From ecece77a596dfe140a777530ccad7e19a8b78d3b Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 07:23:03 +0000
Subject: [PATCH 1/2] forge: open work branch for
 iss-3588e28b9152-attempt-2-run-110ea1627109

---
 .forge/iss-3588e28b9152-attempt-2-run-110ea1627109.md | 3 +++
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 create mode 100644 .forge/iss-3588e28b9152-attempt-2-run-110ea1627109.md

diff --git a/.forge/iss-3588e28b9152-attempt-2-run-110ea1627109.md b/.forge/iss-3588e28b9152-attempt-2-run-110ea1627109.md
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index 0000000..70d88dd
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+++ b/.forge/iss-3588e28b9152-attempt-2-run-110ea1627109.md
@@ -0,0 +1,3 @@
+# iss-3588e28b9152-attempt-2-run-110ea1627109
+
+Forge 이슈 작업 브랜치 `forge/iss-3588e28b9152-attempt-2-run-110ea1627109`.

From 50567469a43feb54a955d91de66331b0682bbbca Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 07:23:12 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=EA=B2=B0=EC=A0=9C=20=EC=A0=84=ED=99=98=20?=
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---
 docs/architecture/transaction-sequence.md | 31 +++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 docs/architecture/transaction-sequence.md

diff --git a/docs/architecture/transaction-sequence.md b/docs/architecture/transaction-sequence.md
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+---
+# Transaction Sequence
+
+## Sequence Diagram
+
+```mermaid
+sequenceDiagram
+    participant User
+    participant PaymentGateway
+    participant Database
+
+    User->>PaymentGateway: 결제 요청
+    alt 정상 흐름
+        PaymentGateway-->>User: 결제 승인
+        User->>Database: 트랜잭션 저장
+        Database-->>User: 저장 완료
+        Note right of User: 커밋
+    else 외부 실패
+        PaymentGateway-->>User: 결제 실패
+        Note right of User: 롤백
+    else DB 실패
+        User->>Database: 트랜잭션 저장 실패
+        Note right of User: 롤백
+    end
+```
+
+## Commit and Rollback
+- 정상 흐름에서 트랜잭션이 성공적으로 저장되면 커밋이 발생합니다.
+- 외부 실패 또는 DB 실패 시 롤백이 발생합니다.
+
+---
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