저장팝업 텍스트 색상 수정

frontend/src/utils/indicatorCustomTabsStorage.ts

@@ -0,0 +1,73 @@
+/** 지표 추가 팝업 — 사용자 정의 탭 (localStorage) */
+
+export interface IndicatorCustomTab {
+  id: string;
+  name: string;
+  /** INDICATOR_REGISTRY type 목록 (표시 순서) */
+  indicatorTypes: string[];
+}
+
+const STORAGE_KEY = 'gc-indicator-custom-tabs-v1';
+
+function newId(): string {
+  return `tab-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 7)}`;
+}
+
+export function loadCustomTabs(): IndicatorCustomTab[] {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    if (!raw) return [];
+    const arr = JSON.parse(raw) as unknown;
+    if (!Array.isArray(arr)) return [];
+    return arr.filter(
+      (t): t is IndicatorCustomTab =>
+        t != null
+        && typeof t === 'object'
+        && typeof (t as IndicatorCustomTab).id === 'string'
+        && typeof (t as IndicatorCustomTab).name === 'string'
+        && Array.isArray((t as IndicatorCustomTab).indicatorTypes),
+    );
+  } catch {
+    return [];
+  }
+}
+
+export function saveCustomTabs(tabs: IndicatorCustomTab[]): void {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(tabs));
+}
+
+export function createCustomTab(name: string, indicatorTypes: string[]): IndicatorCustomTab {
+  const tab: IndicatorCustomTab = {
+    id: newId(),
+    name: name.trim(),
+    indicatorTypes: [...new Set(indicatorTypes)],
+  };
+  const tabs = loadCustomTabs();
+  tabs.push(tab);
+  saveCustomTabs(tabs);
+  return tab;
+}
+
+export function updateCustomTab(
+  id: string,
+  patch: Partial<Pick<IndicatorCustomTab, 'name' | 'indicatorTypes'>>,
+): IndicatorCustomTab | null {
+  const tabs = loadCustomTabs();
+  const idx = tabs.findIndex(t => t.id === id);
+  if (idx < 0) return null;
+  const next: IndicatorCustomTab = {
+    ...tabs[idx],
+    ...patch,
+    name: patch.name != null ? patch.name.trim() : tabs[idx].name,
+    indicatorTypes: patch.indicatorTypes != null
+      ? [...new Set(patch.indicatorTypes)]
+      : tabs[idx].indicatorTypes,
+  };
+  tabs[idx] = next;
+  saveCustomTabs(tabs);
+  return next;
+}
+
+export function deleteCustomTab(id: string): void {
+  saveCustomTabs(loadCustomTabs().filter(t => t.id !== id));
+}