[RFC-0007] Implement Outreach domain

[copyleftdev]

TASK-012: Implement Outreach domain

RFC: RFC-0007 - Domain Model
Component: Outreach Domain
Estimate: xl

Description

Create OutreachCampaign, Message, Conversation, Meeting. Handle 16 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-003