diff --git a/backend/src/TeleWave.Api/Endpoints/MaintenanceEndpoints.cs b/backend/src/TeleWave.Api/Endpoints/MaintenanceEndpoints.cs
new file mode 100644
index 0000000..a7ffaa9
--- /dev/null
+++ b/backend/src/TeleWave.Api/Endpoints/MaintenanceEndpoints.cs
@@ -0,0 +1,46 @@
+using LiteCqrs;
+using TeleWave.Api.Common;
+using TeleWave.Application.Maintenance.ClearAllMedia;
+using TeleWave.Application.Maintenance.DeleteAllShows;
+using TeleWave.Application.Maintenance.DeleteShowMedia;
+using TeleWave.Infrastructure.Identity;
+
+namespace TeleWave.Api.Endpoints;
+
+public static class MaintenanceEndpoints
+{
+    public static IEndpointRouteBuilder MapMaintenanceEndpoints(this IEndpointRouteBuilder app)
+    {
+        var admin = app.MapGroup("/api/admin/maintenance")
+            .WithTags("Admin.Maintenance")
+            .RequireAuthorization(policy => policy.RequireRole(RoleNames.Admin));
+
+        admin.MapPost("/clear-media", ClearMedia).Produces<int>();
+        admin.MapPost("/clear-shows", ClearShows).Produces<int>();
+        admin.MapPost("/shows/{showId:guid}/clear-media", ClearShowMedia).Produces<int>();
+
+        return app;
+    }
+
+    private static async Task<IResult> ClearMedia(ISender sender, CancellationToken cancellationToken)
+    {
+        var result = await sender.Send(new ClearAllMediaCommand(), cancellationToken);
+        return result.ToHttpResult();
+    }
+
+    private static async Task<IResult> ClearShows(ISender sender, CancellationToken cancellationToken)
+    {
+        var result = await sender.Send(new DeleteAllShowsCommand(), cancellationToken);
+        return result.ToHttpResult();
+    }
+
+    private static async Task<IResult> ClearShowMedia(
+        Guid showId,
+        ISender sender,
+        CancellationToken cancellationToken
+    )
+    {
+        var result = await sender.Send(new DeleteShowMediaCommand(showId), cancellationToken);
+        return result.ToHttpResult();
+    }
+}
diff --git a/backend/src/TeleWave.Api/Program.cs b/backend/src/TeleWave.Api/Program.cs
index 0f41e3d..1f821d9 100644
--- a/backend/src/TeleWave.Api/Program.cs
+++ b/backend/src/TeleWave.Api/Program.cs
@@ -116,6 +116,7 @@ app.MapMediaEndpoints();
 app.MapShowEndpoints();
 app.MapChannelEndpoints();
 app.MapStreamingEndpoints();
+app.MapMaintenanceEndpoints();
 
 // Раздача статики SPA из wwwroot + fallback на index.html для клиентских маршрутов.
 app.UseDefaultFiles();
diff --git a/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommand.cs b/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommand.cs
new file mode 100644
index 0000000..1009cb8
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommand.cs
@@ -0,0 +1,7 @@
+using LiteCqrs;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Maintenance.ClearAllMedia;
+
+/// <summary>Удаляет ВСЕ медиа-ассеты (строки + файлы) и связанное расписание. Опасная операция.</summary>
+public sealed record ClearAllMediaCommand : ICommand<Result<int>>;
diff --git a/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommandHandler.cs b/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommandHandler.cs
new file mode 100644
index 0000000..ded58f3
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/ClearAllMedia/ClearAllMediaCommandHandler.cs
@@ -0,0 +1,29 @@
+using LiteCqrs;
+using Microsoft.EntityFrameworkCore;
+using TeleWave.Application.Common.Interfaces;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Maintenance.ClearAllMedia;
+
+public sealed class ClearAllMediaCommandHandler(IAppDbContext dbContext, IMediaStorage storage)
+    : ICommandHandler<ClearAllMediaCommand, Result<int>>
+{
+    public async Task<Result<int>> Handle(
+        ClearAllMediaCommand command,
+        CancellationToken cancellationToken
+    )
+    {
+        var assets = await dbContext.MediaAssets
+            .Select(a => new { a.Id, a.OriginalExtension })
+            .ToListAsync(cancellationToken);
+
+        foreach (var asset in assets)
+            storage.DeleteAssetArtifacts(asset.Id, asset.OriginalExtension);
+
+        // Расписание ссылается на удаляемые ассеты — чистим его тоже.
