feat: 팀원 모집 알림 Outbox Worker 구현

[taejinn]

🔍 개요

• 팀원 모집 Outbox 이벤트를 lease 기반으로 점유하고 FCM으로 발송합니다.
• close [공통] 팀원 모집 알림 Outbox Worker 구현 #2341

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🚀 주요 변경 내용

• FOR UPDATE SKIP LOCKED 기반 bounded batch claim 구현
• worker별 lease 소유권과 complete 및 fail 상태 전이 적용
• 팀원 모집 알림 6종과 삭제된 inbox 발송 억제 처리
• FCM 일시 오류 backoff 재시도와 영구 오류 terminal 처리
• 운영, 로컬, 테스트 환경별 Outbox 활성화 설정 추가
• nullable deep link를 허용하는 FCM payload 처리

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💬 참고 사항

• 선행 PR: feat: 팀원 모집 마감 자동 처리 #2349
• 설계 참고: AWS Transactional Outbox
• 검증: Outbox lease 및 worker 테스트 통과
• 전체 검증: ./gradlew clean test --no-daemon --no-build-cache --max-workers=1 — 855 tests, 0 failures, 0 errors, 3 skipped

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✅ Checklist

• 코드 스타일 가이드 준수
• 테스트 코드 포함
• Assignee 및 Labels 지정
• 민감 정보 검토

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📥 Commits

Reviewing files that changed from the base of the PR and between 3272622 and ddcaecf.

📒 Files selected for processing (12)

• src/main/java/in/koreatech/koin/domain/team/recruitment/scheduler/TeamRecruitmentOutboxLeaseService.java
• src/main/java/in/koreatech/koin/domain/team/recruitment/scheduler/TeamRecruitmentOutboxProperties.java
• src/main/java/in/koreatech/koin/domain/team/recruitment/scheduler/TeamRecruitmentOutboxScheduler.java
• src/main/java/in/koreatech/koin/domain/team/recruitment/scheduler/TeamRecruitmentOutboxWorker.java
• src/main/java/in/koreatech/koin/infrastructure/fcm/FcmClient.java
• src/main/java/in/koreatech/koin/infrastructure/fcm/FcmSendRequest.java
• src/main/resources/application-local.yml
• src/main/resources/application.yml
• src/test/java/in/koreatech/koin/unit/domain/team/recruitment/scheduler/TeamRecruitmentOutboxLeaseServiceTest.java
• src/test/java/in/koreatech/koin/unit/domain/team/recruitment/scheduler/TeamRecruitmentOutboxWorkerTest.java
• src/test/java/in/koreatech/koin/unit/infrastructure/fcm/FcmClientTest.java
• src/test/resources/application.yml

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[dnjswldnd-3513]

코드 확인했습니다

[insik03]

확인했습니다

[github-actions]

Unit Test Results

872 tests   869 ✔️  1m 43s ⏱️
206 suites      3 💤
206 files        0 ❌

Results for commit ddcaecf.