✨ feat(imageProcessor): add image editing functionality and improve response structure for better processing.

lib/ai/imageProcessor.js

@@ -89,7 +89,6 @@ class ImageProcessor {
         quality: config.quality || 'standard',
         style: config.style || 'vivid',
         response_format: config.responseFormat || 'url',
-        user: config.user || undefined
       };
 
       const response = await axios.post(
@@ -145,21 +144,22 @@ class ImageProcessor {
       const messages = [
         {
           role: 'system',
-          content: '请你根据用户的描述生成高质量且准确的图像,条件允许的情况下,请先思考用户的意图再生成图像,请直接返回图像url,不要任何其他内容'
+          content: [
+            {type: 'text', text: '请你根据用户的描述生成高质量且准确的图像,条件允许的情况下,请先思考用户的意图再生成图像,请直接返回图像url,不要任何其他内容'}
+          ]
         },
         {
           role: 'user',
-          content: prompt
+          content: [
+            {type: 'text', text: prompt}
+          ]
         }
       ];
       const requestBody = {
         model: config.model || 'google/gemini-3-pro-image-preview',
         messages: messages,
-        max_tokens: config.maxTokens || 4000,
         temperature: config.temperature || 0.7,
         modalities: config.modalities || ['text', 'image'],
-        size: config.size || '1024x1024',
-        response_format: config.responseFormat || 'url'
       };
 
       const response = await axios.post(
@@ -229,6 +229,117 @@ class ImageProcessor {
     }
   }
 
+  async editImage(prompt, sourceImageArr, config){
+    if(config.imageMode==='openai'){
+      return await this.editImageByOpenAI(prompt, sourceImageArr, config);
+    } else if(config.imageMode==='chat'){
+      return await this.editImageByChat(prompt, sourceImageArr, config);
+    } else {
+      return await this.editImageByChat(prompt, sourceImageArr, config);
+    }
+  }
+
+  /**
+   * 使用对话式接口编辑图像（如gemini-3-pro-image-preview）
+   * @param {string} prompt - 编辑描述
+   * @param {string} sourceImageArr - 源图像URL数组
+   * @param {Object} config - 配置对象
+   * @returns {Promise<Object>} 编辑结果
+   */
+  async editImageByChat(prompt, sourceImageArr, config) {
+    try{
+      logger.info(`[crystelf-ai] 开始编辑图像: ${prompt}, 源图像数量: ${sourceImageArr.length}`);
+      if(!sourceImageArr||sourceImageArr.length===0){
+        return {
+          success: false,
+          error: '编辑图像需要提供源图像'
+        };
+      }
+      let messages = [];
+      messages.push({
+        role: 'system',
+        content: [
+          {type: 'text', text: '请你根据用户的描述编辑图像,条件允许的情况下,请先思考用户的意图再编辑图像,请直接返回图像url,不要任何其他内容'}
+        ]
+      });
+      let userContent = [];
+      userContent.push({type: 'text', text: prompt});
+      sourceImageArr.forEach((img) => {
+        userContent.push({type: 'image_url', image_url: {url: img}});
+      });
+      messages.push({
+        role: 'user',
+        content: userContent
+      });
+
+      const requestBody = {
+        model: config.model || 'google/gemini-3-pro-image-preview',
+        messages: messages,
+        temperature: config.temperature || 0.7,
+        modalities: config.modalities || ['text', 'image'],
+      };
+
+      const response = await axios.post(
+        `${config.baseApi}/v1/chat/completions`,
+        requestBody,
+        {
+          headers: {
+            'Authorization': `Bearer ${config.apiKey}`,
+            'Content-Type': 'application/json'
+          },
+          timeout: config.timeout || 60000
+        }
+      );
+
+      if (response.data && response.data.choices && response.data.choices.length > 0) {
+        const choice = response.data.choices[0];
+        if (choice.message && choice.message.images && choice.message.images.length > 0) {
+          const imageData = choice.message.images[0];
+          const imageUrl = imageData.image_url ? imageData.image_url.url : null;
+
+          if (imageUrl) {
+            logger.info(`[crystelf-ai] 对话接口图像生成成功: ${imageUrl.substring(0, 50)}...`);
+            return {
+              success: true,
+              imageUrl: imageUrl,
+              description: prompt,
+              model: config.model || 'google/gemini-3-pro-image-preview',
+              rawResponse: response.data
+            };
+          }
+        }
+        if (choice.message && choice.message.content) {
+          const imageUrl = this.extractImageUrl(choice.message.content);
+          if (imageUrl) {
+            logger.info(`[crystelf-ai] 从响应内容中提取到图像URL: ${imageUrl}`);
+            return {
+              success: true,
+              imageUrl: imageUrl,
+              description: prompt,
+              model: config.model || 'google/gemini-3-pro-image-preview',
+              rawResponse: response.data
+            };
+          } else {
+            logger.info(`[crystelf-ai] 收到文本响应: ${choice.message.content}`);
+            return {
+              success: true,
+              response: choice.message.content,
+              description: prompt,
+              model: config.model || 'google/gemini-3-pro-image-preview',
+              rawResponse: response.data
+            };
+          }
+        }
+      }
+    } catch (err){
+      logger.error(`[crystelf-ai] 图像编辑失败: ${error.message}`);
+      return {
+        success: false,
+        error: `图像编辑失败: ${error.message}`
+      };
+    }
+  }
+
   /**
    * 编辑图像 - 使用OpenAI标准接口
    * @param {string} prompt - 编辑描述
@@ -236,7 +347,7 @@ class ImageProcessor {
    * @param {Object} config - 配置对象
    * @returns {Promise<Object>} 编辑结果
    */
-  async editImage(prompt, sourceImageArr, config) {
+  async editImageByOpenAI(prompt, sourceImageArr, config) {
     try {
       logger.info(`[crystelf-ai] 开始编辑图像: ${prompt}, 源图像数量: ${sourceImageArr.length}`);