+        await dbContext.ScheduleEntries.ExecuteDeleteAsync(cancellationToken);
+        var deleted = await dbContext.MediaAssets.ExecuteDeleteAsync(cancellationToken);
+
+        return Result.Success(deleted);
+    }
+}
diff --git a/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommand.cs b/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommand.cs
new file mode 100644
index 0000000..b0e5017
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommand.cs
@@ -0,0 +1,7 @@
+using LiteCqrs;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Maintenance.DeleteAllShows;
+
+/// <summary>Удаляет ВСЕ шоу (с сериями через каскад). Медиа-ассеты остаются в библиотеке.</summary>
+public sealed record DeleteAllShowsCommand : ICommand<Result<int>>;
diff --git a/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommandHandler.cs b/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommandHandler.cs
new file mode 100644
index 0000000..1085ee5
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/DeleteAllShows/DeleteAllShowsCommandHandler.cs
@@ -0,0 +1,20 @@
+using LiteCqrs;
+using Microsoft.EntityFrameworkCore;
+using TeleWave.Application.Common.Interfaces;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Maintenance.DeleteAllShows;
+
+public sealed class DeleteAllShowsCommandHandler(IAppDbContext dbContext)
+    : ICommandHandler<DeleteAllShowsCommand, Result<int>>
+{
+    public async Task<Result<int>> Handle(
+        DeleteAllShowsCommand command,
+        CancellationToken cancellationToken
+    )
+    {
+        // Серии удаляются каскадом (FK Show → ShowEpisode: OnDelete Cascade).
+        var deleted = await dbContext.Shows.ExecuteDeleteAsync(cancellationToken);
+        return Result.Success(deleted);
+    }
+}
diff --git a/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommand.cs b/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommand.cs
new file mode 100644
index 0000000..0b2f779
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommand.cs
@@ -0,0 +1,7 @@
+using LiteCqrs;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Maintenance.DeleteShowMedia;
+
+/// <summary>Удаляет медиа-ассеты (файлы + строки) всех серий указанного шоу и очищает его серии.</summary>
+public sealed record DeleteShowMediaCommand(Guid ShowId) : ICommand<Result<int>>;
diff --git a/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommandHandler.cs b/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommandHandler.cs
new file mode 100644
index 0000000..b632494
--- /dev/null
+++ b/backend/src/TeleWave.Application/Maintenance/DeleteShowMedia/DeleteShowMediaCommandHandler.cs
@@ -0,0 +1,47 @@
+using LiteCqrs;
+using Microsoft.EntityFrameworkCore;
+using TeleWave.Application.Common.Interfaces;
+using TeleWave.Application.Common.Models;
+using TeleWave.Application.Library;
+
+namespace TeleWave.Application.Maintenance.DeleteShowMedia;
+
+public sealed class DeleteShowMediaCommandHandler(IAppDbContext dbContext, IMediaStorage storage)
+    : ICommandHandler<DeleteShowMediaCommand, Result<int>>
+{
+    public async Task<Result<int>> Handle(
+        DeleteShowMediaCommand command,
+        CancellationToken cancellationToken
+    )
+    {
+        var show = await dbContext.Shows
+            .Include(s => s.Episodes)
+            .FirstOrDefaultAsync(s => s.Id == command.ShowId, cancellationToken);
+        if (show is null)
+            return Result.Failure<int>(ShowErrors.NotFound);
+
+        var episodes = show.Episodes.ToList();
+        var assetIds = episodes.Select(e => e.MediaAssetId).Distinct().ToList();
+
+        var assets = await dbContext.MediaAssets
+            .Where(a => assetIds.Contains(a.Id))
+            .Select(a => new { a.Id, a.OriginalExtension })
+            .ToListAsync(cancellationToken);
+
+        foreach (var asset in assets)
+            storage.DeleteAssetArtifacts(asset.Id, asset.OriginalExtension);
+
+        await dbContext.ScheduleEntries
+            .Where(e => assetIds.Contains(e.MediaAssetId))
+            .ExecuteDeleteAsync(cancellationToken);
+        await dbContext.MediaAssets
+            .Where(a => assetIds.Contains(a.Id))
+            .ExecuteDeleteAsync(cancellationToken);
+
+        // Серии шоу теперь указывают на удалённые ассеты — убираем их (сохранится через UnitOfWork).
