Use worker for research

core/research/worker_summary_label.gd

@@ -0,0 +1,27 @@
+class_name WorkerSummaryLabel
+extends Label
+
+@onready var _game_state: LevelGameState = find_parent("LevelGameState")
+
+signal research_workers_changed(new_count: int)
+
+func _ready() -> void:
+	if _game_state == null:
+		push_error("WorkerSummaryLabel: Could not find LevelGameState parent")
+		return
+	
+	_game_state.currency_changed.connect(_on_currency_changed)
+	_game_state.research_workers_changed.connect(_on_research_workers_changed)
+	_update_worker_display()
+
+func _on_currency_changed(currency_id: StringName, _new_amount: BigNumber) -> void:
+	if currency_id == "worker":
+		_update_worker_display()
+
+func _on_research_workers_changed(new_count: int) -> void:
+	_update_worker_display()
+
+func _update_worker_display() -> void:
+	var worker_currency: int = int(_game_state.get_currency_amount_by_id("worker").mantissa)
+	var research_workers: int = _game_state.get_research_workers()
+	text = "Workers: %d available, %d assigned" % [worker_currency, research_workers]