diff --git a/.forge/SPRING-ARC-REVIEW-1783835414-attempt-1-run-a9d85b431225.md b/.forge/SPRING-ARC-REVIEW-1783835414-attempt-1-run-a9d85b431225.md
new file mode 100644
index 0000000..db7ca43
--- /dev/null
+++ b/.forge/SPRING-ARC-REVIEW-1783835414-attempt-1-run-a9d85b431225.md
@@ -0,0 +1,3 @@
+# SPRING-ARC-REVIEW-1783835414-attempt-1-run-a9d85b431225
+
+Forge 이슈 작업 브랜치 `forge/SPRING-ARC-REVIEW-1783835414-attempt-1-run-a9d85b431225`.
diff --git a/.forge/iss-81c03d204ddd-attempt-1-run-c46c886cd339.md b/.forge/iss-81c03d204ddd-attempt-1-run-c46c886cd339.md
deleted file mode 100644
index 3fbc70c..0000000
--- a/.forge/iss-81c03d204ddd-attempt-1-run-c46c886cd339.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# iss-81c03d204ddd-attempt-1-run-c46c886cd339
-
-Forge 이슈 작업 브랜치 `forge/iss-81c03d204ddd-attempt-1-run-c46c886cd339`.
diff --git a/docs/architecture/transaction-sequence.md b/docs/architecture/transaction-sequence.md
deleted file mode 100644
index c4e14df..0000000
--- a/docs/architecture/transaction-sequence.md
+++ /dev/null
@@ -1,32 +0,0 @@
-```mermaid
-sequenceDiagram
-    participant User
-    participant PaymentGateway
-    participant PaymentService
-    participant Database
-
-    User->>+PaymentService: Start Payment
-    PaymentService->>+PaymentGateway: Process Payment
-    PaymentGateway-->>-PaymentService: Payment Success
-    PaymentService->>Database: Record Payment
-    Database-->>-PaymentService: Payment Recorded
-    PaymentService-->>-User: Payment Confirmed
-
-    %% External Failure
-    User->>+PaymentService: Start Payment
-    PaymentService->>+PaymentGateway: Process Payment
-    PaymentGateway-->>-PaymentService: Payment Failed
-    PaymentService-->>-User: Payment Failed
-
-    %% DB Failure
-    User->>+PaymentService: Start Payment
-    PaymentService->>+PaymentGateway: Process Payment
-    PaymentGateway-->>-PaymentService: Payment Success
-    PaymentService->>Database: Record Payment
-    Database-->>-PaymentService: DB Failure
-    PaymentService-->>-User: Payment Processing Error
-
-    %% Commit/Rollback
-    Note over PaymentService: Commit if successful
-    Note over PaymentService: Rollback if there's an error
-```
\ No newline at end of file