harness-floor

Cost-unrestricted patterns: /visual-qa (visual regression + LLM analysis via Playwright MCP) and /wiki — a self-auditing project knowledge base in .wiki/ (Karpathy LLM-Wiki pattern): INDEX.md router, provenance-graded pages (A/B/C), contradiction preservation, and a 'compile' self-audit gate (diff=0); SessionStart digest prints wiki status on open