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- Environment audit and stack decision in build/agent_audit.md (Node + Electron shell over dependency-free core; deviation recorded) - Rewrite README/ARCHITECTURE/CONTRIBUTING for StepForge - Add SECURITY.md threat model, CODE_OF_CONDUCT.md, CHANGELOG.md, MPL-2.0 - Replace template grep checks with structural workflow check Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>