Release v2.5.0: JSON-Based Track Configuration System Major new features: - JSON-based track configuration system for customizing appearance - XYPlotRenderer as default for multiquantitative tracks - Lighter color schemes for better readability - Configurable renderer types and color palettes - Assembly and category-specific configuration overrides - Command-line integration with --track-config parameter - Complete backward compatibility with existing workflows - Fixed --version command display New files: - track_config.json: Default configuration with user-requested settings - track_config_manager.py: Configuration management system - docs/track-configuration.md: Complete user guide - docs/api-reference.md: API documentation - VERSION_2.5.0_SUMMARY.md: Release summary Addresses user requests for: - XYPlotRenderer for multiquantitative tracks - Lighter default colors (#87CEEB Sky Blue, etc.) - JSON-configurable track options This release maintains full backward compatibility while adding powerful new customization capabilities through optional JSON configuration.