Select

Enables Mesh Selection

/**
 * Node that provides interactive triangle selection on a mesh.
 * 
 * Opens a 3D viewport for selecting triangles by painting or
 * picking, creating a selection set for geometry operations.
 * 
 * Usage:
 * 1. Connect mesh input
 * 2. Use viewport to select triangles
 * 3. Output selection for use in geometry nodes
 */