diff --git a/src/stores/useModelStore.ts b/src/stores/useModelStore.ts
index 00cbfbf..48f3b8d 100644
--- a/src/stores/useModelStore.ts
+++ b/src/stores/useModelStore.ts
@@ -47,6 +47,30 @@ function savePlacement(fileName: string, fineTuning: FineTuning) {
   } catch {}
 }
 
+// ── Visibility (selection-based hide/isolate) persistence ────────────
+const VISIBILITY_KEY = 'tsxr_visibility_v1';
+interface StoredVisibility { hidden: string[]; isolated: string[] | null; }
+function loadVisibilityMap(): Record<string, StoredVisibility> {
+  try {
+    const raw = localStorage.getItem(VISIBILITY_KEY);
+    if (raw) return JSON.parse(raw);
+  } catch {}
+  return {};
+}
+function saveVisibility(fileName: string, hidden: Set<string>, isolated: Set<string> | null) {
+  try {
+    const all = loadVisibilityMap();
+    all[fileName] = { hidden: [...hidden], isolated: isolated ? [...isolated] : null };
+    localStorage.setItem(VISIBILITY_KEY, JSON.stringify(all));
+  } catch {}
+}
+function loadVisibility(fileName: string): { hidden: Set<string>; isolated: Set<string> | null } {
+  const v = loadVisibilityMap()[fileName];
+  if (!v) return { hidden: new Set(), isolated: null };
+  return { hidden: new Set(v.hidden ?? []), isolated: v.isolated ? new Set(v.isolated) : null };
+}
+
+
 
 export interface ScaleRatio {
   label: string;     // e.g. "1:50", "2:1", "1:1"