{"ok": true, "service": "guccim-extension-api", "mode": "DRY-RUN", "endpoints": ["GET /health", "GET /api/status", "POST /api/buy", "POST /api/sell", "POST /api/mode", "POST /api/fees", "POST /api/wallet/activate"], "note": "les routes /api/* exigent le header Authorization: Bearer <token>"}