{"service":"vt-search","collection":"voicetube_videos_title_v2","model":"text-embedding-3-small","dim":384,"endpoints":["GET  /health","POST /search          {query, lang?, top_k?, mode?(vector|hybrid), collection?}","GET  /videos/default  {channel?, userId?, locale?} basic video data for the blank page (needs vt_api_token)","GET  /admin          (HTMX video search GUI — needs `gcloud run services proxy` first)","GET  /admin/words    (HTMX words dictionary GUI — needs MySQL config)","GET  /admin/chat     (HTMX 對話 AI-coaching chat GUI — needs vt_api_token, proxies vt-bs)"]}