+        foreach (var episode in episodes)
+            show.RemoveEpisode(episode.Id);
+
+        return Result.Success(assets.Count);
+    }
+}
diff --git a/backend/src/TeleWave.Application/Media/MediaErrors.cs b/backend/src/TeleWave.Application/Media/MediaErrors.cs
index a2d3d45..ebaa324 100644
--- a/backend/src/TeleWave.Application/Media/MediaErrors.cs
+++ b/backend/src/TeleWave.Application/Media/MediaErrors.cs
@@ -33,4 +33,9 @@ public static class MediaErrors
         "Media.SourceNotFound",
         "Исходный файл не найден в хранилище."
     );
+
+    public static readonly Error DuplicateFileName = Error.Conflict(
+        "Media.DuplicateFileName",
+        "Файл с таким именем уже загружен."
+    );
 }
diff --git a/backend/src/TeleWave.Application/Media/Register/RegisterMediaAssetCommandHandler.cs b/backend/src/TeleWave.Application/Media/Register/RegisterMediaAssetCommandHandler.cs
index 4427cc9..1ebc6e6 100644
--- a/backend/src/TeleWave.Application/Media/Register/RegisterMediaAssetCommandHandler.cs
+++ b/backend/src/TeleWave.Application/Media/Register/RegisterMediaAssetCommandHandler.cs
@@ -1,4 +1,5 @@
 using LiteCqrs;
+using Microsoft.EntityFrameworkCore;
 using TeleWave.Application.Common.Interfaces;
 using TeleWave.Application.Common.Models;
 using TeleWave.Domain.Media;
@@ -15,6 +16,16 @@ public sealed class RegisterMediaAssetCommandHandler(
         CancellationToken cancellationToken
     )
     {
+        // Дедуп по имени: тот же файл уже в библиотеке (кроме проваленных — их разрешаем перезалить).
+        var duplicate = await dbContext.MediaAssets.AnyAsync(
+            x =>
+                x.OriginalFileName == command.OriginalFileName
+                && x.Status != MediaAssetStatus.Failed,
+            cancellationToken
+        );
+        if (duplicate)
+            return Result.Failure<Guid>(MediaErrors.DuplicateFileName);
+
         var extension = Path.GetExtension(command.OriginalFileName).ToLowerInvariant();
         var asset = MediaAsset.Register(command.OriginalFileName, extension, command.Source);
 
diff --git a/frontend/src/features/admin/maintenance/MaintenancePanel.tsx b/frontend/src/features/admin/maintenance/MaintenancePanel.tsx
new file mode 100644
index 0000000..e54c1a4
--- /dev/null
+++ b/frontend/src/features/admin/maintenance/MaintenancePanel.tsx
@@ -0,0 +1,132 @@
+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
+import { useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { AlertTriangle } from 'lucide-react'
+import { HttpError } from '@/shared/api/client'
+import { Button } from '@/shared/ui/button'
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/shared/ui/card'
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/shared/ui/select'
+import { toast } from '@/shared/ui/toast-store'
+import { listShows } from '@/features/admin/shows/api'
+import { clearAllMedia, deleteAllShows, deleteShowMedia } from './api'
+
+export function MaintenancePanel() {
+  const { t } = useTranslation()
+  const queryClient = useQueryClient()
+  const [showId, setShowId] = useState('')
+
+  const { data: shows } = useQuery({ queryKey: ['admin', 'shows'], queryFn: listShows })
+
+  const onError = (error: unknown) =>
+    toast.error(error instanceof HttpError ? error.detail : t('common.error'))
+
+  // Затрагиваются медиа/шоу/каналы — сбрасываем все связанные кэши.
