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Fix empty / trailing whitespace handling in ChatClientHelper #137

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Merged
merged 1 commit into from
Sep 23, 2025
Merged

Fix empty / trailing whitespace handling in ChatClientHelper #137

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17 changes: 16 additions & 1 deletion Anthropic.SDK/Messaging/ChatClientHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,20 @@ public static MessageParameters CreateMessageParameters(IChatClient client, IEnu
break;

case Microsoft.Extensions.AI.TextContent textContent:
currentMessage.Content.Add(new TextContent() { Text = textContent.Text });
string text = textContent.Text;
if (currentMessage.Role == RoleType.Assistant)
{
text.TrimEnd();
if (text.Length != 0)
{
currentMessage.Content.Add(new TextContent() { Text = text });
}
}
else
{
currentMessage.Content.Add(new TextContent() { Text = text });
}

break;

case Microsoft.Extensions.AI.DataContent imageContent when imageContent.HasTopLevelMediaType("image"):
Expand Down Expand Up @@ -224,6 +237,8 @@ public static MessageParameters CreateMessageParameters(IChatClient client, IEnu
}
}

parameters.Messages.RemoveAll(m => m.Content.Count == 0);

return parameters;
}

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