- Move intent imports to TYPE_CHECKING block in graph.py (TC001) - Rename test classes to CapWords convention (N801) - Fix line length violations across test files (E501) - Auto-fix import sorting (I001)
18 integration tests validating all 7 Phase 2 checkpoint criteria: 1. Order query routes to order_lookup agent 2. Multi-intent classification with routing hint injection 3. Ambiguous message triggers clarification prompt 4. 30-min interrupt TTL auto-cancel with retry prompt 5. Webhook POST escalation with retry on failure 6. E-commerce template loads 4 correctly configured agents 7. Coverage at 92.60% (188 tests total)
