fix(overlay): Linux X11/XWayland stacking, stale pause state, multi-copy selector (#101)

plugin/subminer/state.lua

@@ -33,6 +33,10 @@ function M.new()
 		auto_play_ready_should_resume_playback = false,
 		auto_play_ready_timeout = nil,
 		auto_play_ready_osd_timer = nil,
+		auto_play_ready_signal_seen = false,
+		auto_play_ready_initial_pause_ownership_consumed = false,
+		pending_visible_overlay_hide_timer = nil,
+		pending_visible_overlay_hide_generation = 0,
 		suppress_ready_overlay_restore = false,
 		force_ready_overlay_restore = false,
 		visible_overlay_requested = nil,