Python CLI Application with Click

Create a CLI application for: [DESCRIBE YOUR CLI TOOL]

Features needed:
- Commands: [LIST COMMANDS AND SUBCOMMANDS]
- Options: [LIST OPTIONS/FLAGS]
- Arguments: [LIST ARGUMENTS]
- Configuration: [FILE-BASED/ENV VARS]

Provide using Click (or argparse):
1. Main entry point structure
2. Command groups and subcommands
3. Options with validation
4. Arguments with types
5. Help text and documentation
6. Progress bars for long operations
7. Colored output
8. Interactive prompts
9. Configuration file loading
10. Environment variable support
11. Shell completion
12. Error handling and exit codes
13. Testing CLI commands
14. Package entry point setup