Implement Undo/Redo functionality#6

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ExplosBlue wants to merge 32 commits intomainfrom

Commits on Feb 16, 2026

refactor: add Emitter/EmitterSet getters to PtclRes
ExplosBlue
committed

Commits on Feb 19, 2026

refactor: Begin migrating widgets to use shared document & selection models
ExplosBlue
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Commits on Feb 21, 2026

feat(ui): implement undo/redo for Emitter basicProperties
ExplosBlue
committed

Commits on Mar 5, 2026

feat(ui): implement undo/redo for Emitter gravityProperties
ExplosBlue
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Commits on Mar 9, 2026

Commits on Mar 10, 2026

feat(ui): implement undo/redo for Emitter alphaProperties
ExplosBlue
committed

Commits on Mar 11, 2026

feat(ui): implement undo/redo for Emitter combinerProperties
ExplosBlue
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Commits on Mar 12, 2026

feat(ui): implement undo/redo for Emitter colorProperties
ExplosBlue
committed

Commits on Mar 13, 2026

feat(ui): implement undo/redo for Emitter textureProperties
ExplosBlue
committed

Commits on Mar 18, 2026

refactor: rework inspector to use multiple tab widgets
ExplosBlue
committed

Commits on Mar 19, 2026