diff --git a/.gitea/workflows/cd-dev.yaml b/.gitea/workflows/cd-dev.yaml
index 7d168d5a..4e1e23a2 100644
--- a/.gitea/workflows/cd-dev.yaml
+++ b/.gitea/workflows/cd-dev.yaml
@@ -65,6 +65,8 @@ jobs:
           fi
 
           cd apps/api
+          # 2026-04-22 ogt: DATABASE_URL 改為必填，單元測試需要此 env var 讓 Settings 通過驗證
+          DATABASE_URL="${DATABASE_URL:-postgresql+asyncpg://ci:ci@localhost/ci}" \
           pytest tests/ -v --tb=short -x \
             --ignore=tests/test_anomaly_counter.py \
             --ignore=tests/test_global_repair_cooldown.py \
diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index fc792ccf..93fa50d1 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -128,6 +128,9 @@ jobs:
           #   原問題: import src.main → asyncpg C ext segfault (exit 139)
           #   修復: 改用最小化 app，只掛載 github_webhook router，不走 DB import chain
           #   現在可安全加入 CI 測試
+          # 2026-04-22 ogt: DATABASE_URL 改為必填後，單元測試需要此 env var 讓 Settings 通過驗證
+          # 單元測試不連 DB，此 CI placeholder 僅供 Pydantic 驗證，不產生真實連線
+          DATABASE_URL="${DATABASE_URL:-postgresql+asyncpg://ci:ci@localhost/ci}" \
           PYTHONFAULTHANDLER=1 python3.11 -m pytest tests/ -v --tb=short -x \
             --ignore=tests/integration \
             --ignore=tests/test_anomaly_counter.py \