[BrushGraph 3/7] Add ViewModel and state management#62
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This pull request introduces the BrushGraphViewModel and TutorialManager to handle the logic for a brush graph editor, including node/edge management, tutorial progression, and brush palette persistence. Feedback focuses on optimizing the brush StateFlow to prevent unnecessary re-calculations during UI interactions, improving encapsulation by making internal dependencies private, and removing unused parameters. Additionally, the reviewer suggested replacing println with proper Android logging and simplifying the palette API by removing redundant parameters.
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cka-dev
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Apr 30, 2026
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Description
This is the third PR in the Brush Graph stack. It introduces the state management layer that bridges the data layer with the upcoming UI.
Details
BrushGraphUiState: Holds the current graph, selected nodes, camera position, and tutorial state.TutorialManager, listens to user actions (like adding a node) and advances the tutorial state automatically.Dependencies
brush-graph/2-persistence