- Implement global, shadows, midtones, and highlights zones for color correction
- Add brightness, contrast, saturation, vibrance, and gamma controls per zone
- Include temperature and tint adjustments with improved hue adjustment range
- Introduce soft brush drawing feature with adjustable softness
- Enhance draw tool with improved cursor feedback and eraser functionality
- Optimize performance with requestAnimationFrame for certain interactions
- Refactor color correction widget synchronization and reset logic