fix(api): secure storage of ai api keys by encrypting them

refactor(debt): resolve all 10 technical debt items from audit

fix(prisma): add migration file for metaBusinessId + remove as-any casts

feat(meta-status): sync daily limit + quality rating live from Meta phone number API

feat(meta-status): store metaBusinessId for reliable business verification

fix(meta-status): add on_behalf_of_business_info fallback for business verification

fix(meta-status): split combined Meta API call + fix business badge for test WABAs

feat(meta): live Meta verification status + WhatsApp setup fixes

feat: implement whatsapp templates management with security hardening, audit logs, and crm integration

chore: stabilization, audit fixes and project synchronization

chore: finalize Sprint P2 & P3 optimizations, baseline prisma migrations, and update technical audit docs

security: restrict CORS, enforce secrets validation, fix internal forwarding header

feat: complete final technical debt polishing (structured logs, stripe tests, and automated migrations)

feat: implement organization-specific API keys and tenant-aware webhooks (Phase 2)

fix: resolve api build errors and multi-tenant unique key constraints

feat: B2B SaaS Multi-tenant architecture & Tech Debt Resolution

chore: stabilize whatsapp-worker with strict typing and multi-tenant hardening

fix: stabilize API build by correcting Prisma naming and unused imports

feat: finalize multi-tenant WhatsApp architecture for Meta Tech Provider review