 DB로 마이그레이션

[jaejoong0529]

🔎 작업 내용

• 아바타 프로필을 DB로 마이그레이션
• CacheConfig 추가 (Redis 캐싱, TTL 1시간)
• 스웨거에서 한글 깨짐 현상 해결

➕ 이슈 링크

• Closed [FEAT] 아바타 프로필을 DB로 마이그레이션 #130

📸 스크린샷

😎 리뷰 요구사항

🧑‍💻 예정 작업

📝 체크리스트

• 브랜치 이름은 feature/개발내용 형식으로 작성했는가?
• 커밋 메시지는 feat: 커밋 내용 형식으로 작성했는가?
• 작업 전 Issue를 작성했는가?
• dev 브랜치로 병합을 요청했는가?
• 불필요한 주석과 공백은 제거했는가?
• 코드 리뷰어의 피드백을 반영했는가?
• 테스트를 진행했는가?
• 테스트 코드를 작성했는가?

[Copilot]

Pull request overview

This PR migrates avatar profile data from a hardcoded in-memory Map to a database-backed solution with Redis caching, while also addressing Korean character encoding issues in Swagger documentation and database connections.

• Replaces AvatarProfileProvider (hardcoded Map) with AvatarProfileService (database + cache)
• Adds Redis caching with 1-hour TTL for avatar profiles to optimize frequent lookups
• Fixes Korean character encoding in Swagger UI and MySQL connection strings

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/main/java/com/dduru/gildongmu/survey/service/AvatarProfileService.java	New service that retrieves avatar profiles from database with Redis caching
src/main/java/com/dduru/gildongmu/survey/service/AvatarProfileProvider.java	Removed hardcoded avatar profile provider
src/main/java/com/dduru/gildongmu/survey/domain/AvatarProfile.java	New entity to store avatar profiles in database with JSON tags column
src/main/java/com/dduru/gildongmu/survey/repository/AvatarProfileRepository.java	New repository interface for avatar profile database access
src/main/java/com/dduru/gildongmu/survey/exception/AvatarProfileNotFoundException.java	New exception for missing avatar profiles
src/main/java/com/dduru/gildongmu/config/CacheConfig.java	New Redis cache configuration with 1-hour TTL
src/main/java/com/dduru/gildongmu/config/WebMvcConfig.java	Added UTF-8 charset configuration for HTTP message converters
src/main/java/com/dduru/gildongmu/survey/service/SurveyService.java	Updated to use new AvatarProfileService instead of AvatarProfileProvider
src/main/java/com/dduru/gildongmu/survey/dto/SurveyResponse.java	Updated to use AvatarProfileService and retrieve description from profile instead of enum
src/main/java/com/dduru/gildongmu/survey/domain/enums/AvatarType.java	Removed getDescription() method as descriptions now come from database
src/main/java/com/dduru/gildongmu/common/exception/ErrorCode.java	Added AVATAR_PROFILE_NOT_FOUND error code
src/main/resources/application.yml	Added charset=UTF-8 to Swagger media type configurations
src/main/resources/application-dev.yml	Added UTF-8 encoding and timezone parameters to MySQL connection URL
src/test/java/com/dduru/gildongmu/survey/service/SurveyServiceTest.java	Updated tests to use AvatarProfileService with new description field

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[shinheekim]

수고하셨습니다~~!