frontend/src/store/useGraphStore.js

import { create } from 'zustand';

export const useGraphStore = create((set) => ({
  selectedNode: null,
  selectedWorkflow: null,
  highlightedNodes: [],
  graphMode: 'architecture',
  setSelectedNode: (node) => set({ selectedNode: node }),
  setSelectedWorkflow: (workflow) => set({ selectedWorkflow: workflow }),
  setHighlightedNodes: (nodes) => set({ highlightedNodes: nodes }),
  setGraphMode: (mode) => set({ graphMode: mode }),
}));