fix(ci): 增加PG/Redis端口连通性检查，解决容器healthy但映射端口连不上的问题

- run_validate.sh: PG健康检查后增加TCP连通性确认
- run_integration_tests.sh: PG和Redis都增加TCP连通性确认
- 解决docker端口映射延迟导致alembic迁移/测试连接失败的偶发问题

scripts/ci/run_integration_tests.sh

@@ -44,6 +44,17 @@ for i in $(seq 1 15); do
 done
 docker inspect --format='{{.State.Health.Status}}' "$REDIS_CONTAINER" | grep -q healthy
 
+# 额外验证：确保从宿主侧通过映射端口实际能连上 Redis
+for i in $(seq 1 20); do
+  if python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $REDIS_PORT)); s.close()" 2>/dev/null; then
+    echo "TCP connectivity to Redis confirmed on port $REDIS_PORT"
+    break
+  fi
+  echo "Waiting for TCP connectivity to Redis on port $REDIS_PORT... ($i/20)"
+  sleep 2
+done
+python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $REDIS_PORT)); s.close()"
+
 # --- 启动 PostgreSQL ---
 echo ""
 echo "=== 启动 PostgreSQL ==="
@@ -73,6 +84,17 @@ for i in $(seq 1 30); do
 done
 docker inspect --format='{{.State.Health.Status}}' "$PG_CONTAINER" | grep -q healthy
 
+# 额外验证：确保从宿主侧通过映射端口实际能连上 PG（端口映射可能有延迟）
+for i in $(seq 1 30); do
+  if python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $PG_PORT)); s.close()" 2>/dev/null; then
+    echo "TCP connectivity to PostgreSQL confirmed on port $PG_PORT"
+    break
+  fi
+  echo "Waiting for TCP connectivity to PostgreSQL on port $PG_PORT... ($i/30)"
+  sleep 2
+done
+python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $PG_PORT)); s.close()"
+
 # --- 执行迁移 ---
 echo ""
 echo "=== 执行 Alembic 迁移 ==="

scripts/ci/run_validate.sh

@@ -196,6 +196,18 @@ for i in $(seq 1 30); do
   sleep 2
 done
 docker inspect --format='{{.State.Health.Status}}' "$PG_CONTAINER" | grep -q healthy
+
+# 额外验证：确保从宿主侧通过映射端口实际能连上（端口映射可能有延迟）
+for i in $(seq 1 30); do
+  if python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $PG_PORT)); s.close()" 2>/dev/null; then
+    echo "TCP connectivity to PostgreSQL confirmed on port $PG_PORT"
+    break
+  fi
+  echo "Waiting for TCP connectivity to PostgreSQL on port $PG_PORT... ($i/30)"
+  sleep 2
+done
+python3 -c "import socket; s=socket.socket(); s.settimeout(2); s.connect(('127.0.0.1', $PG_PORT)); s.close()"
+
 PYTHONPATH="$PWD/apps/api:$PWD" python3 -m alembic upgrade head
 echo "✅ Alembic migrations applied successfully"
 docker rm -f "$PG_CONTAINER" 2>/dev/null || true