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### TL;DR Refactored the BlockSuite turbo renderer to use a hierarchical tree structure for layouts instead of a flat list, improving rendering accuracy and performance. ### What changed? - Redesigned the layout system to use a tree structure (`ViewportLayoutTree`) that better represents the document hierarchy - Added `blockId` to all layout objects for better tracking and debugging - Updated the layout query mechanism to work with models directly instead of components - Enhanced error handling with more descriptive warnings and error messages - Improved the painting process to traverse the layout tree recursively - Fixed viewport coordinate calculations for more accurate rendering - Updated the worker communication to support the new tree-based layout structure ### Why make this change? The previous flat layout structure didn't properly represent the hierarchical nature of documents, leading to rendering issues with nested blocks. This tree-based approach: 1. Better represents the actual document structure 2. Improves rendering accuracy for nested elements 3. Makes debugging easier with more consistent block identification 4. Provides a more robust foundation for future rendering optimizations 5. Reduces the likelihood of rendering artifacts when scrolling or zooming