From fb868753d3dda2bd371cd06befcd51bd2c6ce603 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <SommerEngineering@users.noreply.github.com>
Date: Thu, 16 Apr 2026 14:25:25 +0200
Subject: [PATCH] Set default system prompt in `ConvertToChatThread`

---
 app/MindWork AI Studio/Assistants/AssistantBase.razor.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/MindWork AI Studio/Assistants/AssistantBase.razor.cs b/app/MindWork AI Studio/Assistants/AssistantBase.razor.cs
index 8d7e2803..c92d074e 100644
--- a/app/MindWork AI Studio/Assistants/AssistantBase.razor.cs	
+++ b/app/MindWork AI Studio/Assistants/AssistantBase.razor.cs	
@@ -79,7 +79,10 @@ public abstract partial class AssistantBase<TSettings> : AssistantLowerBase wher
     
     protected virtual bool ShowReset => true;
 
-    protected virtual ChatThread ConvertToChatThread => this.chatThread ?? new();
+    protected virtual ChatThread ConvertToChatThread => (this.chatThread ?? new()) with
+    {
+        SystemPrompt = SystemPrompts.DEFAULT,
+    };
 
     private protected virtual RenderFragment? HeaderActions => null;