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/QuickActionSpotlightTwoPhase20Tests.cs

@@ -0,0 +1,136 @@
+using System;
+using System.IO;
+using System.Linq;
+using Paca.Core.QuickActions;
+using Xunit;
+
+namespace Paca.Tests.App;
+
+public class QuickActionSpotlightTwoPhase20Tests
+{
+    private static readonly string SolutionRoot = Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, "..", "..", "..", "..", ".."));
+
+    [Theory]
+    [InlineData("https://www.youtube.com/watch?v=dQw4w9WgXcQ", ClipboardIntentType.MediaDownload)]
+    [InlineData("https://twitter.com/user/status/123456789", ClipboardIntentType.MediaDownload)]
+    [InlineData("https://example.com/live/stream.m3u8", ClipboardIntentType.MediaDownload)]
+    [InlineData("https://news.ycombinator.com", ClipboardIntentType.BrowseUrl)]
+    [InlineData("125 * 40 - 15", ClipboardIntentType.Expression)]
+    [InlineData("just regular plain text", ClipboardIntentType.None)]
+    [InlineData(null, ClipboardIntentType.None)]
+    public void Gate201_ClipboardDetector_AccuratelyClassifiesContent(string? text, ClipboardIntentType expected)
+    {
+        var detector = new QuickActionClipboardDetector();
+        var result = detector.DetectIntent(text);
+
+        Assert.Equal(expected, result.IntentType);
+        if (expected != ClipboardIntentType.None)
+        {
+            Assert.False(string.IsNullOrWhiteSpace(result.SuggestedActionTitle));
+        }
+    }
+
+    [Fact]
+    public void Gate202_FavoritesManager_AddRemoveAndPersistFavorites()
+    {
+        string tempJson = Path.Combine(Path.GetTempPath(), $"paca_fav_test_{Guid.NewGuid():N}.json");
+        try
+        {
+            var manager = new QuickActionFavoritesManager(tempJson);
+
+            Assert.False(manager.IsFavorite("browser.new_tab"));
+
+            // 1. Toggle on
+            bool added = manager.ToggleFavorite("browser.new_tab");
+            Assert.True(added);
+            Assert.True(manager.IsFavorite("browser.new_tab"));
+            Assert.Contains("browser.new_tab", manager.GetFavorites());
+
+            // 2. Reload from JSON disk
+            var manager2 = new QuickActionFavoritesManager(tempJson);
+            Assert.True(manager2.IsFavorite("browser.new_tab"));
+
+            // 3. Toggle off
+            bool removed = manager2.ToggleFavorite("browser.new_tab");
+            Assert.False(removed);
+            Assert.False(manager2.IsFavorite("browser.new_tab"));
+            Assert.DoesNotContain("browser.new_tab", manager2.GetFavorites());
+        }
+        finally
+        {
+            if (File.Exists(tempJson)) File.Delete(tempJson);
+        }
+    }
+
+    [Fact]
+    public void Gate203_UserCustomActionStore_RegistersAndInstantiatesQuickActionItem()
+    {
+        string tempJson = Path.Combine(Path.GetTempPath(), $"paca_custom_test_{Guid.NewGuid():N}.json");
+        try
+        {
+            var store = new UserCustomActionStore(tempJson);
+            var custom = new UserCustomAction(
+                Id: "custom.my_intranet",
+                Title: "사내 인트라넷 열기",
+                Keywords: "intranet work 사내포털",
+                TargetUrl: "https://intranet.company.internal",
+                ShortcutHint: "Ctrl+Alt+I"
+            );
+
+            store.AddOrUpdate(custom);
+            Assert.Single(store.GetAll());
+
+            // Convert to QuickActionItem
+            var catalog = new QuickActionCatalog();
+            store.InjectIntoCatalog(catalog);
+
+            var injected = catalog.FindById("custom.my_intranet");
+            Assert.NotNull(injected);
+            Assert.Equal("사내 인트라넷 열기", injected.Title);
+            Assert.Equal(QuickActionCategory.Ecosystem, injected.Category);
+
+            // Reload from disk
+            var store2 = new UserCustomActionStore(tempJson);
+            Assert.Single(store2.GetAll());
+            Assert.Equal("custom.my_intranet", store2.GetAll().First().Id);
+        }
+        finally
+        {
+            if (File.Exists(tempJson)) File.Delete(tempJson);
+        }
+    }
+
+    [Theory]
+    [InlineData(10, "방금 전")]
+    [InlineData(300, "5분 전")]
+    [InlineData(7200, "2시간 전")]
+    [InlineData(90000, "어제")]
+    public void Gate204_QuickActionTimeFormatter_RendersNaturalRelativeTime(int secondsAgo, string expectedKorean)
+    {
+        var now = DateTime.UtcNow;
+        var past = now.AddSeconds(-secondsAgo);
+
+        string formatted = QuickActionTimeFormatter.FormatRelativeTime(past, now, "ko");
+        Assert.Equal(expectedKorean, formatted);
+    }
+
+    [Fact]
+    public void Gate205_LauncherWindowXaml_ContainsClipboardBannerAndFavoritesSupport()
+    {
+        string xamlPath = Path.Combine(SolutionRoot, "src", "Paca.App", "QuickActionLauncherWindow.xaml");
+        string xaml = File.ReadAllText(xamlPath);
+
+        Assert.Contains("x:Name=\"ClipboardSuggestionBanner\"", xaml);
+        Assert.Contains("x:Name=\"ClipboardBannerTitle\"", xaml);
+    }
+
+    [Fact]
+    public void Gate206_LauncherWindowCs_WiresClipboardDetectionOnActivate()
+    {
+        string csPath = Path.Combine(SolutionRoot, "src", "Paca.App", "QuickActionLauncherWindow.xaml.cs");
+        string cs = File.ReadAllText(csPath);
+
+        Assert.Contains("CheckClipboardIntent()", cs);
+        Assert.Contains("QuickActionClipboardDetector", cs);
+    }
+}