feat(translate): support LLM parameters - temperature, top_p

Author: umlx5h

FlyleafLib/MediaPlayer/Translation/Services/ITranslateSettings.cs

@@ -179,6 +179,36 @@ public virtual string ChatPath
     public int TimeoutMs { get; set => Set(ref field, value); } = 15000;
     public int TimeoutHealthMs { get; set => Set(ref field, value); } = 2000;
 
+    #region LLM Parameters
+    public double Temperature
+    {
+        get;
+        set
+        {
+            if (value is >= 0.0 and <= 2.0)
+            {
+                Set(ref field, Math.Round(value, 2));
+            }
+        }
+    } = 0.0;
+
+    public bool TemperatureManual { get; set => Set(ref field, value); } = true;
+
+    public double TopP
+    {
+        get;
+        set
+        {
+            if (value is >= 0.0 and <= 1.0)
+            {
+                Set(ref field, Math.Round(value, 2));
+            }
+        }
+    } = 1;
+
+    public bool TopPManual { get; set => Set(ref field, value); }
+    #endregion
+
     /// <summary>
     /// GetHttpClient
     /// </summary>

FlyleafLib/MediaPlayer/Translation/Services/OpenAIBaseTranslateService.cs

@@ -165,6 +165,9 @@ private static async Task<string> SendChatRequest(
             model = settings.Model,
             stream = false,
             messages = messages,
+
+            temperature = settings.TemperatureManual ? settings.Temperature : null,
+            top_p = settings.TopPManual ? settings.TopP : null
         };
 
         if (!settings.ModelRequired && string.IsNullOrWhiteSpace(settings.Model))
@@ -260,6 +263,8 @@ public class OpenAIRequest
     public string? model { get; set; }
     public OpenAIMessage[] messages { get; set; }
     public bool stream { get; set; }
+    public double? temperature { get; set; }
+    public double? top_p { get; set; }
 }
 
 public class OpenAIResponse

LLPlayer/Controls/Settings/Trans/OpenAIBaseTranslateControl.xaml

@@ -97,5 +97,55 @@
                 IsReadOnly="True"
                 Text="{Binding Status, Mode=OneWay}" />
         </DockPanel>
+
+        <Expander Header="LLM Parameters">
+            <StackPanel Margin="10">
+                <StackPanel Orientation="Horizontal" Margin="0 0 0 12"
+                            VerticalAlignment="Center">
+                    <TextBlock
+                        Width="180"
+                        Text="temperature" />
+                    <CheckBox
+                        Content="Manual"
+                        IsChecked="{Binding TemperatureManual}" />
+                    <Slider
+                        Minimum="0" Maximum="1" TickFrequency="0.01" IsSnapToTickEnabled="True"
+                        Margin="8 0 0 0"
+                        Value="{Binding Temperature, Mode=TwoWay}"
+                        Width="200"
+                        Style="{StaticResource MaterialDesignDiscreteSlider}"
+                        materialDesign:SliderAssist.OnlyShowFocusVisualWhileDragging="True"
+                        IsEnabled="{Binding TemperatureManual}" />
+                    <TextBox
+                        Width="40"
+                        Text="{Binding Temperature}"
+                        IsEnabled="{Binding TemperatureManual}"
+                        helpers:TextBoxHelper.OnlyNumeric="Double" />
+                </StackPanel>
+
+                <StackPanel Orientation="Horizontal" Margin="0 0 0 12"
+                            VerticalAlignment="Center">
+                    <TextBlock
+                        Width="180"
+                        Text="top_p" />
+                    <CheckBox
+                        Content="Manual"
+                        IsChecked="{Binding TopPManual}" />
+                    <Slider
+                        Minimum="0" Maximum="1" TickFrequency="0.01" IsSnapToTickEnabled="True"
+                        Margin="8 0 0 0"
+                        Value="{Binding TopP, Mode=TwoWay}"
+                        Width="200"
+                        Style="{StaticResource MaterialDesignDiscreteSlider}"
+                        materialDesign:SliderAssist.OnlyShowFocusVisualWhileDragging="True"
+                        IsEnabled="{Binding TopPManual}" />
+                    <TextBox
+                        Width="40"
+                        Text="{Binding TopP}"
+                        IsEnabled="{Binding TopPManual}"
+                        helpers:TextBoxHelper.OnlyNumeric="Double" />
+                </StackPanel>
+            </StackPanel>
+        </Expander>
     </StackPanel>
 </UserControl>