Parallel subagent audit (2026-06-28) identified four categories of defects: - requirements.txt broken for ComfyUI Manager install - FormatString: no debounce, clears connections, ID mismatch, class mutation - RandomChoice/CircuitBreaker correctness bugs - Stale metadata and dead code throughout Epic captures 15 success criteria across installation, UX, and correctness. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>