+  const invalidateAll = () => {
+    for (const key of [['admin', 'media'], ['admin', 'shows'], ['admin', 'channels']])
+      void queryClient.invalidateQueries({ queryKey: key })
+  }
+
+  const clearMedia = useMutation({
+    mutationFn: clearAllMedia,
+    onSuccess: (count) => {
+      toast.success(t('admin.maintenance.doneCount', { count }))
+      invalidateAll()
+    },
+    onError,
+  })
+
+  const clearShows = useMutation({
+    mutationFn: deleteAllShows,
+    onSuccess: (count) => {
+      toast.success(t('admin.maintenance.doneCount', { count }))
+      invalidateAll()
+    },
+    onError,
+  })
+
+  const clearShowMedia = useMutation({
+    mutationFn: () => deleteShowMedia(showId),
+    onSuccess: (count) => {
+      setShowId('')
+      toast.success(t('admin.maintenance.doneCount', { count }))
+      invalidateAll()
+    },
+    onError,
+  })
+
+  const confirmed = (message: string, run: () => void) => {
+    if (window.confirm(message)) run()
+  }
+
+  return (
+    <div className="flex flex-col gap-4">
+      <div className="flex items-center gap-2">
+        <AlertTriangle className="h-5 w-5 text-red-500" />
+        <h2 className="crt-glow text-xl font-semibold">{t('admin.maintenance.title')}</h2>
+      </div>
+      <p className="text-sm text-muted-foreground">{t('admin.maintenance.warning')}</p>
+
+      <Card>
+        <CardHeader>
+          <CardTitle>{t('admin.maintenance.clearMedia')}</CardTitle>
+          <CardDescription>{t('admin.maintenance.clearMediaHint')}</CardDescription>
+        </CardHeader>
+        <CardContent>
+          <Button
+            variant="destructive"
+            disabled={clearMedia.isPending}
+            onClick={() => confirmed(t('admin.maintenance.confirmClearMedia'), () => clearMedia.mutate())}
+          >
+            {t('admin.maintenance.clearMedia')}
+          </Button>
+        </CardContent>
+      </Card>
+
+      <Card>
+        <CardHeader>
+          <CardTitle>{t('admin.maintenance.clearShowMedia')}</CardTitle>
+          <CardDescription>{t('admin.maintenance.clearShowMediaHint')}</CardDescription>
+        </CardHeader>
+        <CardContent className="flex flex-wrap items-center gap-2">
+          <Select value={showId} onValueChange={setShowId}>
+            <SelectTrigger className="max-w-xs">
+              <SelectValue placeholder={t('admin.maintenance.pickShow')} />
+            </SelectTrigger>
+            <SelectContent>
+              {shows?.map((s) => (
+                <SelectItem key={s.id} value={s.id}>
+                  {s.name}
+                </SelectItem>
+              ))}
+            </SelectContent>
+          </Select>
+          <Button
+            variant="destructive"
+            disabled={!showId || clearShowMedia.isPending}
+            onClick={() =>
+              confirmed(t('admin.maintenance.confirmClearShowMedia'), () => clearShowMedia.mutate())
+            }
+          >
+            {t('admin.maintenance.clearShowMedia')}
+          </Button>
+        </CardContent>
+      </Card>
+
+      <Card>
+        <CardHeader>
+          <CardTitle>{t('admin.maintenance.deleteShows')}</CardTitle>
+          <CardDescription>{t('admin.maintenance.deleteShowsHint')}</CardDescription>
+        </CardHeader>
+        <CardContent>
+          <Button
+            variant="destructive"
+            disabled={clearShows.isPending}
+            onClick={() => confirmed(t('admin.maintenance.confirmDeleteShows'), () => clearShows.mutate())}
+          >
+            {t('admin.maintenance.deleteShows')}
+          </Button>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}
diff --git a/frontend/src/features/admin/maintenance/api.ts b/frontend/src/features/admin/maintenance/api.ts
new file mode 100644
index 0000000..5adfd52
--- /dev/null
+++ b/frontend/src/features/admin/maintenance/api.ts
@@ -0,0 +1,13 @@
+import { apiRequest } from '@/shared/api/client'
+
+export function clearAllMedia() {
+  return apiRequest<number>('/admin/maintenance/clear-media', { method: 'POST' })
+}
+
+export function deleteAllShows() {
+  return apiRequest<number>('/admin/maintenance/clear-shows', { method: 'POST' })
+}
+
+export function deleteShowMedia(showId: string) {
+  return apiRequest<number>(`/admin/maintenance/shows/${showId}/clear-media`, { method: 'POST' })
+}
diff --git a/frontend/src/features/admin/media/MediaPanel.tsx b/frontend/src/features/admin/media/MediaPanel.tsx
index 8902ef6..b52a534 100644
--- a/frontend/src/features/admin/media/MediaPanel.tsx
+++ b/frontend/src/features/admin/media/MediaPanel.tsx
@@ -64,15 +64,31 @@ export function MediaPanel() {
   const deleteMutation = useMutation({ mutationFn: deleteMedia, onSuccess: invalidate, onError })
 
   // Массовая загрузка: файлы отправляются по одному (обработка всё равно в очереди по одному),
-  // прогресс — «текущий/всего · %». Список обновляется после каждого файла.
