feat: add thinking budget parameter

Author: ikesnowy

src/Cnblogs.DashScope.Core/ITextGenerationParameters.cs

@@ -45,6 +45,21 @@ public interface ITextGenerationParameters
     /// </summary>
     public bool? EnableThinking { get; }
 
+    /// <summary>
+    /// Maximum length of thinking content. Valid for supported models.(e.g. qwen3)
+    /// </summary>
+    public int? ThinkingBudget { get; set; }
+
+    /// <summary>
+    /// Include log possibilities in response.
+    /// </summary>
+    public bool? Logprobs { get; set; }
+
+    /// <summary>
+    /// How many choices should be returned. Range: [0, 5]
+    /// </summary>
+    public int? TopLogprobs { get; set; }
+
     /// <summary>
     /// Available tools for model to call.
     /// </summary>

src/Cnblogs.DashScope.Core/TextGenerationParameters.cs

@@ -41,6 +41,15 @@ public class TextGenerationParameters : ITextGenerationParameters
     /// <inheritdoc />
     public bool? EnableThinking { get; set; }
 
+    /// <inheritdoc />
+    public int? ThinkingBudget { get; set; }
+
+    /// <inheritdoc />
+    public bool? Logprobs { get; set; }
+
+    /// <inheritdoc />
+    public int? TopLogprobs { get; set; }
+
     /// <inheritdoc />
     public IEnumerable<ToolDefinition>? Tools { get; set; }
 

test/Cnblogs.DashScope.Tests.Shared/RawHttpData/single-generation-message-reasoning-sse.request.body.json

@@ -9,8 +9,9 @@
     ]
   },
   "parameters": {
-    "incremental_output": true,
     "result_format": "message",
-    "enable_thinking": true
+    "incremental_output": true,
+    "enable_thinking": true,
+    "thinking_budget": 10
   }
 }