{"success":true,"message":"🚀 API S.I.E Backend - Serveur opérationnel","version":"1.0.0","timestamp":"2026-07-19T14:14:31.408Z","environment":"production","uptime":"8761188s","endpoints":{"health":"/api/health","config":"/api/config/emailjs","contact":"/api/contact","auth":"/api/auth"}}