# Changelog
## 1.0.0 - 2026-05-11
- Initial release.
- Added workflow command parser for modern `::...::` and legacy `##[...]` syntax.
- Added `add-mask`, `stop-commands`, annotation, group, deprecated-command, and disabled-command validation.
- Added environment-file parser for `GITHUB_ENV`, `GITHUB_OUTPUT`, `GITHUB_STATE`, `GITHUB_PATH`, and `GITHUB_STEP_SUMMARY`.
- Added text, JSON, and Markdown receipts.
- Added CLI modes for command streams, single environment files, and complete step boundaries.