feat: add npc decision inspector

simulation/SimulationManager.gd

@@ -8,6 +8,7 @@ signal npc_travel_requested(npc: SimNPC, target_position: Vector3)
 signal npc_inventory_changed(npc: SimNPC, item_id: StringName, amount: float)
 signal economic_event_recorded(event: EconomicEventRecord)
 signal state_restored
+signal npc_decision_recorded(npc: SimNPC, decision: ActionSelectionResult)
 
 var village := SimVillage.new()
 
@@ -24,6 +25,7 @@ var resource_states: Dictionary = {}
 var storage_states: Dictionary = {}
 var economic_events: Array[EconomicEventRecord] = []
 var next_event_id := 0
+var latest_decisions: Dictionary = {}
 var action_selector := ActionSelectionSystem.new()
 var action_executor := ActionExecutionSystem.new()
 var target_resolver := ActionTargetResolver.new()
@@ -111,6 +113,8 @@ func simulate_tick() -> void:
 		):
 			var selection := action_selector.select_action(npc, village)
 			if selection != null:
+				latest_decisions[npc.id] = selection
+				npc_decision_recorded.emit(npc, selection)
 				npc.set_task(selection.action_id, selection.duration_override)
 
 		if old_task != npc.current_task and old_target != &"":
@@ -679,6 +683,10 @@ func get_state_checksum() -> String:
 	return create_state_record().to_json().sha256_text()
 
 
+func get_latest_decision(npc_id: int) -> ActionSelectionResult:
+	return latest_decisions.get(npc_id)
+
+
 func create_state_record() -> SimulationStateRecord:
 	var record := SimulationStateRecord.new()
 	var wander_streams: Array[Dictionary] = []
@@ -747,6 +755,7 @@ func restore_state(record: SimulationStateRecord) -> bool:
 		storage_states[storage_record.get_storage_id()] = storage_record
 	_sync_village_food()
 	economic_events = record.economic_events.duplicate()
+	latest_decisions.clear()
 
 	npcs.clear()
 	for npc_record in record.npcs: