- Create Config struct with serde support for JSON parsing
- Define DisplayConfig for UI toggle options
- Define AlertThresholds for monitoring alerts
- Implement Default trait for sensible defaults
- Add load() method to read config from file
- Support same config format as Python version for compatibility
- Set up basic Cargo project with tracker-rs name
- Initialize source directory with main.rs template
- Establish foundation for Rust rewrite of system tracker
