Add tvOS setting to close video with Menu button

When enabled, the Siri remote Menu button stops playback and clears the
queue instead of only collapsing the player, and the explicit top-bar
close (X) button is hidden.

Yattee/Core/Settings/SettingsKey.swift

@@ -24,6 +24,7 @@ enum SettingsKey: String, CaseIterable {
     case preferredAudioLanguage
     case preferredSubtitlesLanguage
     case resumeAction
+    case tvOSMenuButtonClosesVideo
 
     // SponsorBlock
     case sponsorBlockEnabled

Yattee/Core/Settings/SettingsManager+Playback.swift

@@ -48,6 +48,20 @@ extension SettingsManager {
         }
     }
 
+    /// tvOS only: when enabled, the Siri remote Menu button closes the video
+    /// (clears queue, stops playback) instead of only collapsing the player.
+    /// When enabled, the explicit top-bar close button is hidden.
+    var tvOSMenuButtonClosesVideo: Bool {
+        get {
+            if let cached = _tvOSMenuButtonClosesVideo { return cached }
+            return bool(for: .tvOSMenuButtonClosesVideo, default: false)
+        }
+        set {
+            _tvOSMenuButtonClosesVideo = newValue
+            set(newValue, for: .tvOSMenuButtonClosesVideo)
+        }
+    }
+
     /// Whether DASH streams are enabled (MPV only).
     /// Disabled by default as DASH can be unreliable with some Invidious instances.
     var dashEnabled: Bool {

Yattee/Core/SettingsManager.swift

@@ -39,6 +39,7 @@ final class SettingsManager {
     var _preferredSubtitlesLanguage: String?
     var _playerVolume: Float?
     var _resumeAction: ResumeAction?
+    var _tvOSMenuButtonClosesVideo: Bool?
 
     // SponsorBlock
     var _sponsorBlockEnabled: Bool?
@@ -410,6 +411,7 @@ final class SettingsManager {
         _preferredSubtitlesLanguage = nil
         _playerVolume = nil
         _resumeAction = nil
+        _tvOSMenuButtonClosesVideo = nil
         _sponsorBlockEnabled = nil
         _sponsorBlockCategories = nil
         _sponsorBlockAPIURL = nil