iter46-卡1：换图系双基座七件批: 七件实装+全局damage_taken统一+BattleRefreshFlow拆件+词表扩签+数据37行——代码域闸全绿

game/core/effect_engine.gd

@@ -12,11 +12,15 @@ extends RefCounted
 const EVENTS := ["dig_reveal", "dig_paid", "seal_hit", "mine_hit", "attack_commit", "clamp_check",
 	"armor_roll", "kill", "damage_taken", "enemy_hp_threshold", "round_start", "seal_settle",
 	"round_end", "reward_roll", "treasure_used", "charge_full", "dig_stop", "battle_won", "seal_missed",
-	"board_installed"]
+	"board_installed",
+	# 换图系双事件（refresh_request=玩家请求刷新〔省力周转 apply_discount 订阅面——折扣只改门槛
+	# 与扣费不改拒绝判据〕；board_refreshed=成功刷新事实〔换图系七件订阅主挂点——装新板后才发射〕）
+	"refresh_request", "board_refreshed"]
 
 ## 扫雷侧事件集（🔴 流派扫雷触发铁律新形态：每流派 ≥1 行订阅本集事件——schema 加载校验。
-## 原 MINE_HOOKS 的同义迁移：挖掘/封印/轮末结算面事件）
-const MINE_EVENTS := ["dig_reveal", "dig_paid", "seal_hit", "mine_hit", "seal_settle", "round_end", "reward_roll"]
+## 原 MINE_HOOKS 的同义迁移：挖掘/封印/轮末结算面事件＋轮内刷新面〔换图系〕）
+const MINE_EVENTS := ["dig_reveal", "dig_paid", "seal_hit", "mine_hit", "seal_settle", "round_end", "reward_roll",
+	"refresh_request", "board_refreshed"]
 
 ## 效果类型词汇（解释器 switch 闭集——词表实数以 EFFECT_KINDS 常量为准，含共享行拆型：
 ## grant_gp/bias_wallet、counter_add/counter_spend、reveal_tiles/remove_mines/refresh_pick、
@@ -40,7 +44,11 @@ const EFFECT_KINDS := ["add_ticket_rider", "modify_ticket", "damage_mult", "open
 	"mine_count_preview",
 	# forgive_seal_miss=完美保险（本场首次封印落空不计入完美
 	# 封印判定——订阅 seal_missed 的豁免效果，消费点在授予段；feats.tres 首例 domain=battle 行）
-	"forgive_seal_miss"]
+	"forgive_seal_miss",
+	# 换图系两效果（grant_reserve_ap=矿脉储能·付费挖格产 RAP〔消费点在行动经济 dig_paid
+	# 受理后一次性入池〕；apply_discount=省力周转·刷新成本折扣〔mode=refresh cost_mult 百分比，
+	# floor 取整——只改门槛与扣费、不改拒绝判据〕）
+	"grant_reserve_ap", "apply_discount"]
 
 ## fact 条件词汇（封闭枚举——payload 同名键直读面〔fact 取值序 payload
 ## 优先——effect_engine._fact_value 既有机制〕。new_resource_type=首开资源类型〔地质学家〕；