{"service":"Garmin Proxy - Coach IA","status":"running","endpoints":{"health":"GET  /health","data":"POST /data    {email, password} → payload con pcurve/ftpEst/reto","workout":"POST /workout {email, password, name, dot, duration, date?} → sube y agenda","activity_track":"POST /activity_track {email, password, activityId} → polilínea GPS para el mini-mapa","activity_hide":"POST /activity/hide {email, password, activityId, hide} → oculta/restaura una actividad de Garmin del histórico","apple_ingest":"POST /apple/ingest {email, token, hrv, restingHR, sleepHours, weight, vo2max, workout} → Apple Watch","clear":"POST /clear-cache {email}","track":"POST /track {email, events:[{ev}]}","admin_config":"GET/PUT /admin/config  (Bearer ADMIN_TOKEN)","admin_audit":"GET /admin/audit?limit=200","admin_usage":"GET /admin/usage?days=30"}}