feat: support reasoning switch for qwen3 models

Author: ikesnowy

src/Cnblogs.DashScope.Core/ITextGenerationParameters.cs

@@ -40,6 +40,11 @@ public interface ITextGenerationParameters
     /// </summary>
     public bool? EnableSearch { get; }
 
+    /// <summary>
+    /// Thinking option. Valid for supported models.(e.g. qwen3)
+    /// </summary>
+    public bool? EnableThinking { get; }
+
     /// <summary>
     /// Available tools for model to call.
     /// </summary>

src/Cnblogs.DashScope.Core/TextGenerationOutputTokenDetails.cs

@@ -0,0 +1,7 @@
+namespace Cnblogs.DashScope.Core;
+
+/// <summary>
+/// Output details for text generation api.
+/// </summary>
+/// <param name="ReasoningTokens">Token count of reasoning content.</param>
+public record TextGenerationOutputTokenDetails(int ReasoningTokens);

src/Cnblogs.DashScope.Core/TextGenerationParameters.cs

@@ -38,6 +38,9 @@ public class TextGenerationParameters : ITextGenerationParameters
     /// <inheritdoc />
     public bool? EnableSearch { get; set; }
 
+    /// <inheritdoc />
+    public bool? EnableThinking { get; set; }
+
     /// <inheritdoc />
     public IEnumerable<ToolDefinition>? Tools { get; set; }
 

src/Cnblogs.DashScope.Core/TextGenerationPromptTokenDetails.cs

@@ -0,0 +1,7 @@
+namespace Cnblogs.DashScope.Core;
+
+/// <summary>
+/// Token usage details.
+/// </summary>
+/// <param name="CachedTokens">Token count of cached input.</param>
+public record TextGenerationPromptTokenDetails(int CachedTokens);

src/Cnblogs.DashScope.Core/TextGenerationTokenDetails.cs

@@ -14,7 +14,12 @@ public class TextGenerationTokenUsage
     /// <summary>
     /// Input token details.
     /// </summary>
-    public TextGenerationTokenDetails? PromptTokensDetails { get; set; }
+    public TextGenerationPromptTokenDetails? PromptTokensDetails { get; set; }
+
+    /// <summary>
+    /// Output token details.
+    /// </summary>
+    public TextGenerationOutputTokenDetails? OutputTokensDetails { get; set; }
 
     /// <summary>
     /// The number of output token.

src/Cnblogs.DashScope.Core/TextGenerationTokenUsage.cs

@@ -9,6 +9,7 @@
     ]
   },
   "parameters": {
-    "incremental_output": false
+    "incremental_output": false,
+    "result_format": "message"
   }
 }

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

@@ -1,5 +1,5 @@
 {
-  "model": "deepseek-r1",
+  "model": "qwen-plus-latest",
   "input": {
     "messages": [
       {
@@ -9,6 +9,8 @@
     ]
   },
   "parameters": {
-    "incremental_output": true
+    "incremental_output": true,
+    "result_format": "message",
+    "enable_thinking": true
   }
 }

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

@@ -1,14 +1,14 @@
 HTTP/1.1 200 OK
 vary: Origin,Access-Control-Request-Method,Access-Control-Request-Headers
-x-request-id: e4ad5d0f-8019-9716-adc6-eae1411d3c9a
+x-request-id: d21851a2-675b-97a3-9132-2935c31d6ee3
 content-type: text/event-stream;charset=UTF-8
 x-dashscope-call-gateway: true
 x-dashscope-timeout: 180
 x-dashscope-finished: false
-req-cost-time: 500
-req-arrive-time: 1742405632039
-resp-start-time: 1742405632540
-x-envoy-upstream-service-time: 490
-date: Wed, 19 Mar 2025 17:33:52 GMT
+req-cost-time: 482
+req-arrive-time: 1749445556927
+resp-start-time: 1749445557410
+x-envoy-upstream-service-time: 474
+date: Mon, 09 Jun 2025 05:05:57 GMT
 server: istio-envoy
 transfer-encoding: chunked