Make unplayable tvOS media files focusable with unsupported alert

Yattee/Localizable.xcstrings

@@ -4953,6 +4953,26 @@
         }
       }
     },
+    "mediaBrowser.unsupportedFile.title" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Unsupported file"
+          }
+        }
+      }
+    },
+    "mediaBrowser.unsupportedFile.message %@" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "%@ cannot be played. This file type is not supported."
+          }
+        }
+      }
+    },
     "mediaBrowser.sort.dateCreated" : {
       "localizations" : {
         "en" : {

Yattee/Views/MediaBrowser/MediaBrowserView.swift

@@ -22,6 +22,9 @@ struct MediaBrowserView: View {
     @State private var sortOrder: MediaBrowserSortOrder
     @State private var sortAscending: Bool
     @State private var showViewOptions = false
+    #if os(tvOS)
+    @State private var unsupportedFile: MediaFile?
+    #endif
 
     private var listStyle: VideoListStyle {
         appEnvironment?.settingsManager.listStyle ?? .inset
@@ -165,7 +168,13 @@ struct MediaBrowserView: View {
                                     } else if file.isPlayable {
                                         playableFileRow(for: file)
                                     } else {
+                                        #if os(tvOS)
+                                        MediaFileTVOSUnsupportedButton(onTap: { unsupportedFile = file }) {
+                                            MediaFileRow(file: file, sortOrder: sortOrder)
+                                        }
+                                        #else
                                         MediaFileRow(file: file, sortOrder: sortOrder)
+                                        #endif
                                     }
                                 }
                             }
@@ -174,6 +183,20 @@ struct MediaBrowserView: View {
                     .padding(.top, 16)
                 }
             )
+            #if os(tvOS)
+            .alert(
+                String(localized: "mediaBrowser.unsupportedFile.title"),
+                isPresented: Binding(
+                    get: { unsupportedFile != nil },
+                    set: { if !$0 { unsupportedFile = nil } }
+                ),
+                presenting: unsupportedFile
+            ) { _ in
+                Button(String(localized: "common.ok"), role: .cancel) { unsupportedFile = nil }
+            } message: { file in
+                Text(String(localized: "mediaBrowser.unsupportedFile.message \(file.name)"))
+            }
+            #endif
     }
 
     @ViewBuilder

Yattee/Views/MediaBrowser/MediaFileTapModifier.swift

@@ -35,6 +35,17 @@ struct MediaFileTVOSTapButton<Label: View>: View {
         .buttonStyle(.plain)
     }
 }
+
+/// tvOS-only: wraps an unplayable row in a Button so the focus engine can land on it.
+struct MediaFileTVOSUnsupportedButton<Label: View>: View {
+    let onTap: () -> Void
+    @ViewBuilder let label: () -> Label
+
+    var body: some View {
+        Button(action: onTap) { label() }
+            .buttonStyle(.plain)
+    }
+}
 #else
 /// iOS/macOS: per-region gesture used by MediaFileRow's icon and text areas.
 /// Only attaches a gesture when the action differs from `.playVideo`, letting