fix(menu): подсветка родительского пункта на detail-страницах

Refs EventHub/EventHubFrontAdmin#7

Co-authored-by: Cursor <cursoragent@cursor.com>

src/config/adminAccess.ts

@@ -52,3 +52,18 @@ export function filterMenuByRole<T extends { roles?: AdminRole[] }>(
 ): T[] {
     return items.filter((item) => !item.roles || (role && item.roles.includes(role as AdminRole)));
 }
+
+/** Ключ пункта меню для detail-маршрутов (/users/:id → /users). */
+export function getMenuSelectedKey(pathname: string): string {
+    if (MENU_ITEMS.some((item) => item.key === pathname)) {
+        return pathname;
+    }
+    const segment = pathname.split('/').filter(Boolean)[0];
+    if (segment) {
+        const parent = `/${segment}`;
+        if (MENU_ITEMS.some((item) => item.key === parent)) {
+            return parent;
+        }
+    }
+    return pathname;
+}