{"ok":true,"date":"2026-01-05","timezone":"Africa\/Casablanca","duration_minutes":30,"slots":[],"form_cfg":{"fields":[{"key":"visitor_name","label":"Your name","type":"text","required":true,"enabled":true},{"key":"visitor_email","label":"Your email","type":"email","required":true,"enabled":true},{"key":"visitor_phone","label":"Phone (optional)","type":"tel","required":false,"enabled":false},{"key":"company","label":"Company (optional)","type":"text","required":false,"enabled":false},{"key":"notes","label":"Notes (optional)","type":"textarea","required":false,"enabled":true}]}}