diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index b46bd602..95dd0609 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -106,9 +106,10 @@ jobs:
           # 2026-04-05 Claude Code: 加 --ignore=tests/integration 排除需 asyncpg 連線的 DB 測試
           #   integration tests 在 prod K8s 部署後由 E2E Smoke Test 覆蓋
           # PYTHONFAULTHANDLER=1: 若 C extension segfault，輸出完整 Python stacktrace
-          # test_github_webhook.py: import src.main → 觸發 asyncpg C ext → CI segfault (exit 139)
-          # src.main 在 collection 時初始化 SQLAlchemy async engine (asyncpg C extension)
-          # 此測試在 prod E2E Smoke Test 覆蓋 (awoooi.wooo.work)
+          # 2026-04-05 Claude Code: test_github_webhook.py 已根治
+          #   原問題: import src.main → asyncpg C ext segfault (exit 139)
+          #   修復: 改用最小化 app，只掛載 github_webhook router，不走 DB import chain
+          #   現在可安全加入 CI 測試
           PYTHONFAULTHANDLER=1 python3.11 -m pytest tests/ -v --tb=short -x \
             --ignore=tests/integration \
             --ignore=tests/test_anomaly_counter.py \
@@ -116,7 +117,6 @@ jobs:
             --ignore=tests/test_redis_multisig.py \
             --ignore=tests/test_model_regression.py \
             --ignore=tests/test_prompt_validation.py \
-            --ignore=tests/test_github_webhook.py \
             --ignore=tests/e2e_network_test.py \
             2>&1 | tee /tmp/pytest-output.txt; PYTEST_EXIT=${PIPESTATUS[0]}
           tail -60 /tmp/pytest-output.txt
diff --git a/apps/api/tests/test_github_webhook.py b/apps/api/tests/test_github_webhook.py
index 0ade6935..0217adbe 100644
--- a/apps/api/tests/test_github_webhook.py
+++ b/apps/api/tests/test_github_webhook.py
@@ -17,9 +17,17 @@ import json
 
 import httpx
 import pytest
+from fastapi import FastAPI
 from httpx import ASGITransport
 
-from src.main import app
+# 2026-04-05 Claude Code: 改用最小化 app，只掛載 github_webhook router
+# 原 `from src.main import app` 會 import 整個應用，觸發 sqlalchemy.ext.asyncio
+# C extension (asyncpg.protocol.protocol) 在 CI runner 上 segfault (exit 139)
+# github_webhook router 的 import chain 不走 DB，可獨立測試
+from src.api.v1.github_webhook import router as github_webhook_router
+
+app = FastAPI()
+app.include_router(github_webhook_router, prefix="/api/v1")
 
 # 環境變數設定已移至 conftest.py (解決 E402)