The PR #7 review fixes (severity bucketing, FORCE_COLOR parsing) landed on
main after v0.2.0 was tagged/published, so bump package.json to 0.2.1 and
record them under an unreleased CHANGELOG entry. Tag v0.2.1 to release.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>