迭代46卡A-T3(两件基座): action_economy dig_paid命中环累计grant_reserve_ap(扣费受理后一次性入池·连锁不二次·拒绝轮零入池)+request_refresh收折后价入参(缺省-1=表基线逐位不变)·新建BattleRefreshFlow(可用性门/折价扣费/换图/成功事实——C13拆分边界,_effective_refresh_cost声明序第一命中floor(base×mult/100),can与执行同源)·编排器两公开方法单行转发(删旧刷新体,C10行数只降)·授予段apply_board_refreshed成功事实单点+奖励授予件defer_ticket案C同队列(类变量零增员)+来源豁免fx_board_refresh·feats.tres+2基座行(矿脉储能/省力周转·excellent·cap1)·T3四专项+V12侧全绿·round_flow 134 checks回归绿

game/core/action_economy.gd

@@ -93,11 +93,29 @@ func request_dig(chain_size: int, clears_map: bool) -> bool:
 		_reject("phase")
 		return false
 	var cost := _cost("dig")
-	# dig_paid 发射+施加（付费开掘发起、动作经济闸收对价前：
+	# dig_paid 发射+施加（付费开掘发起、动作经济闸收对价前——施加单点 _apply_dig_paid_hits）：
 	# counter_spend 命中=尝试加收对价并积计数；资源不足走 fallback/耗尽即止=只付常规基础对价。
-	# counter_add〔双管镐 付费挖格计数〕/ grant_ap〔每第 2 次返 1 AP——对价减免，
-	# mod_eq 闸在行 when〕同面施加）
+	var apply_res := _apply_dig_paid_hits(cost)
+	cost = int(apply_res["cost"])
+	if _ap < cost:
+		_reject("resource_face")
+		return false   # 拒绝轮零入池（矿脉储能只在扣费受理后兑付——C2 成功才登记同款纪律）
+	if int(apply_res["refund"]) > 0:
+		cost = maxi(0, cost - int(apply_res["refund"]))   # 返还=对价减免（净费不低于 0——免费开格不产生负对价）
+	var accepted := _spend_cost_and_arbitrate(cost, clears_map)
+	if accepted and int(apply_res["rap_gain"]) > 0:
+		grant_reserve_ap(int(apply_res["rap_gain"]))   # 每次受理的付费挖格产 RAP（一次性入池——每动作恰一挖，连锁不二次）
+	return accepted
+
+
+# dig_paid 命中施加单点（迭代 46 卡A T3 自 request_dig 迁出——分支本体逐字保留：
+# counter_spend 加收对价并积计数/counter_add 施加〔双管镐 付费挖格计数〕/
+# grant_ap 对价减免〔每第 2 次返 1 AP——mod_eq 闸在行 when〕/grant_reserve_ap 矿脉储能累计；
+# 命中序=声明序不变。返回 {cost, refund, rap_gain} 交受理面消费）
+func _apply_dig_paid_hits(base_cost: int) -> Dictionary:
+	var cost := base_cost
 	var dig_refund := 0
+	var rap_gain := 0
 	if _fx != null:
 		for h in _fx.dispatch(_ctx, "dig_paid", {"ap_cost": cost, "ap_surplus": _ap - cost}):
 			if String(h.get("kind", "")) == "counter_spend":
@@ -110,12 +128,9 @@ func request_dig(chain_size: int, clears_map: bool) -> bool:
 				EffectEngine.counter_add(_ctx, String(h.get("counter_id", "")), int(h.get("value", 0)) if set_v == null else int(set_v), set_v != null)
 			elif String(h.get("kind", "")) == "grant_ap":
 				dig_refund += int(h.get("value", 0))
-	if _ap < cost:
-		_reject("resource_face")
-		return false
-	if dig_refund > 0:
-		cost = maxi(0, cost - dig_refund)   # 返还=对价减免（净费不低于 0——免费开格不产生负对价）
-	return _spend_cost_and_arbitrate(cost, clears_map)
+			elif String(h.get("kind", "")) == "grant_reserve_ap":
+				rap_gain += int(h.get("value", 0))
+	return {"cost": cost, "refund": dig_refund, "rap_gain": rap_gain}
 
