feat: Notification 배치 저장 로직 추가

[Soundbar91]

🔍 개요

• close [공통] Notification 배치 저장 로직 추가 #2264

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🚀 주요 변경 내용

NotificationJdbcRepository 클래스 추가

• jpa의 saveAll 메소드의 경우 N개를 저장한다고 가정을 하면 insert 쿼리를 N개를 호출했습니다.
• 키워드 기능에서 평균 50개의 단일 insert 쿼리가 발생하고 있습니다.
• 이를 한 번에 insert 하고자 jdbctemplate를 활용하여 배치처리를 할 수 있도록 클래스를 추가했습니다.

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💬 참고 사항

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✅ Checklist (완료 조건)

• 코드 스타일 가이드 준수
• 테스트 코드 포함됨
• Reviewers / Assignees / Labels 지정 완료
• 보안 및 민감 정보 검증 (API 키, 환경 변수, 개인정보 등)

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 9e851728-aebc-40f2-8cc9-b035c1369120

📥 Commits

Reviewing files that changed from the base of the PR and between 6493d93 and d221f63.

📒 Files selected for processing (3)

• src/main/java/in/koreatech/koin/domain/notification/repository/NotificationJdbcRepository.java
• src/main/java/in/koreatech/koin/domain/notification/service/NotificationService.java
• src/test/java/in/koreatech/koin/unit/domain/notification/service/NotificationServiceTest.java

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/2264-add-notification-save-batch

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[github-actions]

Unit Test Results

672 tests   669 ✔️  1m 24s ⏱️
166 suites      3 💤
166 files        0 ❌

Results for commit d221f63.