3b32b4d80c
* Perf: cache label collection, offload .fig compression to worker Label cache: collect sections/components once per scene change, filter by viewport on each frame. Eliminates full tree walk during pan/zoom (~17ms/frame → <1ms on large files). Export worker: move fflate compression off the main thread to prevent frame drops during save (451ms+ → non-blocking). * Perf: worker-based .fig parsing, instance index, non-blocking font loading - Offload .fig parsing (unzip + Kiwi decode) to a Web Worker - Add instance index (componentId → Set<nodeId>) for O(1) getInstances() - Defer graph event subscription during file open to skip redundant syncs - Make font loading non-blocking — render immediately, load fonts in background - Copy image buffers before worker transfer to prevent detached ArrayBuffer crash - Show toast on font load failure and file open errors - Cache failed Google Fonts families to avoid repeated network requests - Fix missing ref import in FillPicker - Yield to UI between parse and layout for responsive loading spinner |
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