fix: Bilder und dumme min TImings!

Jellyfin.Plugin.SmartNotify/Services/DiscordNotificationService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Text;
@@ -69,14 +70,11 @@ public class DiscordNotificationService
         var title = $"📺 {seriesName}";
         var description = $"Neue Episoden hinzugefügt:\n{episodeDescription}";
 
-        // Get image from first notification
-        var imageUrl = first.ImageUrl;
-
         await SendDiscordWebhookAsync(
             config,
             title,
             description,
-            imageUrl,
+            first.ImagePath,
             BuildExternalLinks(first.ProviderIdsJson),
             cancellationToken);
     }
@@ -182,7 +180,7 @@ public class DiscordNotificationService
             config,
             title,
             description,
-            notification.ImageUrl,
+            notification.ImagePath,
             BuildExternalLinks(notification.ProviderIdsJson),
             cancellationToken);
     }
@@ -236,13 +234,13 @@ public class DiscordNotificationService
     }
 
     /// <summary>
-    /// Sends the actual Discord webhook request.
+    /// Sends the actual Discord webhook request, with optional image attachment.
     /// </summary>
     private async Task SendDiscordWebhookAsync(
         PluginConfiguration config,
         string title,
         string description,
-        string? imageUrl,
+        string? imagePath,
         string externalLinks,
         CancellationToken cancellationToken)
     {
@@ -253,9 +251,11 @@ public class DiscordNotificationService
             ["color"] = config.EmbedColor
         };
 
-        if (!string.IsNullOrEmpty(imageUrl))
+        // If we have a local image file, reference it as attachment
+        var hasImage = !string.IsNullOrEmpty(imagePath) && File.Exists(imagePath);
+        if (hasImage)
         {
-            embed["thumbnail"] = new Dictionary<string, string> { ["url"] = imageUrl };
+            embed["thumbnail"] = new Dictionary<string, string> { ["url"] = "attachment://poster.jpg" };
         }
 
         if (!string.IsNullOrEmpty(externalLinks))
@@ -277,9 +277,27 @@ public class DiscordNotificationService
         try
         {
             using var client = _httpClientFactory.CreateClient();
-            using var content = new StringContent(json, Encoding.UTF8, "application/json");
+            HttpResponseMessage response;
 
-            var response = await client.PostAsync(config.DiscordWebhookUrl, content, cancellationToken);
+            if (hasImage)
+            {
+                // Send as multipart/form-data with image attachment
+                using var form = new MultipartFormDataContent();
+                form.Add(new StringContent(json, Encoding.UTF8, "application/json"), "payload_json");
+
+                var imageBytes = await File.ReadAllBytesAsync(imagePath!, cancellationToken);
+                var imageContent = new ByteArrayContent(imageBytes);
+                imageContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("image/jpeg");
+                form.Add(imageContent, "files[0]", "poster.jpg");
+
+                response = await client.PostAsync(config.DiscordWebhookUrl, form, cancellationToken);
+            }
+            else
+            {
+                // Send as plain JSON (no image)
+                using var content = new StringContent(json, Encoding.UTF8, "application/json");
+                response = await client.PostAsync(config.DiscordWebhookUrl, content, cancellationToken);
+            }
 
             if (!response.IsSuccessStatusCode)
             {