From 3dd4f940bf5db09ab00a40be9cb9bea841e545c3 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 04:29:22 +0000
Subject: [PATCH 1/2] forge: open work branch for iss-d65d495e8095-attempt-1

---
 .forge/iss-d65d495e8095-attempt-1.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/iss-d65d495e8095-attempt-1.md

diff --git a/.forge/iss-d65d495e8095-attempt-1.md b/.forge/iss-d65d495e8095-attempt-1.md
new file mode 100644
index 0000000..6a47dce
--- /dev/null
+++ b/.forge/iss-d65d495e8095-attempt-1.md
@@ -0,0 +1,3 @@
+# iss-d65d495e8095-attempt-1
+
+Forge 이슈 작업 브랜치 `forge/iss-d65d495e8095-attempt-1`.
-- 
2.49.1


From 5809091bac6af5a4b0cfabafdda2b31d7a9e1a27 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 04:29:29 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=EA=B2=B0=EC=A0=9C=20=EC=A0=84=ED=99=98=20?=
 =?UTF-8?q?=EB=AA=A9=ED=91=9C=20=EC=95=84=ED=82=A4=ED=85=8D=EC=B2=98=20?=
 =?UTF-8?q?=EC=A0=95=EC=9D=98=20(2/2)=20(iss-d65d495e8095)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/architecture/transaction-sequence.md | 28 +++++++++++++++++++++++
 1 file changed, 28 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..2c2686e
--- /dev/null
+++ b/docs/architecture/transaction-sequence.md
@@ -0,0 +1,28 @@
+sequenceDiagram
+    participant User as User
+    participant PaymentGateway as Payment Gateway
+    participant PaymentService as Payment Service
+    participant Database as Database
+
+    User->>PaymentService: 요청(결제)
+    PaymentService->>PaymentGateway: 결제 요청
+    alt 정상 케이스
+        PaymentGateway-->>PaymentService: 결제 성공
+        PaymentService->>Database: DB에 거래 내역 저장
+        Database-->>PaymentService: 저장 성공
+        PaymentService-->>User: 결제 완료
+    else 외부 실패
+        PaymentGateway-->>PaymentService: 결제 실패
+        PaymentService-->>User: 결제 실패 메시지 전송
+    else DB 실패
+        PaymentGateway-->>PaymentService: 결제 성공
+        PaymentService->>Database: DB에 거래 내역 저장
+        Database-->>PaymentService: 저장 실패
+        PaymentService-->>User: 결제 실패 메시지 전송
+    end
+
+    %% Commit과 Rollback 경계
+    PaymentService->>Database: COMMIT (정상 흐름)
+    Database-->>PaymentService: COMMIT 성공
+    PaymentService->>Database: ROLLBACK (오류 발생 시)
+    Database-->>PaymentService: ROLLBACK 완료
-- 
2.49.1