feat(auth): add forgot-password/change-password API routes to admin dashboard + wire email delivery
Admin dashboard:
- platform-client.ts: Added forgotPasswordViaService, changePasswordViaService, deleteAccountViaService
- app/api/auth/forgot-password/route.ts: New API route proxying to platform-service
- app/api/auth/change-password/route.ts: New API route for authenticated password change
Platform-service (from prior session):
- auth/routes.ts: Added /auth/change-password and DELETE /auth/account endpoints, wired email verification on register
- auth/types.ts: Added ChangePasswordSchema and DeleteAccountSchema
- delivery/subscribers.ts: Updated password reset subscriber, added email verification subscriber
- delivery/channels/email.ts: Added ByteLyst email API provider (sendViaBytelyst)
- delivery/types.ts: Added 'bytelyst' provider
- events/types.ts: Added resetToken/displayName to user.password_reset, added user.email_verification_requested event