{"service":"VideoLingo API","version":"2.0.0","description":"YouTube 影片轉錄翻譯服務（同步 + 任務化）","endpoints":{"transcribe":"GET /api/transcribe?url={youtube_url}&target_lang={lang|auto}&keep_files={true|false}","transcribe_youtube":"GET /api/transcribe/youtube?url={youtube_url}&target_lang={lang|auto}&keep_files={true|false}","jobs_create":"POST /api/jobs/transcribe-youtube","jobs_status":"GET /api/jobs/{job_id}","jobs_events":"GET /api/jobs/{job_id}/events","jobs_cancel":"POST /api/jobs/{job_id}/cancel","jobs_result":"GET /api/jobs/{job_id}/result","jobs_list":"GET /api/jobs","auth_status":"GET /api/auth/status","docs":"GET /docs","health":"GET /health"},"authentication":"支援 X-API-Key 或 Authorization: Bearer <token>（可用 AUTH_MASTER_KEY/ENABLE_EXTERNAL_AUTH/AUTH_SERVER_URL 或 VIDEOLINGO_API_TOKEN 設定）"}