From ab531b262018af9d0b2d17085a63267a7147fea5 Mon Sep 17 00:00:00 2001
From: Shawn Yuan <128874481+shuaiyuanxx@users.noreply.github.com>
Date: Thu, 25 Dec 2025 11:57:51 +0800
Subject: [PATCH] Fix empty endpoint issue (#44415)

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## Summary of the Pull Request
This pull request introduces a small but important improvement to the
handling of AI provider endpoint configuration in the advanced paste
settings. Now, if an endpoint is required but not provided by the user,
a placeholder value will be set automatically.

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## PR Checklist

- [ ] Closes: #xxx
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## Detailed Description of the Pull Request / Additional comments

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---
 .../Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs b/src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs
index 130230e2d9..8cae5dbd5f 100644
--- a/src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs
+++ b/src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs
@@ -794,6 +794,11 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             {
                 endpoint = string.Empty;
             }
+            else if (string.IsNullOrEmpty(endpoint))
+            {
+                // If endpoint is required but not provided, use placeholder.
+                endpoint = GetEndpointPlaceholder(serviceKind);
+            }
 
             // For endpoint-based services, keep empty if the user didn't provide a value.
             if (RequiresApiKeyForService(serviceType) && string.IsNullOrWhiteSpace(trimmedApiKey))