Use worker for research

core/research/research_data.gd

@@ -19,6 +19,10 @@ extends Resource
 ## Associated Buff (single buff per research track)
 @export var associated_buff_id: StringName = &""
 
+## Worker Scaling Configuration
+@export var worker_scaling_factor: float = 0.01
+@export var min_workers_for_xp: int = 1
+
 func get_xp_required_for_level(level: int) -> float:
 	return base_xp_required * pow(xp_growth_multiplier, float(maxi(level - 1, 0)))