refactor(crawler): 优化爬虫类型定义和接口导出

将 Crawler 接口替换为 AnyCrawler 类型，统一爬虫类型定义
导出 CrawlInfoAddStats 接口以便其他模块使用
简化爬虫调用方式，使用类型断言替代接口方法调用

src/crawler/services/bid-crawler.service.ts

@@ -24,10 +24,7 @@ interface CrawlResult {
   url: string;
 }
 
-interface Crawler {
-  name: string;
-  crawl(browser: puppeteer.Browser): Promise<CrawlResult[]>;
-}
+type AnyCrawler = typeof ChdtpCrawler | typeof ChngCrawler | typeof SzecpCrawler | typeof CdtCrawler | typeof EpsCrawler | typeof CnncecpCrawler | typeof CgnpcCrawler | typeof CeicCrawler | typeof EspicCrawler | typeof PowerbeijingCrawler | typeof SdiccCrawler | typeof CnoocCrawler;
 
 @Injectable()
 export class BidCrawlerService {
@@ -50,7 +47,7 @@ export class BidCrawlerService {
     const crawlResults: Record<string, { success: number; error?: string }> =
       {};
     // 记录数据为0的爬虫，用于重试
-    const zeroDataCrawlers: Crawler[] = [];
+    const zeroDataCrawlers: AnyCrawler[] = [];
     // 从环境变量读取代理配置
     const proxyHost = this.configService.get<string>('PROXY_HOST');
     const proxyPort = this.configService.get<string>('PROXY_PORT');
@@ -114,7 +111,7 @@ export class BidCrawlerService {
         }
 
         try {
-          const results = await crawler.crawl(browser);
+          const results = await (crawler as any).crawl(browser);
           this.logger.log(
             `Extracted ${results.length} items from ${crawler.name}`,
           );
@@ -184,7 +181,7 @@ export class BidCrawlerService {
           }
 
           try {
-            const results = await crawler.crawl(browser);
+            const results = await (crawler as any).crawl(browser);
             this.logger.log(
               `Retry extracted ${results.length} items from ${crawler.name}`,
             );
@@ -337,7 +334,7 @@ export class BidCrawlerService {
     try {
       this.logger.log(`Crawling: ${targetCrawler.name}`);
 
-      const results = await targetCrawler.crawl(browser);
+      const results = await (targetCrawler as any).crawl(browser);
       this.logger.log(
         `Extracted ${results.length} items from ${targetCrawler.name}`,
       );