fix(ai): add imageUrl field to Prisma schema and correctly route language selection inside whatsapp.ts

feat(sprint19-20): production-ready video integration & STT hardening

Audit Final: Fix feedback message construction & Global Hardening

feat(wolof): standardized tracks T1-T5 with glossary v4.0 and implemented adaptive multi-sector architecture

feat(audit): hardened graduation flow and industrialized badge system

feat(pedagogy): implementation of dynamic content infrastructure and evaluation criteria

feat: implement adaptive pedagogy, visuals, and remediation (WOW Phase 1)

fix(arch): HF inbound-only + seedDatabase export + DISABLE_WORKER + DISABLE_WHATSAPP_SEND