+  // прогресс — «текущий/всего · %». Дубликаты по имени пропускаются заранее (сервер тоже отклонит).
   const handleFiles = async (files: FileList) => {
     const list = Array.from(files)
+
+    let existing = new Set<string>()
+    try {
+      const all = await listMedia({
+        page: 1,
+        pageSize: 1000,
+        statuses: ['Pending', 'Processing', 'Ready'],
+      })
+      existing = new Set(all.items.map((a) => a.originalFileName))
+    } catch {
+      // Не удалось получить список — положимся на серверную проверку дубликатов.
+    }
+
+    const toUpload = list.filter((f) => !existing.has(f.name))
+    const skipped = list.length - toUpload.length
+
     let uploaded = 0
-    for (let i = 0; i < list.length; i++) {
-      setUpload({ current: i + 1, total: list.length, percent: 0 })
+    for (let i = 0; i < toUpload.length; i++) {
+      setUpload({ current: i + 1, total: toUpload.length, percent: 0 })
       try {
-        await uploadMedia(list[i], (percent) =>
-          setUpload({ current: i + 1, total: list.length, percent }),
+        await uploadMedia(toUpload[i], (percent) =>
+          setUpload({ current: i + 1, total: toUpload.length, percent }),
         )
         uploaded++
         invalidate()
@@ -83,6 +99,7 @@ export function MediaPanel() {
     setUpload(null)
     if (fileInput.current) fileInput.current.value = ''
     if (uploaded > 0) toast.success(t('admin.media.uploadedCount', { count: uploaded }))
+    if (skipped > 0) toast.message(t('admin.media.skippedDuplicates', { count: skipped }))
   }
 
   return (
diff --git a/frontend/src/routeTree.gen.ts b/frontend/src/routeTree.gen.ts
index 35b4996..4195c6b 100644
--- a/frontend/src/routeTree.gen.ts
+++ b/frontend/src/routeTree.gen.ts
@@ -17,6 +17,7 @@ import { Route as RegisterRouteImport } from './routes/register'
 import { Route as SettingsRouteImport } from './routes/settings'
 import { Route as AdminIndexRouteImport } from './routes/admin/index'
 import { Route as AdminChannelsRouteImport } from './routes/admin/channels'
+import { Route as AdminMaintenanceRouteImport } from './routes/admin/maintenance'
 import { Route as AdminMediaRouteImport } from './routes/admin/media'
 import { Route as AdminRolesRouteImport } from './routes/admin/roles'
 import { Route as AdminShowsRouteImport } from './routes/admin/shows'
@@ -66,6 +67,11 @@ const AdminChannelsRoute = AdminChannelsRouteImport.update({
   path: '/channels',
   getParentRoute: () => AdminRoute,
 } as any)
+const AdminMaintenanceRoute = AdminMaintenanceRouteImport.update({
+  id: '/maintenance',
+  path: '/maintenance',
+  getParentRoute: () => AdminRoute,
+} as any)
 const AdminMediaRoute = AdminMediaRouteImport.update({
   id: '/media',
   path: '/media',
@@ -115,6 +121,7 @@ export interface FileRoutesByFullPath {
   '/register': typeof RegisterRoute
   '/settings': typeof SettingsRoute
   '/admin/channels': typeof AdminChannelsRouteWithChildren
+  '/admin/maintenance': typeof AdminMaintenanceRoute
   '/admin/media': typeof AdminMediaRoute
   '/admin/roles': typeof AdminRolesRoute
   '/admin/shows': typeof AdminShowsRouteWithChildren
@@ -131,6 +138,7 @@ export interface FileRoutesByTo {
   '/login': typeof LoginRoute
   '/register': typeof RegisterRoute
