{"success":true,"message":"🚀 API S.I.E Backend - Serveur opérationnel","version":"1.0.0","timestamp":"2026-06-03T07:43:43.832Z","environment":"production","uptime":"4763341s","endpoints":{"health":"/api/health","config":"/api/config/emailjs","contact":"/api/contact","auth":"/api/auth"}}