- Add badge.js module for git remote resolution, README detection, and badge injection
- Integrate badge prompt into install flow with --no-badge opt-out
- Support badge update when owner/repo changes on re-install
- Auto-create README.md with badge if missing
- Pass badge config through Config.build() for both install and quick-update paths
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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