Multi url download, AI generated but human inspected.

StabilityMatrix.Avalonia/DesignData/DesignData.cs

@@ -502,6 +502,9 @@ public static void Initialize()
     public static HuggingFacePageViewModel HuggingFacePageViewModel =>
         Services.GetRequiredService<HuggingFacePageViewModel>();
 
+    public static DirectUrlImportViewModel DirectUrlImportViewModel =>
+        Services.GetRequiredService<DirectUrlImportViewModel>();
+
     public static NewOneClickInstallViewModel NewOneClickInstallViewModel =>
         Services.GetRequiredService<NewOneClickInstallViewModel>();
 

StabilityMatrix.Avalonia/Services/ModelImportService.cs

@@ -319,10 +319,19 @@ await notificationService.TryAsync(
             cleanupFilePaths.Add(previewImageDownloadPath);
         }
 
-        // Create tracked download
-        // todo: support multiple uris
-        var modelUri = modelUris.First();
-        var download = trackedDownloadService.NewDownload(modelUri, downloadPath);
+        // Create tracked download with first URL, storing others as fallbacks
+        // If download fails, the TrackedDownloadService will attempt to use fallback URLs
+        var uriList = modelUris.ToList();
+        var primaryUri = uriList.First();
+        var fallbackUris = uriList.Skip(1).ToList();
+
+        var download = trackedDownloadService.NewDownload(primaryUri, downloadPath);
+
+        // Store fallback URLs for retry attempts
+        if (fallbackUris.Count > 0)
+        {
+            download.FallbackUris = fallbackUris;
+        }
 
         // Add hash info
         // download.ExpectedHashSha256 = modelFile.Hashes.SHA256;