Ticket #73 PR #26 Review: pass_audit approved Comprehensive architecture document (/docs/AGENT_ARCHITECTURE.md) - 576 lines. All 7 required sections covered: 1. System overview diagram ✓ 2. Agent Types and Responsibilities ✓ 3. Communication Protocols ✓ 4. Decision-Making Algorithms ✓ 5. State Management ✓ 6. Error Handling and Recovery ✓ 7. Resource Allocation ✓ 8. Learning and Adaptation ✓ Bonus sections: Technology Stack, Implementation Roadmap, File Reference table, MCP Tools table. Cross-verified all claims against actual codebase - accurate.