feat: wip support tool choice

Author: ikesnowy

src/Cnblogs.DashScope.Core/ITextGenerationParameters.cs

@@ -46,5 +46,10 @@ public interface ITextGenerationParameters : IIncrementalOutputParameter, ISeedP
     /// <summary>
     /// Available tools for model to call.
     /// </summary>
-    public List<ToolDefinition>? Tools { get; }
+    public IEnumerable<ToolDefinition>? Tools { get; }
+
+    /// <summary>
+    ///
+    /// </summary>
+    public ToolChoice? ToolChoice { get; }
 }

src/Cnblogs.DashScope.Core/TextGenerationParameters.cs

@@ -33,7 +33,10 @@ public class TextGenerationParameters : ITextGenerationParameters
     public bool? EnableSearch { get; set; }
 
     /// <inheritdoc />
-    public List<ToolDefinition>? Tools { get; set; }
+    public IEnumerable<ToolDefinition>? Tools { get; set; }
+
+    /// <inheritdoc />
+    public ToolChoice? ToolChoice { get; set; }
 
     /// <inheritdoc />
     public bool? IncrementalOutput { get; set; }

src/Cnblogs.DashScope.Core/ToolChoice.cs

@@ -0,0 +1,6 @@
+namespace Cnblogs.DashScope.Core;
+
+/// <summary>
+/// Specify behavior when model
+/// </summary>
+public record ToolChoice();