bug fix

Containers/plate_controller.gd

@@ -30,6 +30,13 @@ func _process(_delta: float) -> void:
 
 
 func _set_contained_ids(value: Array[String]) -> void:
+	# Only rebuild when the contents actually changed. This property is
+	# replicated in ALWAYS mode, so the synchronizer assigns it every network
+	# tick on every peer that doesn't own the plate — and refresh_visuals()
+	# frees and re-instantiates a scene per item each time. That was thousands
+	# of throwaway nodes per run (and a log line from each one's NetPickable).
+	if contained_ids == value:
+		return
 	contained_ids = value
 	# Deferred: this can be written by the replicated spawn payload before
 	# this node's own @onready vars (container) have resolved.