feat(admin): Control Center redesign, Explore dual-view и полный RU/EN i18n

Refs EventHub/EventHubFrontAdmin#32

src/types/api.ts

@@ -34,7 +34,15 @@ export interface CalendarRankItem {
     id: string;
     title: string;
     rating_avg: number;
-    review_count: number;
+    /** Calendars may expose this; events use rating_count from API */
+    review_count?: number;
+}
+
+export interface EventRankItem {
+    id: string;
+    title: string;
+    rating_avg: number;
+    rating_count?: number;
 }
 
 export interface CalendarStats {
@@ -51,7 +59,7 @@ export interface EventStats {
     total_events: number;
     events_by_type: Record<string, number>;
     events_by_status: Record<string, number>;
-    top_events_by_rating: CalendarRankItem[];
+    top_events_by_rating: EventRankItem[];
 }
 
 export interface UserStats {