feat: add task duration and task commitment

simulation/SimulationManager.gd

@@ -52,13 +52,21 @@ func simulate_tick() -> void:
 	tick_count += 1
 	print("--- Tick ", tick_count, " ---")
 
+	var village_was_changed := false
+
 	for npc in npcs:
 		var old_task := npc.current_task
+		var was_complete := npc.task_complete
+
 		npc.simulate_tick(village)
-		
+
 		if old_task != npc.current_task:
 			npc_task_changed.emit(npc, old_task, npc.current_task)
-		
+
+		if not was_complete and npc.task_complete:
+			village.apply_npc_task(npc)
+			village_was_changed = true
+
 		if DEBUG_LOGS:
 			print(
 				npc.npc_name,
@@ -66,15 +74,21 @@ func simulate_tick() -> void:
 				npc.profession,
 				" | task: ",
 				npc.current_task,
+				" | progress: ",
+				npc.task_progress,
+				"/",
+				npc.task_duration,
+				" | complete: ",
+				npc.task_complete,
 				" | hunger: ",
 				round(npc.hunger),
 				" | energy: ",
 				round(npc.energy)
 			)
-			
-	for npc in npcs:
-		village.apply_npc_task(npc)
+
+	if village_was_changed:
 		village_changed.emit(village)
+
 	if DEBUG_LOGS:
 		print(village.get_summary())