Add maintenance management features: implement maintenance endpoints in the API, enhance media upload handling to skip duplicate files, and update frontend routes and translations for maintenance operations.

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();
+    }
+}

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();