docs:도메인 스왑 반영 — admin.codebridge-x.com ↔ mng.codebridge-x.com

운영: admin.codebridge-x.com → mng.codebridge-x.com
개발: mng.codebridge-x.com → admin.codebridge-x.com

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

front/AUTO_LOGIN_GUIDE.md

@@ -34,7 +34,7 @@ MNG 관리자가 사용자 목록에서 "DEV 접속" 버튼을 클릭하면, 해
 | 환경 | MNG | DEV |
 |------|-----|-----|
 | 로컬 | https://mng.sam.kr | https://dev.sam.kr |
-| 개발 | https://mng.codebridge-x.com | https://dev.codebridge-x.com |
+| 개발 | https://admin.codebridge-x.com | https://dev.codebridge-x.com |
 
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