Updates labels-sync.md to: - Remove [Y/n] prompts that suggested manual confirmation - Clarify that execution is autonomous - Document that labels are fetched dynamically (not from reference file) - Update examples to show actual behavior - Improve troubleshooting for common issues - Add user-owned repo handling documentation Related to #67 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>