   '/settings': typeof SettingsRoute
+  '/admin/maintenance': typeof AdminMaintenanceRoute
   '/admin/media': typeof AdminMediaRoute
   '/admin/roles': typeof AdminRolesRoute
   '/admin/users': typeof AdminUsersRoute
@@ -149,6 +157,7 @@ export interface FileRoutesById {
   '/register': typeof RegisterRoute
   '/settings': typeof SettingsRoute
   '/admin/channels': typeof AdminChannelsRouteWithChildren
+  '/admin/maintenance': typeof AdminMaintenanceRoute
   '/admin/media': typeof AdminMediaRoute
   '/admin/roles': typeof AdminRolesRoute
   '/admin/shows': typeof AdminShowsRouteWithChildren
@@ -169,6 +178,7 @@ export interface FileRouteTypes {
     | '/register'
     | '/settings'
     | '/admin/channels'
+    | '/admin/maintenance'
     | '/admin/media'
     | '/admin/roles'
     | '/admin/shows'
@@ -185,6 +195,7 @@ export interface FileRouteTypes {
     | '/login'
     | '/register'
     | '/settings'
+    | '/admin/maintenance'
     | '/admin/media'
     | '/admin/roles'
     | '/admin/users'
@@ -202,6 +213,7 @@ export interface FileRouteTypes {
     | '/register'
     | '/settings'
     | '/admin/channels'
+    | '/admin/maintenance'
     | '/admin/media'
     | '/admin/roles'
     | '/admin/shows'
@@ -280,6 +292,13 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof AdminChannelsRouteImport
       parentRoute: typeof AdminRoute
     }
+    '/admin/maintenance': {
+      id: '/admin/maintenance'
+      path: '/maintenance'
+      fullPath: '/admin/maintenance'
+      preLoaderRoute: typeof AdminMaintenanceRouteImport
+      parentRoute: typeof AdminRoute
+    }
     '/admin/media': {
       id: '/admin/media'
       path: '/media'
@@ -369,6 +388,7 @@ const AdminShowsRouteWithChildren = AdminShowsRoute._addFileChildren(
 
 interface AdminRouteChildren {
   AdminChannelsRoute: typeof AdminChannelsRouteWithChildren
+  AdminMaintenanceRoute: typeof AdminMaintenanceRoute
   AdminMediaRoute: typeof AdminMediaRoute
   AdminRolesRoute: typeof AdminRolesRoute
   AdminShowsRoute: typeof AdminShowsRouteWithChildren
@@ -378,6 +398,7 @@ interface AdminRouteChildren {
 
 const AdminRouteChildren: AdminRouteChildren = {
   AdminChannelsRoute: AdminChannelsRouteWithChildren,
+  AdminMaintenanceRoute: AdminMaintenanceRoute,
   AdminMediaRoute: AdminMediaRoute,
   AdminRolesRoute: AdminRolesRoute,
   AdminShowsRoute: AdminShowsRouteWithChildren,
diff --git a/frontend/src/routes/admin.tsx b/frontend/src/routes/admin.tsx
index ee0476d..142da5d 100644
--- a/frontend/src/routes/admin.tsx
+++ b/frontend/src/routes/admin.tsx
@@ -50,6 +50,13 @@ function AdminLayout() {
         >
           {t('admin.users.title')}
         </Link>
+        <Link
+          to="/admin/maintenance"
+          className={cn('pb-2 uppercase tracking-wide text-muted-foreground hover:text-foreground')}
+          activeProps={{ className: 'border-b-2 border-primary text-primary' }}
+        >
+          {t('admin.maintenance.title')}
+        </Link>
       </nav>
       <Outlet />
     </div>
diff --git a/frontend/src/routes/admin/maintenance.tsx b/frontend/src/routes/admin/maintenance.tsx
new file mode 100644
index 0000000..621c125
--- /dev/null
+++ b/frontend/src/routes/admin/maintenance.tsx
@@ -0,0 +1,4 @@
