From c4daf7f692d0daa8cca9b04ad40e3306c23cb058 Mon Sep 17 00:00:00 2001
From: Paul Koudelka <paulk.business@posteo.com>
Date: Thu, 9 Apr 2026 15:32:20 +0200
Subject: [PATCH] validation

---
 .../Tools/Validation/FileExtensionValidation.cs           | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs b/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs
index d38a8c08..efecce3d 100644
--- a/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs	
+++ b/app/MindWork AI Studio/Tools/Validation/FileExtensionValidation.cs	
@@ -103,7 +103,13 @@ public static class FileExtensionValidation
             return false;
         }
 
-        return true;
+        if (FileTypes.IsAllowedPath(filePath, FileTypes.DOCUMENT))
+            return true;
+
+        await MessageBus.INSTANCE.SendWarning(new(
+            Icons.Material.Filled.InsertDriveFile,
+            TB("Unsupported file type")));
+        return false;
     }
 
     /// <summary>