[RFC-0007] Implement Notification domain

[copyleftdev]

TASK-008: Implement Notification domain

RFC: RFC-0007 - Domain Model
Component: Notification Domain
Estimate: s

Description

Create Notification with channel routing. Handle 2 events.

Acceptance Criteria

• AC-001: All 14 domains implemented
  • Verification: Each domain module exists
• AC-002: All 122 event types mapped
  • Verification: Cross-reference asyncapi.yaml

Dependencies

Depends on: TASK-002