- Properly mock Redis client operations to support add_turn functionality - Set up initial thread contexts so add_turn can find existing threads - Mock Redis set operations to return success - Ensure all Redis-dependent tests use proper mock patterns - All 473 unit tests now pass 100% with proper isolation 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>