fix(ImageTo3D): enforce glb format in Meshy API payload

check_scene.cjs

@@ -0,0 +1,12 @@
+const fs = require('fs');
+const fflate = require('fflate');
+
+const zipBuffer = fs.readFileSync('model.titanscene');
+const unzipped = fflate.unzipSync(zipBuffer);
+const sceneData = JSON.parse(new TextDecoder().decode(unzipped['scene.json']));
+console.log('cameraProps:', sceneData.cameraProps);
+console.log('modelData extension:', sceneData.modelData?.extension);
+console.log('sceneObjects length:', sceneData.sceneObjects?.length);
+if (sceneData.sceneObjects?.length > 0) {
+  console.log('Main model transform:', sceneData.sceneObjects[0].transformProps);
+}