fix(installer): use {autodesktop} for per-user desktop shortcut safety and fix IPersistFile 0x80070005 error

tests/Paca.Tests/Browser/DesktopAdSlotAndNtpSponsoredGateTests.cs

@@ -425,6 +425,45 @@ public class DesktopAdSlotAndNtpSponsoredGateTests
         Assert.Contains("data-ad-client=\"ca-pub-1039714767792854\"", adsenseSnippet);
         Assert.Contains("data-ad-slot=\"4387520844\"", adsenseSnippet);
     }
+
+    [Fact]
+    public void Gate214_RealGoogleAds_AdSense_ProductionSnippets_And_DomainOrigin_Audit()
+    {
+        // 1. 프로덕션 모드 DesktopAdManager 생성 시 실제 단위 슬롯이 주입되어야 함
+        var prodConfig = DesktopAdConfig.PacaProduction with { ForceTestAds = false };
+        var adManager = new DesktopAdManager(prodConfig);
+
+        var bottomAd = adManager.GetAdForPlacement(DesktopAdPlacement.BottomAppBanner);
+        Assert.NotNull(bottomAd);
+        Assert.True(bottomAd.IsRealAd);
+        Assert.Equal("ca-app-pub-1039714767792854/4387520844", bottomAd.AdUnitId);
+        Assert.NotNull(bottomAd.HtmlEmbedSnippet);
+        Assert.Contains("ca-pub-1039714767792854", bottomAd.HtmlEmbedSnippet);
+        Assert.Contains("4387520844", bottomAd.HtmlEmbedSnippet);
+        Assert.Contains("pagead2.googlesyndication.com/pagead/js/adsbygoogle.js", bottomAd.HtmlEmbedSnippet);
+
+        var dlAd = adManager.GetAdForPlacement(DesktopAdPlacement.DownloadViewBanner);
+        Assert.NotNull(dlAd);
+        Assert.True(dlAd.IsRealAd);
+        Assert.Equal("ca-app-pub-1039714767792854/1521297311", dlAd.AdUnitId);
+        Assert.NotNull(dlAd.HtmlEmbedSnippet);
+        Assert.Contains("ca-pub-1039714767792854", dlAd.HtmlEmbedSnippet);
+        Assert.Contains("1521297311", dlAd.HtmlEmbedSnippet);
+        Assert.Contains("pagead2.googlesyndication.com/pagead/js/adsbygoogle.js", dlAd.HtmlEmbedSnippet);
+
+        // 2. DesktopAdConfig.GenerateProductionAdSnippet 검증
+        var snippet = DesktopAdConfig.GenerateProductionAdSnippet("ca-app-pub-1039714767792854/4387520844", 728, 90, "div-bottom");
+        Assert.Contains("ca-pub-1039714767792854", snippet);
+        Assert.Contains("data-ad-slot=\"4387520844\"", snippet);
+        Assert.Contains("data-ad-status", snippet);
+
+        // 3. DesktopAdBannerControl.xaml.cs에서 실 도메인 mediabrowser.chanpaca.net 및 크롬 User-Agent 감사
+        var bannerCsPath = Path.Combine(AppDir, "Controls", "DesktopAdBannerControl.xaml.cs");
+        var bannerCs = File.ReadAllText(bannerCsPath);
+        Assert.Contains("mediabrowser.chanpaca.net", bannerCs);
+        Assert.Contains("Chrome/130", bannerCs);
+        Assert.Contains("Settings.UserAgent", bannerCs);
+    }
 }