- New magneticLasso module: Sobel energy map + Dijkstra shortest-path + Douglas-Peucker
- New activeContour module: greedy snake + balloon force for polygon-to-edge refinement
- wallTextureSplit: edge barrier mask, morphological mask hole closing, Moore boundary tracing, simplified polygon contours, manual pick map patching, gap absorption
- MaskSegmentCanvas: full lasso gesture pipeline (tap vertices, drag, magnetic paths, close polygon, endLasso/cancelLasso/deleteLasso)
- New maskConfig options: splitWallsEdgeBarrierThreshold, splitWallsCloseMaskRadius, manualSplitWalls, manualSplitWallsMaxCount, manualSplitWallsGapAbsorbDilatePx, magneticLasso, activeContourRefine
- New ref methods: startLasso, endLasso, cancelLasso, getManualRegions, deleteLasso
- New exported types: LassoPolygon, ManualWallPartition
- RegionMaskData carries indexToName and wallSemanticIdx through downsample
- Simplify README to point to documentation site
- Update documentation site (EN + ZH-CN) with all new APIs and interaction guide
- Example app: lasso mode toggles and operation buttons
Co-authored-by: Cursor <cursoragent@cursor.com>