docs: update changelog for v0.1.8 release

Amolith created

Assisted-by: Claude Sonnet 4.5 via Crush

Change summary

CHANGELOG.md | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

Detailed changes

CHANGELOG.md 🔗

@@ -4,7 +4,17 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## [Unreleased]
+## [0.1.8] - 2025-11-30
+
+### Added
+
+- New 'graduate' option to promote pre-release versions to stable releases
+- Comprehensive changelog in CHANGELOG.md tracking all prior releases
+
+### Changed
+
+- Simplified release workflow with streamlined version bumping logic
+- Update README to reference the new changelog file
 
 ## [0.1.8-alpha.0] - 2025-11-12