feat(ads/seo/release): v1.2.0 with live Google Ads, isolated ad profile, ads.txt, and SEO/AEO/GEO optimization

tests/Paca.Tests/App/QuickCaptureHudGateTests.cs

@@ -0,0 +1,66 @@
+using System;
+using Paca.App.ViewModels;
+using Xunit;
+
+namespace Paca.Tests.App;
+
+public class QuickCaptureHudGateTests
+{
+    [Fact]
+    public void Gate223_QuickCaptureHudViewModel_Initializes_WithDetectedUrl_AndExtractsDomain()
+    {
+        var url = "https://www.youtube.com/watch?v=dQw4w9WgXcQ";
+        var vm = new QuickCaptureHudViewModel(url);
+
+        Assert.Equal(url, vm.TargetUrl);
+        Assert.Equal("youtube.com", vm.DomainLabel);
+        Assert.Equal("mp4", vm.SelectedFormat);
+        Assert.True(vm.IsVisible);
+    }
+
+    [Fact]
+    public void Gate224_QuickCaptureHudViewModel_DownloadCommand_TriggersOnDownloadRequested()
+    {
+        var url = "https://twitter.com/user/status/123456789";
+        var vm = new QuickCaptureHudViewModel(url);
+
+        string? requestedUrl = null;
+        string? requestedFormat = null;
+        vm.DownloadRequested += (u, f) =>
+        {
+            requestedUrl = u;
+            requestedFormat = f;
+        };
+
+        vm.DownloadCommand.Execute(null);
+
+        Assert.Equal(url, requestedUrl);
+        Assert.Equal("mp4", requestedFormat);
+        Assert.False(vm.IsVisible); // Dismissed upon action
+    }
+
+    [Fact]
+    public void Gate225_QuickCaptureHudViewModel_SendToPhoneCommand_TriggersOnSendToPhoneRequested()
+    {
+        var url = "https://instagram.com/reel/abcdef";
+        var vm = new QuickCaptureHudViewModel(url);
+
+        string? sentUrl = null;
+        vm.SendToPhoneRequested += u => sentUrl = u;
+
+        vm.SendToPhoneCommand.Execute(null);
+
+        Assert.Equal(url, sentUrl);
+        Assert.False(vm.IsVisible); // Dismissed upon action
+    }
+
+    [Fact]
+    public void Gate226_QuickCaptureHudViewModel_Dismiss_ClosesHud()
+    {
+        var vm = new QuickCaptureHudViewModel("https://test.com/video");
+        Assert.True(vm.IsVisible);
+
+        vm.DismissCommand.Execute(null);
+        Assert.False(vm.IsVisible);
+    }
+}