diff --git a/src/stores/useModelStore.ts b/src/stores/useModelStore.ts
index b3ce352..f3671fd 100644
--- a/src/stores/useModelStore.ts
+++ b/src/stores/useModelStore.ts
@@ -229,6 +229,11 @@ interface ModelStore {
   addScreenshot: (dataUrl: string) => void;
   removeScreenshot: (index: number) => void;
   clearScreenshots: () => void;
+
+  // ── WebXR feature toggles (diagnóstico do grid de segurança Quest) ────
+  xrFeatures: XRFeatureFlags;
+  setXRFeature: (key: keyof XRFeatureFlags, value: boolean) => void;
+  resetXRFeatures: () => void;
 }
 
 /** Sync top-level legacy `model` / `fineTuning` from active SceneModel. */