🚀 Auto-deploy: melhoria no snap e medição AR em 28/05/2026 21:40:54

src/components/three/XRHudInWorld.tsx

@@ -615,6 +615,9 @@ function GridFloorRow() {
   const setGridAutoFollow = useModelStore((s) => s.setGridAutoFollow);
   const setGridY = useModelStore((s) => s.setGridY);
   const nudgeGridY = useModelStore((s) => s.nudgeGridY);
+  const gridCalibMode = useModelStore((s) => s.gridCalibMode);
+  const setGridCalibMode = useModelStore((s) => s.setGridCalibMode);
+
   const placeAtFloor = () => {
     // Headset eye Y minus avg standing eye height (1.6 m)
     const floor = camera.position.y - 1.6;
@@ -635,6 +638,8 @@ function GridFloorRow() {
         onClick={() => nudgeGridY(0.01)} />
       <XR3DButton position={[0.07, -0.175, 0]} size={[0.075, 0.022]} label="Pousar chão"
         onClick={placeAtFloor} />
+      <XR3DButton position={[0.155, -0.175, 0]} size={[0.075, 0.022]} label={gridCalibMode ? "Calibrando" : "Calibrar"}
+        active={gridCalibMode} onClick={() => setGridCalibMode(!gridCalibMode)} />
     </group>
   );
 }