feats/security → design 병합: 2FA·Step-up 인증 통합

- SuccessHandler 충돌 해결: LoginFinalizer 리팩터 버전 채택
- LoginFinalizer 로그 마스킹 재적용(design 변경 보존)
- CSS 생성물 충돌은 SASS 재컴파일로 해소(.tfa- 포함)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Rinjae
2026-07-28 09:55:57 +09:00
43 changed files with 3174 additions and 29073 deletions
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