Add two new checks to verify Claude Code integration:
- CheckBdInPath: verifies 'bd' is in PATH (needed for hooks)
- CheckDocumentationBdPrimeReference: checks if docs reference 'bd prime'
and verifies the command exists (detects version mismatches)
Closes bd-o78
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
