diff --git a/troubleshooting/250930_naverworks_slack_04_lists_api_skill_integration.md b/troubleshooting/250930_naverworks_slack_04_lists_api_skill_integration.md
index 26ba47c..d853163 100644
--- a/troubleshooting/250930_naverworks_slack_04_lists_api_skill_integration.md
+++ b/troubleshooting/250930_naverworks_slack_04_lists_api_skill_integration.md
@@ -73,19 +73,21 @@ skill-slack에 올바른 Lists 엔드포인트 추가 → rb8001은 HTTP로만 
   - files_upload_v2 사용 (81줄)
 
 ### 3. 생성 파일 (FastAPI 구조 원칙 준수)
+- **app/models/requests.py** (60-68줄 참고, 추가)
+  - `SlackListRequest(list_id, initial_fields?, token?)`
 - **app/services/slack_lists_service.py** (신규, 비즈니스 계층)
-  - list_items(), create_item() - Slack API 호출 로직
-  - test_slack_lists.py:137-222 헬퍼 함수 이전
-  - requests 라이브러리 사용
+  - `list_items(list_id, token)`, `create_item(list_id, fields, token)`
+  - test_slack_lists.py:137-222 로직 이전
 - **app/api/endpoints/lists.py** (신규, 요청 계층)
-  - GET /api/v1/lists/{list_id}/items → services 호출
-  - POST /api/v1/lists/items → services 호출
-  - messages.py:26-34 패턴 (토큰, 인증, 에러 처리)
+  - `GET /lists/{list_id}/items`, `POST /lists/items`
+  - messages.py:19-64 패턴 (토큰/인증/에러)
+- **app/api/__init__.py** (4줄, 12줄 참고, 추가)
+  - `from .endpoints import lists`
+  - `router.include_router(lists.router, prefix="/lists", tags=["Lists"])`
 
 ### 4. rb8001 수정
 - rb8001/app/services/slack_lists_client.py 제거
-- rb8001/scheduler/jobs/coldmail_briefing.py:100-102 - skill-slack HTTP 호출
-- SKILL_SLACK_URL 환경변수 (8502)
+- rb8001/scheduler/jobs/coldmail_briefing.py:100-102 → `httpx.post(f"{SKILL_SLACK_URL}/api/v1/lists/items")`
 
 ---