fix: 修复交互对话缺失之前的历史内容

Author: yefansky

src/chatPanel.ts

@@ -450,9 +450,16 @@ export class ChatPanel {
                     // 发送消息到 Webview，禁用发送按钮并显示停止按钮
                     this._panel.webview.postMessage({ command: 'disableSendButton' });
                     this._panel.webview.postMessage({ command: 'showStopButton' });
+
+                    // 转换 _conversation 为 DeepSeek API 所需的消息格式
+                    const conversationMessages: string[] = [];
+                    for (let i = 0; i < this._conversation.length; i++) {
+                        const message = this._conversation[i];
+                        conversationMessages.push(message.content); // 仅取出内容
+                    }
 
                     const response = await callDeepSeekApi(
-                        message.text,
+                        conversationMessages,
                         'You are a helpful assistant. Always format answers with Markdown.',
                         webviewOutputChannel,
                         true,

src/deepseekApi.ts

@@ -47,7 +47,7 @@ export function GetLastMessageBody() : OpenAI.ChatCompletionMessageParam[] {
 
 /**
  * 调用 DeepSeek API
- * @param userContent 用户输入内容
+ * @param userContent 用户输入内容，可以是字符串或字符串数组
  * @param systemContent 系统提示内容
  * @param outputChannel 输出通道，用于实时显示流式内容
  * @param streamMode 是否启用流式模式
@@ -56,7 +56,7 @@ export function GetLastMessageBody() : OpenAI.ChatCompletionMessageParam[] {
  * @returns API 返回的完整内容
  */
 export async function callDeepSeekApi(
-    userContent: string,
+    userContent: string | string[],  // 修改为支持 string 或 string[]
     systemContent: string = 'You are a helpful assistant.',
     outputChannel?: vscode.OutputChannel,
     streamMode: boolean = true,
@@ -87,15 +87,26 @@ export async function callDeepSeekApi(
             outputChannel.show();
         }
 
-        const messages_body: OpenAI.ChatCompletionMessageParam[] = [
-            { role: 'system', content: systemContent },
-            { role: 'user', content: userContent },
-        ];
+        // 构造消息体
+        let messages_body: OpenAI.ChatCompletionMessageParam[] = [];
+        if (Array.isArray(userContent)) {
+            // 如果 userContent 是数组，按交替方式生成消息
+            for (let i = 0; i < userContent.length; i++) {
+                const role = i % 2 === 0 ? 'user' : 'assistant';
+                messages_body.push({ role, content: userContent[i] });
+            }
+        } else {
+            // 如果是单个字符串，默认是 'user' 角色
+            messages_body = [
+                { role: 'system', content: systemContent },
+                { role: 'user', content: userContent },
+            ];
+        }
+
         let fullResponse = '';
         let maxAttempts = 5;
         let attempts = 0;
 
-
         vscode.window.showInformationMessage('开始上传DeepSeek API');
 
         while (attempts < maxAttempts) {