feat: add physical animal care delivery

simulation/state/NPCStateRecord.gd

@@ -98,6 +98,21 @@ static func from_dictionary(record_data: Dictionary) -> NPCStateRecord:
 		return null
 	if not record_data["inventory"] is Dictionary:
 		return null
+	var normalized_inventory := {}
+	for raw_item_id in record_data["inventory"]:
+		var item_id := str(raw_item_id)
+		var raw_amount = record_data["inventory"][raw_item_id]
+		if typeof(raw_amount) not in [TYPE_INT, TYPE_FLOAT]:
+			return null
+		var amount := float(raw_amount)
+		if (
+			item_id.is_empty()
+			or normalized_inventory.has(item_id)
+			or not is_finite(amount)
+			or amount < 0.0
+		):
+			return null
+		normalized_inventory[item_id] = amount
 	var profession_id := StringName(record_data["profession"])
 	if SimulationDefinitions.get_profession(profession_id) == null:
 		return null
@@ -110,7 +125,9 @@ static func from_dictionary(record_data: Dictionary) -> NPCStateRecord:
 	var last_action_id := StringName(record_data["last_task"])
 	if not last_action_id.is_empty() and SimulationDefinitions.get_action(last_action_id) == null:
 		return null
-	return NPCStateRecord.new(record_data)
+	var normalized := record_data.duplicate(true)
+	normalized["inventory"] = normalized_inventory
+	return NPCStateRecord.new(normalized)
 
 
 static func _migrate_legacy(legacy_data: Dictionary, version: int) -> Dictionary: