- Introduced a modular architecture for data processing, including common utilities for validation, transformation, and aggregation.
- Implemented `StandardizedTrade`, `OHLCVCandle`, and `TimeframeBucket` classes for unified data handling across exchanges.
- Developed `OKXDataProcessor` for OKX-specific data validation and processing, leveraging the new common framework.
- Enhanced `OKXCollector` to utilize the common data processing utilities, improving modularity and maintainability.
- Updated documentation to reflect the new architecture and provide guidance on the data processing framework.
- Created comprehensive tests for the new data processing components to ensure reliability and functionality.
