Excellence Review Skill — Grok Harness
God 99 Mandate
- repo-mastery (read all rules files first, map cross-repo)
- CEO/Eng/Design plan reviews (subagent or delegate to claude)
- Adversarial: verification-loop + santa-method (2 independent pass required)
- gstack: qa (tiers quick/standard/exhaustive), browse, design-review, benchmark, canary
- Security: cso / security-auditor + supply chain
- Polish: rules-distill, skill-comply, document-release
Output format: report + before/after + artifacts. Iterate atomically.
Tools: gstack (headless browser ~100ms), terminal (tests), subagents.