From 9f1c3535a6bee3475437b7cc9a10154a2b871697 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 05:34:25 +0000
Subject: [PATCH 1/2] forge: open work branch for
 iss-478981daa4be-attempt-1-run-c0b7e9d69a7a

---
 .forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md

diff --git a/.forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md b/.forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md
new file mode 100644
index 0000000..d92c95b
--- /dev/null
+++ b/.forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a.md
@@ -0,0 +1,3 @@
+# iss-478981daa4be-attempt-1-run-c0b7e9d69a7a
+
+Forge 이슈 작업 브랜치 `forge/iss-478981daa4be-attempt-1-run-c0b7e9d69a7a`.
-- 
2.49.1


From d6a5bdaea6027d7e8e1589c21a644a232a2aceab Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 05:34:32 +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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 =?UTF-8?q?=EC=A0=95=EC=9D=98=20(2/2)=20(iss-478981daa4be)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 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
new file mode 100644
index 0000000..8803753
--- /dev/null
+++ b/docs/architecture/transaction-sequence.md
@@ -0,0 +1,31 @@
+```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
+```
\ No newline at end of file
-- 
2.49.1