Enhance user and media management with sorting and statistics: add sorting options to user and media listing endpoints, implement media statistics retrieval, and update frontend components for sorting and displaying media processing times. Refactor related query handlers and API types to support new features.

frontend/src/features/admin/roles/RolesPanel.tsx

@@ -18,6 +18,7 @@ import {
 } from '@/shared/ui/dialog'
 import { Input } from '@/shared/ui/input'
 import { Label } from '@/shared/ui/label'
+import { SortHeader, sortRows, useTableSort } from '@/shared/ui/sortable'
 import { toast } from '@/shared/ui/toast-store'
 import { createRole, deleteRole, listRoles, updateRole } from './api'
 
@@ -27,6 +28,11 @@ export function RolesPanel() {
   const { t } = useTranslation()
   const queryClient = useQueryClient()
   const { data: roles, isLoading } = useQuery({ queryKey: ['admin', 'roles'], queryFn: listRoles })
+  const { sort, toggle } = useTableSort('name', false)
+  const sortedRoles = sortRows(roles ?? [], sort, {
+    name: (r) => r.name.toLowerCase(),
+    system: (r) => r.isSystem,
+  })
 
   const invalidate = () => queryClient.invalidateQueries({ queryKey: ['admin', 'roles'] })
 
@@ -97,8 +103,18 @@ export function RolesPanel() {
         <table className="w-full text-sm">
           <thead className="border-b border-border text-left text-muted-foreground">
             <tr>
-              <th className="px-4 py-2 font-medium">{t('admin.roles.name')}</th>
-              <th className="px-4 py-2 font-medium">{t('admin.roles.system')}</th>
+              <SortHeader
+                label={t('admin.roles.name')}
+                sortKey="name"
+                sort={sort}
+                onToggle={toggle}
+              />
+              <SortHeader
+                label={t('admin.roles.system')}
+                sortKey="system"
+                sort={sort}
+                onToggle={toggle}
+              />
               <th className="px-4 py-2 font-medium">{t('common.actions')}</th>
             </tr>
           </thead>
@@ -110,7 +126,7 @@ export function RolesPanel() {
                 </td>
               </tr>
             )}
-            {roles?.map((role) => (
+            {sortedRoles.map((role) => (
               <tr key={role.id} className="border-b border-border last:border-0">
                 <td className="px-4 py-2">{role.name}</td>
                 <td className="px-4 py-2">