From cf6a5fe021d85833c0edcb5a23485fb295a10d9a Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 05:19:35 +0000
Subject: [PATCH 1/2] forge: open work branch for iss-5a912ed79baf-attempt-2

---
 .forge/iss-5a912ed79baf-attempt-2.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/iss-5a912ed79baf-attempt-2.md

diff --git a/.forge/iss-5a912ed79baf-attempt-2.md b/.forge/iss-5a912ed79baf-attempt-2.md
new file mode 100644
index 0000000..59e7abd
--- /dev/null
+++ b/.forge/iss-5a912ed79baf-attempt-2.md
@@ -0,0 +1,3 @@
+# iss-5a912ed79baf-attempt-2
+
+Forge 이슈 작업 브랜치 `forge/iss-5a912ed79baf-attempt-2`.
-- 
2.49.1


From f5923a3a7a6062ef775a1e34645c01d651b86fbb Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Sun, 12 Jul 2026 05:19:41 +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-5a912ed79baf)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/architecture/transaction-sequence.md | 23 +++++++++++++++++++++++
 1 file changed, 23 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
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+++ b/docs/architecture/transaction-sequence.md
@@ -0,0 +1,23 @@
+```mermaid
+sequenceDiagram
+    participant User
+    participant PaymentGateway
+    participant Database
+
+    User->>PaymentGateway: Initiate payment
+    PaymentGateway->>User: Payment status (success)
+    User->>Database: Save transaction
+    Database-->>User: Transaction saved
+
+    %% External failure scenario
+    User->>PaymentGateway: Initiate payment
+    PaymentGateway-->>User: Payment status (failure)
+    User->>Database: Log failure reason
+
+    %% Database failure scenario
+    User->>PaymentGateway: Initiate payment
+    PaymentGateway->>User: Payment status (success)
+    User->>Database: Save transaction
+    Database-->>User: Transaction failed (DB error)
+    Note right of User: Rollback transaction
+```
\ No newline at end of file
-- 
2.49.1