esengine/.changeset/node-editor-box-select.md

@esengine/node-editor

@esengine/node-editor
minor

feat(node-editor): add box selection and variable node error states

• Add box selection: drag on empty canvas to select multiple nodes
• Support Ctrl+drag for additive selection (add to existing selection)
• Add error state styling for invalid variable references (red border, warning icon)
• Support dynamic node title via data.displayTitle
• Support hiding inputs via data.hiddenInputs array