+import { createFileRoute } from '@tanstack/react-router'
+import { MaintenancePanel } from '@/features/admin/maintenance/MaintenancePanel'
+
+export const Route = createFileRoute('/admin/maintenance')({ component: MaintenancePanel })
diff --git a/frontend/src/shared/lib/i18n.ts b/frontend/src/shared/lib/i18n.ts
index ad6839c..ad836dc 100644
--- a/frontend/src/shared/lib/i18n.ts
+++ b/frontend/src/shared/lib/i18n.ts
@@ -106,6 +106,7 @@ const resources = {
           upload: 'Загрузить',
           uploaded: 'Файл загружен, идёт обработка',
           uploadedCount: 'Загружено файлов: {{count}}',
+          skippedDuplicates: 'Пропущено дубликатов: {{count}}',
           filterActive: 'Активные',
           filterAll: 'Все',
           name: 'Файл',
@@ -176,6 +177,21 @@ const resources = {
           schedule: 'Расписание (12 ч)',
           noSchedule: 'Расписание ещё не построено — нажмите «Пересобрать»',
         },
+        maintenance: {
+          title: 'Обслуживание',
+          warning: 'Операции необратимы — удаляют данные и файлы навсегда.',
+          clearMedia: 'Очистить все медиа',
+          clearMediaHint: 'Удалит все загруженные файлы и их нарезку, а также расписание каналов.',
+          confirmClearMedia: 'Удалить ВСЕ медиа-файлы безвозвратно?',
+          clearShowMedia: 'Удалить медиа шоу',
+          clearShowMediaHint: 'Удалит файлы всех серий выбранного шоу и очистит его серии.',
+          confirmClearShowMedia: 'Удалить все медиа выбранного шоу безвозвратно?',
+          pickShow: 'Выберите шоу',
+          deleteShows: 'Удалить все шоу',
+          deleteShowsHint: 'Удалит все шоу и их серии. Медиа-файлы останутся в библиотеке.',
+          confirmDeleteShows: 'Удалить ВСЕ шоу безвозвратно?',
+          doneCount: 'Удалено: {{count}}',
+        },
       },
     },
   },
@@ -283,6 +299,7 @@ const resources = {
           upload: 'Upload',
           uploaded: 'File uploaded, processing started',
           uploadedCount: 'Uploaded files: {{count}}',
+          skippedDuplicates: 'Skipped duplicates: {{count}}',
           filterActive: 'Active',
           filterAll: 'All',
           name: 'File',
@@ -353,6 +370,21 @@ const resources = {
           schedule: 'Schedule (12h)',
           noSchedule: 'Schedule not built yet — click “Rebuild”',
         },
+        maintenance: {
+          title: 'Maintenance',
+          warning: 'These actions are irreversible — data and files are deleted permanently.',
+          clearMedia: 'Clear all media',
+          clearMediaHint: 'Deletes all uploaded files and their segments, plus channel schedules.',
+          confirmClearMedia: 'Permanently delete ALL media files?',
+          clearShowMedia: 'Delete show media',
+          clearShowMediaHint: "Deletes files of the selected show's episodes and clears its episodes.",
+          confirmClearShowMedia: 'Permanently delete all media of the selected show?',
+          pickShow: 'Pick a show',
+          deleteShows: 'Delete all shows',
+          deleteShowsHint: 'Deletes all shows and their episodes. Media files stay in the library.',
+          confirmDeleteShows: 'Permanently delete ALL shows?',
+          doneCount: 'Deleted: {{count}}',
+        },
       },
     },
   },