From a668e94ed6e14b284a4e8524d1bf0a56360389ec Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 07:38:09 +0000
Subject: [PATCH 1/2] forge: open work branch for
 iss-bae72bbf49e3-attempt-4-run-503896c06e5d

---
 .forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d.md

diff --git a/.forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d.md b/.forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d.md
new file mode 100644
index 0000000..63d6168
--- /dev/null
+++ b/.forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d.md
@@ -0,0 +1,3 @@
+# iss-bae72bbf49e3-attempt-4-run-503896c06e5d
+
+Forge 이슈 작업 브랜치 `forge/iss-bae72bbf49e3-attempt-4-run-503896c06e5d`.
-- 
2.49.1


From 4a033cb9a1472f74497b9c364cb11ec7bc850217 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 07:38:15 +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-bae72bbf49e3)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/architecture/transaction-sequence.md | 29 +++++++++++++++++++++++
 1 file changed, 29 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..51097da
--- /dev/null
+++ b/docs/architecture/transaction-sequence.md
@@ -0,0 +1,29 @@
+```mermaid
+sequenceDiagram
+    participant User
+    participant PaymentGateway
+    participant Database
+    opt Successful Transaction
+        User->>PaymentGateway: Initiate Payment
+        PaymentGateway-->>User: Payment Confirmation
+        User->>Database: Update Transaction Record
+        Database-->>User: Transaction Updated
+        User->>User: Payment Succeeded
+    end
+    opt External Failure
+        User->>PaymentGateway: Initiate Payment
+        PaymentGateway-->>User: Payment Error
+        User->>User: Payment Failed
+    end
+    opt DB Failure
+        User->>PaymentGateway: Initiate Payment
+        PaymentGateway-->>User: Payment Confirmation
+        User->>Database: Update Transaction Record
+        Database-->>User: DB Error
+        User->>PaymentGateway: Cancel Transaction
+        PaymentGateway-->>User: Transaction Canceled
+    end
+    %% Commit and Rollback%%
+    Note over User, PaymentGateway: Commit after successful transaction
+    Note over User, Database: Rollback on DB failure
+```
\ No newline at end of file
-- 
2.49.1