All US-001..US-005 passes: true; progress.txt has Codebase Patterns + per-story entries + STATUS: COMPLETE sentinel. /delegate execution of tasks/karpathy-llm-wiki/prd.json is finished. Refs #350. PR #351 ready for human review (transition to ready via gh pr ready 351 + /ci-status). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>