diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index 50facd16..91427567 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -140,13 +140,19 @@ jobs:
 
       # ── 整合測試 B5 (2026-04-10) ──────────────────────────────────────────
       # B5 整合測試 — postgres-test 由 services: 提供，localhost:15432 直連
+      # 2026-04-10 Claude Sonnet 4.6: 用 psql 直連 localhost:15432 初始化 schema
+      #   (docker exec 在 act runner 內無法取得 service container name)
       - name: Integration Tests (B5 — 真實 DB)
         run: |
           cd apps/api
-          # 初始化 schema (用 docker exec 進 service container)
-          PG_CTR=$(docker ps --filter name=postgres-test --format '{{.Names}}' | head -1)
-          docker exec -i "$PG_CTR" \
-            psql -U awoooi -d awoooi_test < tests/integration/setup_test_schema.sql
+          # 安裝 psql client (runner 層級持久，首次才裝)
+          if ! command -v psql &>/dev/null; then
+            apt-get install -y -q postgresql-client
+          fi
+          # 初始化 schema — 直連 service container (localhost:15432)
+          PGPASSWORD=awoooi_test_2026 psql \
+            -h localhost -p 15432 -U awoooi -d awoooi_test \
+            -f tests/integration/setup_test_schema.sql
           # 跑測試 — service container 在同網路，localhost:15432 可連
           TEST_DATABASE_URL="postgresql+asyncpg://awoooi:awoooi_test_2026@localhost:15432/awoooi_test?ssl=disable" \
             /opt/api-venv/bin/pytest tests/integration/test_b5_core_flows.py -v --tb=short