Add doctor command with Claude-powered analysis
Implements `monopam doctor` for workspace health analysis:
- Checks local sync status (monorepo vs checkouts)
- Checks remote sync status (checkouts vs upstream)
- Analyzes fork relationships with verse members
- Uses Claude AI to categorize and prioritize verse commits
- Generates actionable recommendations
Features:
- Commit categorization: security-fix, bug-fix, feature, refactor, docs, test
- Priority levels: critical, high, medium, low
- Recommendations: merge-now, review-first, skip, needs-discussion
- Conflict risk assessment
Output formats:
- Human-readable text with colors (default)
- JSON output with --json flag
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>