✓Internationalisation : FR, EN, ES, PT, DE, AR, JA
✓Traductions IA (DeepL) + validation communauté
✓CDN edge infrastructure (Cloudflare R2 + Workers)
✓DB read replicas (multi-région AWS)
✓Performance : TTI < 1.5s mobile, LCP < 2.5s
✓Load testing 100k users simultanés (k6)