Add verbose and progress output to CLI tools

[miabbott]

Improve CLI usability by adding verbose output and progress indicators.

Tasks

• Add -v / --verbose flag for detailed operation logging
• Show progress for large file operations
• Display statistics after completion (files processed, compression ratio, etc.)
• Add --quiet / -q flag to suppress non-error output

Acceptance Criteria

• Verbose mode shows detailed progress
• Statistics displayed on completion
• Quiet mode suppresses all non-error output