/**
 * Generate SVG bezier path between two points (for wires)
 */
export function wirePath(x1, y1, x2, y2) {
  const dx = Math.abs(x2 - x1);
  const cp = Math.max(50, dx * 0.5);
  return `M ${x1} ${y1} C ${x1 + cp} ${y1}, ${x2 - cp} ${y2}, ${x2} ${y2}`;
}