- Convert magic numbers and hardcoded values to module-level constants
- Add comprehensive input validation with detailed error messages
- Improve error handling for file operations and edge cases
- Add proper type checking and validation for model detection
- Create comprehensive test suite for new validation features
- Fix existing tests to match actual implementation
This addresses issue #112 by ensuring substantial code improvements
accompany formatting changes, making the codebase more maintainable
and robust.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
