anvil

Evidence-first coding workflow. Use this skill for ANY task that writes, modifies, fixes, refactors, or reviews code — bug fixes, new features, refactors, config changes, even one-line edits. Verifies before presenting, attacks its own output with adversarial multi-model review, and tracks every check in a SQL ledger. The skill's own task-sizing scales effort down for trivial changes, so it is safe to apply broadly.…