feat(news): add scraper adapters, article deduplication, blocklist service, and remove tracked publish artifacts

FinlyticNews/Adapters/Scraping/DerAktionaerScraperAdapter.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.Playwright;
+
+namespace FinlyticNews.Adapters.Scraping;
+
+/// <summary>
+/// Specialized article scraper adapter for DerAktionaer.de (DER AKTIONÄR).
+/// </summary>
+public class DerAktionaerScraperAdapter : ArticleScraperAdapter
+{
+    public override string Hostname => "deraktionaer.de";
+
+    public override string ArticleBodySelector => "article#article-detail, div.article-body";
+
+    public override async Task<ScrapedArticleResult?> ExtractArticleContentAsync(IPage page)
+    {
+        await page.EvaluateAsync(@"() => {
+            document.querySelectorAll('.sp_message, .latest-release-item, .article-footer, .subscription-box').forEach(e => e.remove());
+        }");
+
+        return await base.ExtractArticleContentAsync(page);
+    }
+}