# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

## [0.1.0] - 2026-07-05

### Added

- Initial release: plane-agnostic structural rule engine. Match a node tree
  against `require`/`forbid`/`unique` path rules, `order` (document-order)
  rules, and `allow` (closed-world) rules; emit diagnostics.
