Update

feat & fix: Add polygon move tool, fix memory leaks, and optimize rendering

[Features]
- Added `Shift + Drag` to move entire CellSpace polygons without altering shape.
- Added `Ctrl + S` shortcut for quick project saving.
- Enabled developer log window (F12) by default on startup.

[Performance & Optimization]
- Fixed critical VRAM/Memory leaks by introducing `NativeResourceCleanup` for hidden meshes and materials.
- Implemented Lazy Loading for storey rendering, drastically improving `Undo` speed and large-scale editing performance.
- Reduced max Undo stack steps (10 -> 5) to optimize RAM usage.
- Optimized Save logic by removing heavy validation steps for instant saving.

[Bug Fixes]
- Fixed camera Y-axis altitude synchronization when switching storeys via dropdown.
- Resolved orphan/zombie data issues by ensuring Edge and Duality references are synchronized across all storeys upon ID changes or object deletions.
- Fixed standalone node deletion bug caused by incorrect ID naming conventions.

Author: JacKate

Assets/.gitignore

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+#
+# Get latest from https://github.com/github/gitignore/blob/main/Unity.gitignore
+#
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+# They also could contain extremely sensitive data
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+
+# Recordings can get excessive in size
+/[Rr]ecordings/
+
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+*.unityproj
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+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.mdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+*.mdb.meta
+
+# Unity3D generated file on crash reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.aab
+*.unitypackage
+*.unitypackage.meta
+*.app
+
+# Crashlytics generated file
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+
+# Packed Addressables
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+
+# Temporary auto-generated Android Assets
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