From 0d84feb12a0ee0d468db8bb75830f65a81fdbb1f Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Wed, 11 Jun 2025 10:13:26 +0200
Subject: [PATCH] Handle whitespace and add `StringComparison` in validation

---
 app/MindWork AI Studio/Chat/StringExtension.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/MindWork AI Studio/Chat/StringExtension.cs b/app/MindWork AI Studio/Chat/StringExtension.cs
index d229a0b4..21d0c399 100644
--- a/app/MindWork AI Studio/Chat/StringExtension.cs	
+++ b/app/MindWork AI Studio/Chat/StringExtension.cs	
@@ -6,7 +6,7 @@ public static class StringExtensions
     {
         const string OPEN_TAG = "<think>";
         const string CLOSE_TAG = "</think>";
-        if (string.IsNullOrEmpty(input) || !input.StartsWith(OPEN_TAG))
+        if (string.IsNullOrWhiteSpace(input) || !input.StartsWith(OPEN_TAG, StringComparison.Ordinal))
             return input;
         
         var endIndex = input.IndexOf(CLOSE_TAG, StringComparison.Ordinal);