feat: 在AI推荐列表中添加发布日期字段并更新AI服务配置

src/ai/ai.service.ts

@@ -16,6 +16,7 @@ export interface AIRecommendation {
   url: string;
   source: string;
   confidence: number;
+  publishDate?: Date;
 }
 
 @Injectable()
@@ -31,9 +32,14 @@ export class AiService {
     private readonly bidItemRepository: Repository<BidItem>,
   ) {
     const apiKey = this.configService.get<string>('ARK_API_KEY');
+    // this.openai = new OpenAI({
+    //   apiKey: apiKey || '',
+    //   baseURL: 'https://ark.cn-beijing.volces.com/api/v3',
+    //   timeout: 120000, // 120秒超时
+    // });
     this.openai = new OpenAI({
-      apiKey: apiKey || '',
-      baseURL: 'https://ark.cn-beijing.volces.com/api/v3',
+      apiKey: 'sk-5sSOxrJl31MGz76bE14d2fDbA55b44869fCcA0C813Fc893a' ,
+      baseURL: 'https://aihubmix.com/v1',
       timeout: 120000, // 120秒超时
     });
   }
@@ -43,7 +49,7 @@ export class AiService {
     this.logger.log(`发送给 AI 的数据数量: ${bids.length}`);
 
     try {
-      const prompt =PromptString+ `请根据以下投标项目标题列表，推荐最值得关注的 5-10 个项目。请以 JSON 格式返回，格式如下：
+      const prompt =PromptString+ `请根据以下投标项目标题列表，筛选出我关心的项目。请以 JSON 格式返回，格式如下：
 [
   {
     "title": "项目标题",
@@ -55,8 +61,8 @@ export class AiService {
 ${JSON.stringify(bids.map(b => b.title), null, 2)}`;
       this.logger.log('发给AI的内容',prompt);
       const completion = await this.openai.chat.completions.create({
-        model: 'doubao-seed-1-6-lite-251015',
-        max_tokens: 32768,
+        model: 'mimo-v2-flash-free',
+        // max_tokens: 32768,
         reasoning_effort: 'medium',
         messages: [
           {
@@ -122,7 +128,7 @@ ${JSON.stringify(bids.map(b => b.title), null, 2)}`;
         order: { confidence: 'DESC' }
       });
 
-      // 从 bid-items 表获取 url 和 source
+      // 从 bid-items 表获取 url、source 和 publishDate
       const result: AIRecommendation[] = [];
       for (const entity of entities) {
         const bidItem = await this.bidItemRepository.findOne({
@@ -133,7 +139,8 @@ ${JSON.stringify(bids.map(b => b.title), null, 2)}`;
           title: entity.title,
           url: bidItem?.url || '',
           source: bidItem?.source || '',
-          confidence: entity.confidence
+          confidence: entity.confidence,
+          publishDate: bidItem?.publishDate
         });
       }