Contributing to UndoLog

Document	Contents
CONTRIBUTING.md	Welcome guide: finding issues, workflow, environment, CI expectations
CODE_OF_CONDUCT.md	Contributor Covenant v2.1, community standards and enforcement
Development Setup	Local environment, building, running, troubleshooting
Testing Guide	Running tests, writing tests, property tests, performance tests
Documentation Guide	Diátaxis framework, doc comments, ADRs, changelog
Commit and PR Standards	Commit format, branch naming, PR rules, code review, AI agent rules