Wall3D.tsx

import { useMemo } from 'react';
import * as THREE from 'three';
import { Edges } from '@react-three/drei';
import type { ThreeEvent } from '@react-three/fiber';
import { wallLength, wallOpeningRects } from '../../scene/geometry';
import type { Opening, Wall } from '../../scene/schema';
import { describeWall, SELECTED_COLOR, type Selected3D } from '../../scene/describe';
import type { UnitSystem } from '../../scene/units';

type Props = {
  wall: Wall;
  openings: Opening[];
  units: UnitSystem;
  selectedId: string | null;
  onSelect: (sel: Selected3D | null) => void;
};

const EPS = 0.001;

/**