- Resolve plugin.json conflict: keep version 2.1.2, update to 12 skills - Resolve CLAUDE.md conflict: merge detailed tool docs with new skills - Improve changelog_generator.py: add --stdin, --demo modes, graceful error when git unavailable, support scoped prefixes (feat(scope):) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>