Create Event Handlers

Sets up RabbitMQ event publishers and consumers following ModuleImplementationGuide.md Section 9.

Tenant-only: Events use tenantId only for tenant context. Do not include organizationId in event payloads or in createBaseEvent; use tenantId only.

Event Naming Convention

Reference: ModuleImplementationGuide.md Section 9.1

Format: {domain}.{entity}.{action}

✅ Correct:

• user.created
• auth.login.success
• notification.email.sent
• secret.rotated