횡보컨트롤 배경색 적용

frontend/src/types/uiPreferences.ts

@@ -4,6 +4,7 @@ import type { IndicatorCustomTab } from '../utils/indicatorCustomTabsStorage';
 import type { VirtualCardViewMode, VirtualSessionConfig, VirtualTargetItem } from '../utils/virtualTradingStorage';
 import type { StrategyEditorMode } from '../utils/strategyEditorModeStorage';
 import type { UserStrategyTemplate } from '../utils/strategyTemplateStorage';
+import type { SidewaysFilterPaletteEntry } from '../utils/sidewaysFilterPaletteStorage';
 
 /** gc_app_settings.ui_preferences_json 구조 */
 export interface UiPreferences {
@@ -16,6 +17,7 @@ export interface UiPreferences {
     userTemplates?: UserStrategyTemplate[];
     /** 내장 템플릿 목록에서 숨긴 ID (getBuiltinTemplateId) */
     hiddenBuiltinTemplateIds?: string[];
+    paletteSideways?: SidewaysFilterPaletteEntry[];
   };
   indicator?: {
     customTabs?: IndicatorCustomTab[];