chore: 更新.gitignore并添加新文件

在.gitignore中添加对*.png、*.log、*-lock.json、*.woff2文件的忽略规则，并新增OFL.txt文件。同时，添加vue.svg图标文件以支持前端展示。更新多个TypeScript文件以优化代码格式和增强可读性。

src/crawler/services/ceic_target.spec.ts

@@ -29,7 +29,7 @@ describe('CeicCrawler Real Site Test', () => {
     if (proxyArgs.length > 0) {
       console.log('Using proxy:', proxyArgs.join(' '));
     }
-    
+
     browser = await puppeteer.launch({
       headless: false, // Run in non-headless mode
       args: [
@@ -40,14 +40,14 @@ describe('CeicCrawler Real Site Test', () => {
         '--disable-infobars',
         ...proxyArgs,
       ],
-      defaultViewport: null
+      defaultViewport: null,
     });
   });
 
   afterAll(async () => {
     if (browser) {
       // Keep open for a few seconds after test to see result
-      await new Promise(r => setTimeout(r, 50000));
+      await new Promise((r) => setTimeout(r, 50000));
       await browser.close();
     }
   });
@@ -56,29 +56,33 @@ describe('CeicCrawler Real Site Test', () => {
     console.log(`
 Starting crawl for: ${CeicCrawler.name}`);
     console.log(`Target URL: ${CeicCrawler.url}`);
-    
+
     const results = await CeicCrawler.crawl(browser);
-    
+
     console.log(`
 Successfully found ${results.length} items:
 `);
     console.log('----------------------------------------');
     results.forEach((item, index) => {
-      console.log(`${index + 1}. [${item.publishDate.toLocaleDateString()}] ${item.title}`);
+      console.log(
+        `${index + 1}. [${item.publishDate.toLocaleDateString()}] ${item.title}`,
+      );
       console.log(`   Link: ${item.url}`);
       console.log('----------------------------------------');
     });
 
     expect(results).toBeDefined();
     expect(Array.isArray(results)).toBeTruthy();
-    
+
     if (results.length === 0) {
-      console.warn('Warning: No items found. Observe browser window to see if content is loading or if there is a verification challenge.');
+      console.warn(
+        'Warning: No items found. Observe browser window to see if content is loading or if there is a verification challenge.',
+      );
     } else {
-       const firstItem = results[0];
-       expect(firstItem.title).toBeTruthy();
-       expect(firstItem.url).toMatch(/^https?:\/\//);
-       expect(firstItem.publishDate).toBeInstanceOf(Date);
+      const firstItem = results[0];
+      expect(firstItem.title).toBeTruthy();
+      expect(firstItem.url).toMatch(/^https?:\/\//);
+      expect(firstItem.publishDate).toBeInstanceOf(Date);
     }
   });
 });