feat: complete UI/UX improvements, vuesax icons, media server, and section management

packages/shared/src/admin.ts

@@ -143,6 +143,18 @@ export interface Paginated<T> {
   pageSize: number;
 }
 
+export interface DashboardCategoryStat {
+  id: number;
+  name: string;
+  count: number;
+}
+
+export interface DashboardTrendDay {
+  date: string;
+  dayName: string;
+  messages: number;
+}
+
 export interface DashboardDto {
   categories: number;
   products: number;
@@ -151,4 +163,8 @@ export interface DashboardDto {
   media: number;
   recentMessages: ContactMessageDto[];
   recentActivity: { id: number; action: string; entity: string; summary: string; user: string | null; createdAt: string }[];
+  categoryStats: DashboardCategoryStat[];
+  messageBreakdown: { new: number; read: number; archived: number; total: number };
+  sectionsSummary: { total: number; visible: number; hidden: number };
+  trend: DashboardTrendDay[];
 }