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

tests/Paca.Tests/Core/RemoteClipboardBridgeGateTests.cs

@@ -0,0 +1,88 @@
+using System;
+using Paca.Mobile.Core;
+using Xunit;
+
+namespace Paca.Tests.Core;
+
+public class RemoteClipboardBridgeGateTests
+{
+    [Fact]
+    public void Gate309_RemoteClipboardBridge_SanitizesAndBlocksDangerousSchemes()
+    {
+        // Allowed HTTP / HTTPS
+        var validHttps = "https://www.youtube.com/watch?v=remote123";
+        Assert.True(RemoteClipboardBridge.IsValidMediaUrl(validHttps, out var cleanUrl1));
+        Assert.Equal(validHttps, cleanUrl1);
+
+        // Block javascript: injection
+        var dangerous1 = "javascript:alert(1)";
+        Assert.False(RemoteClipboardBridge.IsValidMediaUrl(dangerous1, out _));
+
+        // Block local file scheme
+        var dangerous2 = "file:///C:/Windows/System32/calc.exe";
+        Assert.False(RemoteClipboardBridge.IsValidMediaUrl(dangerous2, out _));
+    }
+
+    [Fact]
+    public void Gate310_RemoteClipboardBridge_SerializesAndDeserializes_Correctly()
+    {
+        var payload = new RemoteClipboardPayload(
+            Url: "https://instagram.com/reel/abc999",
+            SourceDeviceName: "Galaxy S24",
+            TargetDeviceName: "Paca Desktop",
+            AutoStartDownload: true,
+            SentAt: new DateTime(2026, 9, 4, 20, 30, 0, DateTimeKind.Utc)
+        );
+
+        var json = RemoteClipboardBridge.Serialize(payload);
+        Assert.Contains("instagram.com", json);
+        Assert.Contains("Galaxy S24", json);
+
+        var restored = RemoteClipboardBridge.Deserialize(json);
+        Assert.NotNull(restored);
+        Assert.Equal(payload.Url, restored!.Url);
+        Assert.Equal(payload.SourceDeviceName, restored.SourceDeviceName);
+        Assert.True(restored.AutoStartDownload);
+    }
+
+    [Fact]
+    public void Gate311_RemoteClipboardBridge_BuildsPushRequest_WithGatewayEndpoint()
+    {
+        var payload = new RemoteClipboardPayload(
+            Url: "https://tiktok.com/@creator/video/111",
+            SourceDeviceName: "iPhone 15",
+            TargetDeviceName: "Office PC",
+            AutoStartDownload: true,
+            SentAt: DateTime.UtcNow
+        );
+
+        var targetGateway = "http://192.168.1.100:52100";
+        var pairingToken = "PACA-SEC-998877";
+
+        var (requestUri, bodyJson, authHeader) = RemoteClipboardBridge.BuildPushRequest(
+            payload, targetGateway, pairingToken);
+
+        Assert.Equal("http://192.168.1.100:52100/api/remote-clipboard", requestUri);
+        Assert.Equal("Bearer PACA-SEC-998877", authHeader);
+        Assert.Contains("tiktok.com", bodyJson);
+    }
+
+    [Fact]
+    public void Gate312_RemoteClipboardBridge_HandlesIncomingPayload_AndDeterminesAutoDownload()
+    {
+        var payload = new RemoteClipboardPayload(
+            Url: "https://www.youtube.com/watch?v=goodvideo",
+            SourceDeviceName: "Mobile",
+            TargetDeviceName: "Desktop",
+            AutoStartDownload: true,
+            SentAt: DateTime.UtcNow
+        );
+
+        var result = RemoteClipboardBridge.ProcessIncomingPayload(payload);
+
+        Assert.True(result.Success);
+        Assert.True(result.ShouldTriggerDownload);
+        Assert.Equal("https://www.youtube.com/watch?v=goodvideo", result.MediaUrl);
+        Assert.Equal("Mobile 기기에서 보낸 링크를 즉시 다운로드합니다.", result.UserStatusMessage);
+    }
+}