Keep tvOS player controls visible on pause via on-screen button

Route the on-screen play/pause button through handlePlayPause() so it
follows the same visibility and auto-hide timer logic as the Siri Remote
hardware button: timer stops when paused (controls stay pinned) and
restarts on resume.

Yattee/Views/Player/tvOS/TVPlayerControlsView.swift

@@ -21,6 +21,10 @@ struct TVPlayerControlsView: View {
     let onShowComments: () -> Void
     let onShowDebug: () -> Void
     let onClose: () -> Void
+    /// Called when the on-screen play/pause button is tapped. Parent routes
+    /// through `handlePlayPause()` so visibility/auto-hide timer behave
+    /// consistently with the Siri Remote's hardware Play/Pause button.
+    let onTogglePlayPause: () -> Void
     /// Called when scrubbing state changes - parent should stop auto-hide timer when true
     var onScrubbingChanged: ((Bool) -> Void)?
     /// Pending target time for the bar's accumulating remote-seek flow (arrow
@@ -269,7 +273,7 @@ struct TVPlayerControlsView: View {
 
                 Button {
                     playPauseTapCount += 1
-                    playerService?.togglePlayPause()
+                    onTogglePlayPause()
                 } label: {
                     Image(systemName: playPauseIcon)
                         .font(.system(size: 32, weight: .semibold))

Yattee/Views/Player/tvOS/TVPlayerView.swift

@@ -232,6 +232,7 @@ struct TVPlayerView: View {
                 onShowComments: { showDetailsPanel(tab: .comments) },
                 onShowDebug: { showDebugOverlay() },
                 onClose: { closeVideo() },
+                onTogglePlayPause: { handlePlayPause() },
                 onScrubbingChanged: { scrubbing in
                     isScrubbing = scrubbing
                     if scrubbing {