- 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)
9 tests covering the complete multi-agent routing flow: - Single-intent routing to each agent (order_lookup, order_actions, discount, fallback) - Multi-intent routing hint injection for sequential execution - Ambiguity detection skips graph and returns clarification - Low confidence threshold triggers ambiguity - No-classifier fallback to supervisor prompt routing Fills Phase 2 test requirement for integration-level routing coverage. Total: 197 tests, 92.60% coverage.
