v0.2.1

Fix GitHub Actions release permission

Add contents: write permission to allow softprops/action-gh-release
to create releases with the GITHUB_TOKEN.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Development Build

Automated build from main branch.

Commit: 2c5122b
Version: dev-18-g2c5122b