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

tests/Paca.Tests/Browser/ChromeMediaSessionAdvancedTests.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Paca.Browser;
+using Paca.Browser.Media;
+using Xunit;
+
+namespace Paca.Tests.Browser;
+
+public class ChromeMediaSessionAdvancedTests
+{
+    [Fact]
+    public void MediaSessionCoordinator_Generates_Advanced_Control_Scripts()
+    {
+        var coordinator = new MediaSessionCoordinator();
+
+        var muteScript = coordinator.GenerateMuteToggleScript();
+        Assert.Contains("media.muted = !media.muted", muteScript);
+
+        var seekScript = coordinator.GenerateSeekScript(15.0);
+        Assert.Contains("currentTime", seekScript);
+        Assert.Contains("15", seekScript);
+
+        var volumeScript = coordinator.GenerateSetVolumeScript(0.75);
+        Assert.Contains("media.volume = 0.75", volumeScript);
+
+        var speedScript = coordinator.GeneratePlaybackRateScript(1.5);
+        Assert.Contains("media.playbackRate = 1.5", speedScript);
+    }
+
+    [Fact]
+    public void MediaSessionCoordinator_Mutes_All_Other_Tabs()
+    {
+        var coordinator = new MediaSessionCoordinator();
+        var tab1 = Guid.NewGuid();
+        var tab2 = Guid.NewGuid();
+        var tab3 = Guid.NewGuid();
+
+        var muteStates = new Dictionary<Guid, bool>
+        {
+            [tab1] = false,
+            [tab2] = false,
+            [tab3] = false,
+        };
+
+        coordinator.MuteAllOtherTabs(tab1, new[] { tab1, tab2, tab3 }, (id, mute) => muteStates[id] = mute);
+
+        Assert.False(muteStates[tab1]);
+        Assert.True(muteStates[tab2]);
+        Assert.True(muteStates[tab3]);
+    }
+
+    [Fact]
+    public void ChromeTabAudioPolicy_Enforces_SingleTabAudio_And_MuteByDefault()
+    {
+        var policy = new ChromeTabAudioPolicy(ChromeTabAudioMode.SingleTabAudioOnly);
+
+        var currentTab = Guid.NewGuid();
+        var otherTab1 = Guid.NewGuid();
+        var otherTab2 = Guid.NewGuid();
+
+        var toMute = policy.EvaluateAutoMuteOnNewPlayback(currentTab, new[] { otherTab1, otherTab2 });
+        Assert.Equal(2, toMute.Count);
+        Assert.Contains(otherTab1, toMute);
+        Assert.Contains(otherTab2, toMute);
+
+        // Standard mode doesn't auto-mute others
+        var stdPolicy = new ChromeTabAudioPolicy(ChromeTabAudioMode.Standard);
+        Assert.Empty(stdPolicy.EvaluateAutoMuteOnNewPlayback(currentTab, new[] { otherTab1, otherTab2 }));
+
+        // MuteByDefault mode
+        var muteByDefaultPolicy = new ChromeTabAudioPolicy(ChromeTabAudioMode.MuteByDefault);
+        Assert.True(muteByDefaultPolicy.ShouldMuteNewTab("https://youtube.com"));
+        Assert.False(stdPolicy.ShouldMuteNewTab("https://youtube.com"));
+    }
+
+    [Theory]
+    [InlineData("다른 탭 음소거")]
+    [InlineData("모든 다른 탭 음소거")]
+    [InlineData("mute others")]
+    public void Omnibox_Matches_MuteOthers_Action(string query)
+    {
+        var actions = OmniboxActionEvaluator.GetMatchingActions(query);
+        Assert.Contains(actions, a => a.ActionId == "action:mute-others");
+    }
+}