Fix AdvancedPaste Gemini provider saving Azure placeholder endpoint

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
Fixed custom hotkey issue

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## PR Checklist

- [x] Closes: #43899 
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issues) -->
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- [x] **Tests:** Added/updated and all pass
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Signed-off-by: Shawn Yuan (from Dev Box) <shuaiyuan@microsoft.com>

src/modules/AdvancedPaste/AdvancedPasteModuleInterface/dllmain.cpp

@@ -312,13 +312,39 @@ private:
         return false;
     }
 
-        void read_settings(PowerToysSettings::PowerToyValues& settings)
+    void read_settings(PowerToysSettings::PowerToyValues& settings)
     {
         const auto settingsObject = settings.get_raw_json();
 
         // Migrate Paste As Plain text shortcut
         Hotkey old_paste_as_plain_hotkey;
         bool old_data_migrated = migrate_data_and_remove_data_file(old_paste_as_plain_hotkey);
+
+        if (settingsObject.GetView().Size())
+        {
+            const auto propertiesObject = settingsObject.GetNamedObject(JSON_KEY_PROPERTIES);
+
+            m_is_advanced_ai_enabled = has_advanced_ai_provider(propertiesObject);
+
+            if (propertiesObject.HasKey(JSON_KEY_IS_AI_ENABLED))
+            {
+                m_is_ai_enabled = propertiesObject.GetNamedObject(JSON_KEY_IS_AI_ENABLED).GetNamedBoolean(JSON_KEY_VALUE, false);
+            }
+            else if (propertiesObject.HasKey(JSON_KEY_IS_OPEN_AI_ENABLED))
+            {
+                m_is_ai_enabled = propertiesObject.GetNamedObject(JSON_KEY_IS_OPEN_AI_ENABLED).GetNamedBoolean(JSON_KEY_VALUE, false);
+            }
+            else
+            {
+                m_is_ai_enabled = false;
+            }
+
+            if (propertiesObject.HasKey(JSON_KEY_SHOW_CUSTOM_PREVIEW))
+            {
+                m_preview_custom_format_output = propertiesObject.GetNamedObject(JSON_KEY_SHOW_CUSTOM_PREVIEW).GetNamedBoolean(JSON_KEY_VALUE);
+            }
+        }
+
         if (old_data_migrated)
         {
             m_paste_as_plain_hotkey = old_paste_as_plain_hotkey;
@@ -405,31 +431,6 @@ private:
                 }
             }
         }
-
-        if (settingsObject.GetView().Size())
-        {
-            const auto propertiesObject = settingsObject.GetNamedObject(JSON_KEY_PROPERTIES);
-
-            m_is_advanced_ai_enabled = has_advanced_ai_provider(propertiesObject);
-
-            if (propertiesObject.HasKey(JSON_KEY_IS_AI_ENABLED))
-            {
-                m_is_ai_enabled = propertiesObject.GetNamedObject(JSON_KEY_IS_AI_ENABLED).GetNamedBoolean(JSON_KEY_VALUE, false);
-            }
-            else if (propertiesObject.HasKey(JSON_KEY_IS_OPEN_AI_ENABLED))
-            {
-                m_is_ai_enabled = propertiesObject.GetNamedObject(JSON_KEY_IS_OPEN_AI_ENABLED).GetNamedBoolean(JSON_KEY_VALUE, false);
-            }
-            else
-            {
-                m_is_ai_enabled = false;
-            }
-
-            if (propertiesObject.HasKey(JSON_KEY_SHOW_CUSTOM_PREVIEW))
-            {
-                m_preview_custom_format_output = propertiesObject.GetNamedObject(JSON_KEY_SHOW_CUSTOM_PREVIEW).GetNamedBoolean(JSON_KEY_VALUE);
-            }
-        }
     }
 
     // Load the settings file.

src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs

@@ -314,10 +314,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             string selectedType = draft.ServiceType ?? string.Empty;
             AIServiceType serviceKind = draft.ServiceTypeKind;
 
-            bool requiresEndpoint = serviceKind is AIServiceType.AzureOpenAI
-                or AIServiceType.AzureAIInference
-                or AIServiceType.Mistral
-                or AIServiceType.Ollama;
+            bool requiresEndpoint = RequiresEndpointForService(serviceKind);
             bool requiresDeployment = serviceKind == AIServiceType.AzureOpenAI;
             bool requiresApiVersion = serviceKind == AIServiceType.AzureOpenAI;
             bool requiresModelPath = serviceKind == AIServiceType.Onnx;
@@ -788,12 +785,17 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             string serviceType = draft.ServiceType ?? "OpenAI";
             string apiKey = PasteAIApiKeyPasswordBox.Password;
             string trimmedApiKey = apiKey?.Trim() ?? string.Empty;
+            var serviceKind = draft.ServiceTypeKind;
+            bool requiresEndpoint = RequiresEndpointForService(serviceKind);
             string endpoint = (draft.EndpointUrl ?? string.Empty).Trim();
-            if (endpoint == string.Empty)
+
+            // Never persist placeholder text or stale values for services that don't use an endpoint.
+            if (!requiresEndpoint)
             {
-                endpoint = GetEndpointPlaceholder(draft.ServiceTypeKind);
+                endpoint = string.Empty;
             }
 
+            // For endpoint-based services, keep empty if the user didn't provide a value.
             if (RequiresApiKeyForService(serviceType) && string.IsNullOrWhiteSpace(trimmedApiKey))
             {
                 args.Cancel = true;
@@ -833,6 +835,14 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             };
         }
 
+        private static bool RequiresEndpointForService(AIServiceType serviceKind)
+        {
+            return serviceKind is AIServiceType.AzureOpenAI
+                or AIServiceType.AzureAIInference
+                or AIServiceType.Mistral
+                or AIServiceType.Ollama;
+        }
+
         private static string GetEndpointPlaceholder(AIServiceType serviceKind)
         {
             return serviceKind switch
@@ -841,7 +851,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
                 AIServiceType.AzureAIInference => "https://{resource-name}.cognitiveservices.azure.com/",
                 AIServiceType.Mistral => "https://api.mistral.ai/v1/",
                 AIServiceType.Ollama => "http://localhost:11434/",
-                _ => "https://your-resource.openai.azure.com/",
+                _ => string.Empty,
             };
         }