{"status":"ok","service":"一只小宠 API","version":"1.0.0","timestamp":"2026-04-20T15:27:54.730Z","features":{"ai":false,"database":true},"endpoints":{"auth":["/auth/login","/auth/register"],"pets":["/pets (GET)","/pets/:id (PUT)","/pets/:id (DELETE)"],"ai":["/ai/chat (POST)"]}}