Add collectable types and implement level unlocking mechanics; enhance player state management

scripts/components/unlock_on_requirement_component.gd

@@ -0,0 +1,26 @@
+class_name UnlockOnRequirementComponent
+extends Node
+
+@export var requirement_component: RequirementComponent
+@export var unlock_target: Node
+
+
+func _ready() -> void:
+	if not requirement_component:
+		printerr("UnlockOnRequirementComponent: requirement_component is not set.")
+		return
+
+	if not unlock_target:
+		printerr("UnlockOnRequirementComponent: unlock_target is not set.")
+		return
+
+	requirement_component.requirement_met.connect(on_requirement_met)
+
+
+func on_requirement_met(requirement_type: CollectableResource.CollectableType) -> void:
+	if requirement_type == requirement_component.requirement_type:
+		if unlock_target.has_method("unlock"):
+			unlock_target.unlock()
+		else:
+			printerr("UnlockOnRequirementComponent: unlock_target does not have an unlock method.")
+