Document version recording Describe the VERSION file, what each trial records, the collection-time warning, and how analysis treats campaigns that mix WfTune versions, including --allow-version-drift. Add the fixture's --wftune-version option, the unit tests, and tests/ to the repository layout. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Add WfTune usage guides and wiki navigation