Add queued FFmpeg conversion and finish splitting the window from the host.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Explorer.Domain.Tests/DomainTests.cs

@@ -110,6 +110,29 @@ public class ArchiveFormatsTests
     }
 }
 
+public class ConversionFormatsTests
+{
+    [Fact]
+    public void Matches_video_audio_and_heic()
+    {
+        Assert.True(ConversionFormats.Matches("clip.MOV", ConversionKind.VideoToMp4));
+        Assert.True(ConversionFormats.Matches("talk.wav", ConversionKind.ExtractAudio));
+        Assert.True(ConversionFormats.Matches("film.mkv", ConversionKind.ExtractAudio));
+        Assert.True(ConversionFormats.Matches("IMG_0001.heic", ConversionKind.HeicToJpeg));
+        Assert.False(ConversionFormats.Matches("notes.txt", ConversionKind.VideoToMp4));
+        Assert.False(ConversionFormats.IsConvertible("notes.txt"));
+        Assert.True(ConversionFormats.IsConvertible("phone.mp4"));
+        Assert.Equal("mp4", ConversionFormats.Extension(ConversionKind.VideoToMp4));
+        Assert.Equal("m4a", ConversionFormats.Extension(ConversionKind.ExtractAudio));
+        Assert.Equal("jpg", ConversionFormats.Extension(ConversionKind.HeicToJpeg));
+        Assert.Equal(ConversionKind.VideoToMp4, ConversionFormats.Preferred(["clip.mov", "notes.txt"]));
+        Assert.Equal(ConversionKind.HeicToJpeg, ConversionFormats.Preferred(["IMG.HEIC"]));
+        Assert.Equal(ConversionKind.VideoToMp4, ConversionFormats.Infer(@"C:\a.mov", @"C:\a.mp4"));
+        Assert.Equal(ConversionKind.ExtractAudio, ConversionFormats.Infer(@"C:\a.mov", @"C:\a.m4a"));
+        Assert.Equal(ConversionKind.HeicToJpeg, ConversionFormats.Infer(@"C:\a.heic", @"C:\a.jpg"));
+    }
+}
+
 public class VolumeIdentityTests
 {
     [Fact]
@@ -386,6 +409,9 @@ public class OperationProfileTests
         var compress = new OperationProfile { Name = "Archive", DoCopy = true, DoCompress = true, AutoRun = true };
         Assert.False(compress.CanAutoRun);
 
+        var convert = new OperationProfile { Name = "Convert", DoCopy = true, DoConvert = true, AutoRun = true };
+        Assert.False(convert.CanAutoRun);
+
         var rename = new OperationProfile { Name = "Rename", DoCopy = true, DoRename = true, RenamePrefix = "x_", AutoRun = true };
         Assert.False(rename.CanAutoRun);
     }