 
 func _spend_cost_and_arbitrate(cost: int, clears_map: bool) -> bool:
@@ -196,13 +211,15 @@ func finish_round_stop(transfer: bool, transfer_pct: int = 100) -> void:
 # 轮内刷新：唯一入口 =
 # Active 相位——仅扣 RAP，相位与 AP 均不动。刷新不打断轮次、不触发结算；换图编排归 战斗结算
 # （retire + install 立即执行，玩家同轮继续挖新图）。决策主体 = 玩家（经 HUD框架发起）纪律不变。
-func request_refresh() -> bool:
+# cost_override=折后价入参（迭代 46 卡A T3——BattleRefreshFlow 折价读数传入；缺省 -1=表基线逐位不变）
+func request_refresh(cost_override: int = -1) -> bool:
 	if _phase != Phase.ACTIVE:
 		_reject("phase")
 		return false
-	if _rap < db.run.action_economy.rap_refresh_cost:
+	var cost := int(db.run.action_economy.rap_refresh_cost) if cost_override < 0 else cost_override
+	if _rap < cost:
 		return false   # EC13 资源不足拒绝——合法相位内资源拒绝，非编排错误
-	_rap -= db.run.action_economy.rap_refresh_cost
+	_rap -= cost
 	return true
 
 

game/core/battle_orchestrator.gd

@@ -31,8 +31,9 @@ signal settlement_snapshot(snap: Dictionary)   ## 每结算末尾的全量状态
 const SOURCE_EXEMPT_TYPES := ["decay", "verdict"]
 # 行来源断言豁免集合（来源类别层）——事实来源是单位 / 清图而非棋盘格；
 # fx_reveal=专长揭示掷格（落空行无真实格）；
-# fx_grant_gp=专长·GP 入账（钱包面而非棋盘面，行无格子可指）
-const SOURCE_EXEMPT_CLASSES := ["hero_attack", "enemy_action", "clear_reward", "fx_reveal", "fx_grant_gp"]
+# fx_grant_gp=专长·GP 入账（钱包面而非棋盘面，行无格子可指）；
+# fx_board_refresh=成功刷新事实族（迭代 46 卡A——崩壁冲击群伤行源=换图动作而非棋盘格）
+const SOURCE_EXEMPT_CLASSES := ["hero_attack", "enemy_action", "clear_reward", "fx_reveal", "fx_grant_gp", "fx_board_refresh"]
 
 var _facts: BattleFacts   # 战斗事实件（battle_facts.gd——事实族 15 成员单点）
 var _rounds: RoundCycle   # 轮循环驱动件（settlement/round_cycle.gd——五段持有/段序/重入闸/摇号）
@@ -596,26 +597,17 @@ func _exit_distribution() -> void:
 	round_started.emit(round_index)
 
 
-# 呈现层查询面（HUD 刷新按钮可用性）——挖掘期唯一通道
+# 呈现层查询面（HUD 刷新按钮可用性）——挖掘期唯一通道（折价成本同源：判据归 BattleRefreshFlow）
 func can_refresh() -> bool:
-	return battle_result == "" \
-		and _facts.refresh_used < int(db.run.action_economy.refresh_cap_per_round) \
-		and action_economy.phase == action_economy.PHASE_ACTIVE \
-		and action_economy.rap >= int(db.run.action_economy.rap_refresh_cost)
+	return BattleRefreshFlow.can_refresh(self)
 
 
 # 玩家经 HUD框架发起、战斗结算 代理调用（禁止 RAP 满自动刷）。
-# 挖掘期唯一通道：Active 相位立即换图
-# 继续挖（RAP -8；AP 保留、相位不动、不触发结算）；非挖掘期请求一律拒绝——非清图轮恒同图。
+# 挖掘期唯一通道：Active 相位立即换图继续挖（RAP 按折后价扣；AP 保留、相位不动、不触发结算）；
+# 非挖掘期请求一律拒绝——非清图轮恒同图。刷新门/折价扣费/换图/成功事实归 BattleRefreshFlow
+# （迭代 46 卡A T3 拆出——编排器入口与唯一通道不变，C10 结构预算只降不升）。
 func player_request_refresh() -> bool:
-	if not can_refresh():
-		return false
-	if not action_economy.request_refresh():
-		return false
-	_facts.refresh_used += 1
-	_reward_economy.retire_mapping()          # 旧图批次退役（地图战斗资源 Ready→retired；E6 新批重置前提）
-	minesweeper.retire_board(true)        # 旧板退役（轮内通道）
-	return _install_and_reset(true)   # 当场换图——失败即编排违例 fail-fast
+	return BattleRefreshFlow.execute(self)
 
 
 func _battle_over(result: String) -> void:

game/core/reward_grant.gd

@@ -365,6 +365,12 @@ func outcome_of(ticket_id: int) -> String:
 	return "redeemed" if ticket_id < 0 else damage.outcome(ticket_id)
 
