ui: frost playback titles and hide chrome on pointer exit

Checks/system-playback.swift

@@ -68,11 +68,35 @@ struct SystemPlaybackChecks {
         require(!model.canPerform(.enterCompact), "empty playback does not enable compact entry")
 
         model.open(directory.appendingPathComponent("av.mp4"))
+        if !NSWorkspace.shared.isVoiceOverEnabled {
+            model.setPointerInsideWindow(false)
+            require(!model.controlsVisible, "pointer exit hides playback chrome while media is loading")
+            model.setPointerInsideWindow(true)
+        }
         until("open starts authoritative playback") { model.canTogglePlayback && model.state.status == PLAYER_PLAYING }
         require(center.playbackState == .playing, "playing publishes macOS playback ownership")
         require(model.setPlayback(playing: false), "explicit pause accepted")
         until("pause acknowledged") { model.state.status == PLAYER_PAUSED }
         let pausedPosition = model.state.position
+        if !NSWorkspace.shared.isVoiceOverEnabled {
+            model.setControlsHovered(true)
+            model.setTitleHovered(true)
+            model.setPointerInsideWindow(false)
+            require(!model.controlsVisible,
+                    "pointer exit hides paused playback chrome despite stale hover and inactive window")
+            model.setControlsHovered(false)
+            model.setTitleHovered(false)
+            model.updateWindowState()
+            require(!model.controlsVisible,
+                    "late hover/focus updates cannot reshow chrome while the pointer is outside")
+            model.revealControls(forKeyboardNavigation: true)
+            model.revealControls()
+            require(model.controlsVisible, "Tab navigation can reveal controls without moving the pointer")
+            model.setPointerInsideWindow(false)
+            require(!model.controlsVisible, "another pointer exit dismisses keyboard-revealed controls")
+            model.setPointerInsideWindow(true)
+            require(model.controlsVisible, "pointer reentry reveals paused playback chrome")
+        }
         require(model.setPlayback(playing: false), "repeated pause accepted")
         until("idempotent pause does not restart playback") {
             model.state.status == PLAYER_PAUSED && center.playbackState == .paused