Refactor floor management APIs: implement getFloorsApi, deleteFloorApi, and upsertFloorApi for enhanced floor data handling. Update FloorCreator for improved point snapping and floor creation logic. Modify ReferencePoint to include UUID and user data. Adjust usePointSnapping to handle temporary points more effectively.

app/src/modules/builder/point/reference/referencePoint.tsx

@@ -30,6 +30,8 @@ function ReferencePoint({ point }: { readonly point: Point }) {
         <mesh
             position={new THREE.Vector3(...point.position)}
             name={pointName}
+            uuid={point.pointUuid}
+            userData={point}
         >
             <boxGeometry args={boxScale} />
             <shaderMaterial