[RFC-0007] Implement Semantic domain

[copyleftdev]

TASK-007: Implement Semantic domain

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

Description

Create Embedding, SemanticSummary. Handle 2 semantic 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