feat: Genspark-Standard upgrade, MLOps audit fixes, and XAMLÉ branding

feat(admin): build Ground Truth Training Lab to calculate WER and capture dictionary improvements

feat(admin): display Whisper STT confidence score in moderation live feed

fix(admin): remove unused React and Play imports breaking the netlify build

feat(admin): add viewing full chat history in user list

feat(admin): integrate LiveFeed moderation component into the dashboard

fix(admin): resolve SPA 404 routing errors and broken favicon

feat(prod): implementation of missing features for production readiness

docs: add audit_production.md + plan_implementation_prod.md; fix admin phone field

feat: admin auth login, real WhatsApp Cloud API, Cloudflare R2 storage

feat(ui): complete landing page and admin dashboard exports

feat: implement dynamic admin dashboard with API data

Initial commit: Monorepo setup with React+Vite, Fastify, Prisma, and Docker Compose