agy-openai-proxy POST /v1/chat/completions OpenAI chat completions (stream + JSON) POST /v1/completions legacy text completions GET /v1/models available Antigravity models GET /v1/accounts per-account status, cooldown, sessions POST /v1/accounts/:label/reset clear a quota cooldown POST /v1/accounts/:label/enable|disable GET /v1/auth/status local auth + runtime status POST /v1/auth/login start Google login ({"account":"