refactor: separate action system responsibilities

tests/jajce_world_scaffold_test.gd

@@ -87,26 +87,30 @@ func _run() -> void:
 				"Jajce navigation path should exist from %s to %s" % [origin, destination]
 			)
 
+	var adapter := ActiveWorldAdapter.new()
+	root.add_child(adapter)
 	var manager: Node = load("res://simulation/SimulationManager.gd").new()
 	manager.debug_logs = false
+	manager.active_world_adapter = adapter
 	root.add_child(manager)
 	manager.set_process(false)
 	await process_frame
-	var selected: ResourceNode = manager.acquire_resource_target(
-		SimulationIds.ACTION_GATHER_FOOD,
-		777,
-		Vector3.ZERO
+	var npc: SimNPC = manager.npcs[0]
+	npc.set_task(SimulationIds.ACTION_GATHER_FOOD)
+	_check(
+		manager.resolve_npc_target(npc.id, Vector3.ZERO),
+		"Target resolver should find Jajce resources without a parent path"
 	)
-	_check(selected != null, "Target discovery should find Jajce resources without a parent path")
+	var selected := ResourceNode.get_by_id(npc.target_id)
 	if selected != null:
 		var selected_state: ResourceStateRecord = manager.get_resource_state(
 			selected.node_id
 		)
 		_check(
-			selected_state.get_reserved_by() == 777,
+			selected_state.get_reserved_by() == npc.id,
 			"Selected Jajce resource should be authoritatively reserved"
 		)
-		manager.release_resource(selected.node_id, 777)
+		manager.release_resource(selected.node_id, npc.id)
 
 	if failures.is_empty():
 		print("[TEST] Jajce scaffold passed: Terrain3D, stable IDs, 24 navigation routes")