fix(crm): normalize Excel column names before bulk contact upload

fix(clients): resolve file import dialog error and SSE 401

feat: agentic platform — text-to-sql, pedagogy advisor, security hardening & performance

feat(crm-ux): tag management, unread badge, handoff release UI

feat(admin): UX non-tech complète + i18n 4 langues

feat(billing): complete billing system, push notifications, and tech debt fixes

fix(admin): sidebar active states, responsive mobile drawer, correct nav labels

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

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

feat: backlog P0→P3 — toast system, payments, tenant isolation, feedback handler, i18n parity

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

chore: stabilization, audit fixes and project synchronization

feat: implement bulk whatsapp campaigns with BullMQ and modular activation refactor (isCrmActive/isEdTechActive)

feat(crm): optimize multimedia pipeline and harden contact schema

feat: implement inbound audio/image transcription, secure media proxy, and client-side bulk contact import

feat: implement RoleGuard for centralized authorization

style: standardize frontend imports using @/ alias

refactor: extract shell and sidebar to MainLayout

feat: implement premium animated smart chips in CRM Dashboard chat UI

chore: CRM stabilization sprint completion

feat: push notifications, CRM analytics, Fastify v5 upgrades, schema updates

fix: resolve frontend API export and remove node-fetch dependency

feat: finalize Embedded Signup flow and add webhook simulator

feat: Premium Onboarding with Meta SDK and Technical Debt resolution