diff --git a/src/stores/useModelStore.ts b/src/stores/useModelStore.ts
index 4091758..7bc3c16 100644
--- a/src/stores/useModelStore.ts
+++ b/src/stores/useModelStore.ts
@@ -197,6 +197,9 @@ interface ModelStore {
   clearAllModels: () => void;
   maxModels: number;
 
+  /** Calibração (rotação local) ↔ ViewCube. Aplicada antes do fineTuning rotation. */
+  setCalibration: (id: string, quat: [number, number, number, number] | null) => void;
+
   // ── Legacy single-model accessors (proxy to active) ─────────────
   model: ModelInfo | null;
   setModel: (model: ModelInfo | null) => void;