diff --git a/.forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md b/.forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md
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-# iss-478981daa4be-attempt-1-run-c0b7e9d69a7a
-
-Forge 이슈 작업 브랜치 `forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a`.
diff --git a/docs/architecture/transaction-sequence.md b/docs/architecture/transaction-sequence.md
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-```mermaid
-sequenceDiagram
-    participant User
-    participant PaymentGateway
-    participant Database
-
-    %% 정상 흐름 %%
-    User->>PaymentGateway: 결제 요청
-    PaymentGateway->>User: 결제 승인
-    User->>Database: 거래 기록 저장
-    Database-->>User: 거래 성공
-    %% 커밋 %%
-    User->>Database: 커밋
-    Database-->>User: 커밋 완료
-
-    %% 외부 실패 %%
-    User->>PaymentGateway: 결제 요청
-    PaymentGateway-->>User: 결제 실패
-    %% 롤백 %%
-    User->>Database: 롤백
-    Database-->>User: 롤백 완료
-
-    %% DB 실패 %%
-    User->>PaymentGateway: 결제 요청
-    PaymentGateway->>User: 결제 승인
-    User->>Database: 거래 기록 저장
-    Database-->>User: DB 오류
-    %% 롤백 %%
-    User->>Database: 롤백
-    Database-->>User: 롤백 완료
-```
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