Merge pull request #82 from PolarisYan/thinking

feat(chat): Change the output field format of the thinking content of…

Author: Vinlic

src/api/controllers/chat.ts

@@ -558,7 +558,7 @@ async function receiveStream(model: string, stream: any, refConvId?: string): Pr
       choices: [
         {
           index: 0,
-          message: { role: "assistant", content: "" },
+          message: { role: "assistant", content: "", reasoning_content: "" },
           finish_reason: "stop",
         },
       ],
@@ -581,20 +581,25 @@ async function receiveStream(model: string, stream: any, refConvId?: string): Pr
           refContent += searchResults.map(item => `${item.title} - ${item.url}`).join('\n');
           return;
         }
-        if (result.choices[0].delta.type === "thinking") {
+        if (isFoldModel && result.choices[0].delta.type === "thinking") {
           if (!thinking && isThinkingModel && !isSilentModel) {
             thinking = true;
             data.choices[0].message.content += isFoldModel ? "<details><summary>思考过程</summary><pre>" : "[思考开始]\n";
           }
           if (isSilentModel)
             return;
         }
-        else if (thinking && isThinkingModel && !isSilentModel) {
+        else if (isFoldModel && thinking && isThinkingModel && !isSilentModel) {
           thinking = false;
           data.choices[0].message.content += isFoldModel ? "</pre></details>" : "\n\n[思考结束]\n";
         }
-        if (result.choices[0].delta.content)
-          data.choices[0].message.content += result.choices[0].delta.content;
+        if (result.choices[0].delta.content) {
+          if(result.choices[0].delta.type === "thinking" && !isFoldModel){
+            data.choices[0].message.reasoning_content += result.choices[0].delta.content;
+          }else {
+            data.choices[0].message.content += result.choices[0].delta.content;
+          }
+        }
         if (result.choices && result.choices[0] && result.choices[0].finish_reason === "stop") {
           data.choices[0].message.content = data.choices[0].message.content.replace(/^\n+/, '').replace(/\[citation:\d+\]/g, '') + (refContent ? `\n\n搜索结果来自：\n${refContent}` : '');
           resolve(data);
@@ -640,7 +645,7 @@ function createTransStream(model: string, stream: any, refConvId: string, endCal
         choices: [
           {
             index: 0,
-            delta: { role: "assistant", content: "" },
+            delta: { role: "assistant", content: "" , reasoning_content: "" },
             finish_reason: null,
           },
         ],
@@ -676,7 +681,7 @@ function createTransStream(model: string, stream: any, refConvId: string, endCal
         }
         return;
       }
-      if (result.choices[0].delta.type === "thinking") {
+      if (isFoldModel && result.choices[0].delta.type === "thinking") {
         if (!thinking && isThinkingModel && !isSilentModel) {
           thinking = true;
           transStream.write(`data: ${JSON.stringify({
@@ -696,7 +701,7 @@ function createTransStream(model: string, stream: any, refConvId: string, endCal
         if (isSilentModel)
           return;
       }
-      else if (thinking && isThinkingModel && !isSilentModel) {
+      else if (isFoldModel && thinking && isThinkingModel && !isSilentModel) {
         thinking = false;
         transStream.write(`data: ${JSON.stringify({
           id: `${refConvId}@${result.message_id}`,
@@ -716,19 +721,25 @@ function createTransStream(model: string, stream: any, refConvId: string, endCal
       if (!result.choices[0].delta.content)
         return;
 
+      const deltaContent = result.choices[0].delta.content.replace(/\[citation:\d+\]/g, '');
+      const delta = result.choices[0].delta.type === "thinking" && !isFoldModel
+          ? { role: "assistant", reasoning_content: deltaContent }
+          : { role: "assistant", content: deltaContent };
+
       transStream.write(`data: ${JSON.stringify({
         id: `${refConvId}@${result.message_id}`,
         model: result.model,
         object: "chat.completion.chunk",
         choices: [
           {
             index: 0,
-            delta: { role: "assistant", content: result.choices[0].delta.content.replace(/\[citation:\d+\]/g, '') },
+            delta,
             finish_reason: null,
           },
         ],
         created,
       })}\n\n`);
+
       if (result.choices && result.choices[0] && result.choices[0].finish_reason === "stop") {
         transStream.write(`data: ${JSON.stringify({
           id: `${refConvId}@${result.message_id}`,