전략편집기 병합

frontend/src/utils/strategyEditorModeStorage.ts

@@ -0,0 +1,20 @@
+export type StrategyEditorMode = 'graph' | 'list';
+
+const STORAGE_KEY = 'gc_se_editor_mode';
+
+export function loadEditorMode(): StrategyEditorMode {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    return raw === 'list' ? 'list' : 'graph';
+  } catch {
+    return 'graph';
+  }
+}
+
+export function saveEditorMode(mode: StrategyEditorMode): void {
+  try {
+    localStorage.setItem(STORAGE_KEY, mode);
+  } catch {
+    /* ignore */
+  }
+}