规范了事件系统，完成了实现计分板赋值逻辑

data/fz/functions/event/player/on_villager_trade.mcfunction

@@ -0,0 +1,10 @@
+# 调用者：advancements/fz:~
+
+## 调试
+execute if score fz.logger.level fz.variable.integer matches ..400 run tellraw @a [{"nbt": "fz.level.debug", "interpret": true, "storage": "fz:logger"}, {"text": "事件已触发：玩家"}, {"selector": "@s"}, {"text": "与村民交易"}]
+
+## 运行事件
+function #fz:event/player/on_villager_trade
+
+## 重置事件进度
+advancement revoke @s only fz:event/on_villager_trade