Bump version to 1.0.3

- Suffix release tag support: folder name ending in -TAG
  prepends [TAG] to output filenames
- Show name injection from parent folder for episode-only
  filenames (e.g. S01E01-Name.mkv)
- Queue and logs display predicted output filename
- Run button label reflects rename when applicable
- Gray out main UI while strip/rename is in progress

Models/QueuedFileItem.cs

@@ -3,6 +3,7 @@ using System.Collections.Specialized;
 using System.ComponentModel;
 using System.IO;
 using System.Runtime.CompilerServices;
+using Futonizer.Services;
 
 namespace Futonizer.Models;
 
@@ -32,6 +33,13 @@ public class QueuedFileItem : INotifyPropertyChanged
 
     public string FilePath { get; }
     public string FileName => Path.GetFileName(FilePath);
+
+    /// <summary>
+    /// The filename as it will appear after rename adjustments (release-tag prefix
+    /// and/or show-name injection).  Equals <see cref="FileName"/> when no
+    /// changes would be applied.
+    /// </summary>
+    public string DisplayFileName => FileNameHelper.ComputeOutputFileName(FilePath);
     public string FileSizeDisplay { get; }
     public ObservableCollection<TrackItem> Tracks { get; } = new();