fix(deploy): 修复远程健康检查变量展开时机

为 ssh heredoc 中的循环与变量引用补充转义，避免在本地 set -u 环境下提前展开导致 HEALTH_URL/HEALTH_OK 未定义报错。

Made-with: Cursor

.gitea/workflows/deploy.yml

@@ -71,16 +71,16 @@ jobs:
         docker compose -f deploy/docker/docker-compose.yml ps
         HEALTH_URL="http://127.0.0.1:\${HOST_BIND_PORT:-3000}/api/docs"
         HEALTH_OK=0
-        for i in $(seq 1 30); do
+        for i in \$(seq 1 30); do
-          if curl -fsS "${HEALTH_URL}" >/dev/null; then
+          if curl -fsS "\${HEALTH_URL}" >/dev/null; then
             HEALTH_OK=1
             break
           fi
           sleep 2
         done
-        if [ "${HEALTH_OK}" -ne 1 ]; then
+        if [ "\${HEALTH_OK}" -ne 1 ]; then
           docker compose -f deploy/docker/docker-compose.yml --env-file deploy/docker/.env logs --tail=200 app || true
-          echo "Health check failed: ${HEALTH_URL}"
+          echo "Health check failed: \${HEALTH_URL}"
           exit 1
         fi
         EOF