 
+# 延迟单据入队（迭代 46 卡A T4——成功刷新的崩壁冲击群伤单走案C 同队列：授予段闸外唯一入口，
+# 战斗段末 _board_deferred_settle 按开单序补提交统一结账；类变量零增员——复用 defer.queue）
+func defer_ticket(t: Dictionary) -> void:
+	(defer.queue as Array).append(t)
+
+
 # 主角直伤单据（反噬/治疗包负向——无类型必中，下限保底在控制器管线内）
 func _submit_flat_hero(display: String, power: int, att: Dictionary, sync: bool) -> String:
 	var t := damage.open_ticket(DamageController.KIND_BOARD_FLAT_HERO, String(att.get("source_class", "")), display,

game/core/settlement/battle_refresh_flow.gd

@@ -0,0 +1,43 @@
+class_name BattleRefreshFlow
+extends RefCounted
+## 换图刷新流程件（迭代 46 卡A T3/T4 自编排器拆出）：刷新可用性门、折价扣费、换图执行与成功事实登记。
+## 拆分边界（需求卡片 C13）：本件只负责可用性、扣费、换图与成功事实登记——七件效果的算法留在
+## 效果引擎、授予段与伤害控制器。调用路径＝呈现层→编排器单行转发→本件→行动经济／装板壳／授予段。
+## 反自动刷新（C11）：只经玩家入口发起，禁 RAP 满自动刷——编排器公开面单行转发，无自动调用点。
+## 成功序钉死（T4）：折价扣 RAP→refresh_used+1→旧资源退役→旧板退役→装新板→授予段成功事实发射；
+## 装板失败返回 false 且零效果——成功事实只在新板就位后发射。
+
+
+## 折价成本读数（refresh_request 命中省力周转 apply_discount——只认 kind==apply_discount 且
+## mode==refresh，取声明序第一命中，floor(base×cost_mult/100)；无命中=表基线逐位不变。
+## can_refresh 与 execute 同源取数〔V3——can 与执行同源判断〕；折扣只改变门槛与扣费，
+## 不改变拒绝判据〔C2——每轮上限与相位判据照旧〕）
+static func _effective_refresh_cost(oc: BattleOrchestrator) -> int:
+	var base := int(oc.db.run.action_economy.rap_refresh_cost)
+	for h in oc.fx_host().fx_emit("refresh_request", {"mode": "refresh", "base": base}):
+		if String(h.get("kind", "")) == "apply_discount" and String(h.get("mode", "")) == "refresh":
+			return int(floor(float(base) * float(int(h.get("cost_mult", 100))) / 100.0))
+	return base
+
+
+## 可用性门（HUD 刷新按钮同源判据）：战斗未终局、每轮上限未满、Active 相位、RAP 抵折后价。
+static func can_refresh(oc: BattleOrchestrator) -> bool:
+	return oc.battle_result == "" \
+		and oc._facts.refresh_used < int(oc.db.run.action_economy.refresh_cap_per_round) \
+		and oc.action_economy.phase == oc.action_economy.PHASE_ACTIVE \
+		and oc.action_economy.rap >= _effective_refresh_cost(oc)
+
+
+## 执行（玩家请求刷新唯一通道体）：扣费受理后继续；扣费拒绝/门拒零效果零事实。
+static func execute(oc: BattleOrchestrator) -> bool:
+	if not can_refresh(oc):
+		return false
+	if not oc.action_economy.request_refresh(_effective_refresh_cost(oc)):
+		return false
+	oc._facts.refresh_used += 1
+	oc._reward_economy.retire_mapping()          # 旧图批次退役（地图战斗资源 Ready→retired；E6 新批重置前提）
+	oc.minesweeper.retire_board(true)            # 旧板退役（轮内通道）
+	if not oc._install_and_reset(true):          # 当场换图——失败即编排违例 fail-fast（零成功事实）
+		return false
+	oc._rounds._grant_seg.apply_board_refreshed(oc.round_index)   # 成功事实：新板就位后一次发射
+	return true

game/core/settlement/grant_segment.gd

@@ -33,6 +33,27 @@ func run(ri: int) -> void:
 	_round_end_apply(ri)
 
