Implement comprehensive database query interface with multiple output formats:
• Add query command for executing read-only SQL queries with security constraints
• Add schema command for database structure inspection
• Add metadata command for file information display
• Support table, JSON, and YAML output formats across all commands
• Implement SQL injection prevention and safety checks
• Add tabulate dependency for enhanced table formatting
• Create 35 comprehensive tests covering all functionality
This delivers the core USP "Relational Document Metadata" by making the
database fully queryable through CLI commands with multiple output formats.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
tegwick
1840d0654d