# Config Package Progress Checklist

## Planning & Design
- [x] Create design plan document
- [x] Get design approval
- [x] Set up package structure

## Core Implementation
- [x] Create package pyproject.toml
- [x] Implement Config class with basic storage
- [x] Implement type/name-based accessors
- [x] Implement atomic config validation

## File Loading
- [x] Implement YAML file loading
- [x] Implement JSON file loading
- [x] Implement dictionary initialization
- [x] Implement @-prefixed file references

## String Reference System
- [x] Implement xref parsing
- [x] Implement reference resolution
- [x] Implement reference building
- [x] Support cross-references in configs

## Environment Variables
- [x] Design bash-compatible naming scheme
- [x] Implement override detection
- [x] Implement override application
- [x] Handle type conversions

## Global Settings & Defaults
- [x] Implement settings section handling
- [x] Implement config_root management
- [x] Implement path resolution
- [x] Implement precedence rules
- [x] Implement type-specific defaults

## Object Construction (Optional)
- [x] Implement class-based construction
- [x] Implement factory pattern support
- [x] Implement object caching
- [x] Create builder interfaces

## Testing
- [x] Write unit tests for Config class
- [x] Write tests for file loading
- [x] Write tests for references
- [x] Write tests for environment overrides
- [x] Write tests for path resolution
- [x] Write tests for object construction
- [x] Write integration tests

## Documentation
- [x] Create README.md
- [x] Document API reference
- [x] Create usage examples
- [x] Document design decisions

## Quality Assurance
- [x] Run linting
- [x] Run type checking
- [x] Achieve test coverage >90% (91% achieved)
- [x] Review code for DRY principle
- [x] Review for simplicity

## Release Preparation
- [x] Update version (0.1.0 - initial release)
- [x] Update changelog
- [x] Final review