 
+# 成功刷新事实发射+施加（迭代 46 卡A T4——BattleRefreshFlow 装新板后单点调用，每成功刷新恰一次；
+# 拒绝刷新零事实〔C2〕。命中消费三面：counter_add→既有单点落账〔蓄力周转/石层缓冲/坑道小憩 计数〕；
+# grant_gp→战斗内缓冲 escrow 入账＋fx_grant_gp 行〔矿道红利——不绑清图奖励，C7〕；
+# open_ticket channel=blast→崩壁冲击群伤单延迟入队〔案C 同队列，战斗段末按存活目标结账〕）
+func apply_board_refreshed(ri: int) -> void:
+	var br_hits := fx_host.fx_emit("board_refreshed", {"round": ri})
+	for h in br_hits:
+		if String(h.get("kind", "")) == "counter_add":
+			_apply_counter_hit(h)
+	for h in br_hits:
+		if String(h.get("kind", "")) == "grant_gp":
+			reward_grant.escrow += int(h.get("value", 0))
+			oc._emit_row({"type": "effect", "source_class": "fx_grant_gp", "origin_cell": Vector2i(-1, -1)}, ri, "专长·GP 入账 +%d" % int(h.get("value", 0)), int(h.get("value", 0)), {"effect_id": "fx_grant_gp", "escrow": reward_grant.escrow})
+	for h in br_hits:
+		if String(h.get("kind", "")) == "open_ticket" and String(h.get("channel", "")) == "blast":
+			var bb_t := oc._damage.open_ticket(DamageController.KIND_BOARD_BLAST, "fx_board_refresh", "崩壁冲击",
+				{"channel": "board", "base_value": int(h.get("value", 0)), "target_rule": DamageController.TARGET_ALL_ALIVE,
+				"ri": ri, "origin_cell": Vector2i(-1, -1)})
+			reward_grant.defer_ticket(bb_t)
+
+
 # 开格/踩雷兑付批（轮 facts_reveals 资源事件序：safe 正向乘区兑付 / mine_hit 减半负向兑付）
 func _reveal_batch(ri: int) -> void:
 	for evt in oc._facts.reveals:

game/data/tables/feats.tres

@@ -869,5 +869,38 @@ rows = [
     }
    }
   ]
+ },
+ {
+  "feat_id": "vein_reserve",
+  "display_name": "矿脉储能",
+  "rarity": "excellent",
+  "cap": 1,
+  "desc": "挖格储能：每次受理的付费挖格 +1 储备点（RAP）",
+  "triggers": [
+   {
+    "on": "dig_paid",
+    "do": {
+     "kind": "grant_reserve_ap",
+     "value": 1
+    }
+   }
+  ]
+ },
+ {
+  "feat_id": "easy_swap",
+  "display_name": "省力周转",
+  "rarity": "excellent",
+  "cap": 1,
+  "desc": "刷新半价：弃图刷新成本为基线 50%",
+  "triggers": [
+   {
+    "on": "refresh_request",
+    "do": {
+     "kind": "apply_discount",
+     "mode": "refresh",
+     "cost_mult": 50
+    }
+   }
+  ]
  }
 ]

game/tests/unit/battle_settlement/refresh_feats_test.gd

@@ -28,6 +28,10 @@ func _init() -> void:
 	_install_dt_probe()
 	test_all_hero_damage_paths_emit_once()
 	test_no_duplicate_damage_taken_event()
+	test_reserve_on_accepted_dig()
+	test_refresh_discount_gate_and_charge()
+	test_double_base_stack()
+	test_no_feats_baseline()
 	quit(Kit.finish("refresh_feats_test"))
 
 
@@ -232,3 +236,113 @@ func test_no_duplicate_damage_taken_event() -> void:
 	orch2.minesweeper.settle_batch([{"action": "stop"}])
 	Kit.check("ND 地形路径零重复（行 %d=计数 %d——context 标记闸失效即计数翻倍）〔换图系批 V5〕" % [rows2.size(), _probe_count(orch2)],
 		rows2.size() >= 1 and _probe_count(orch2) == rows2.size())
+
+
+# ---- V2/V3 两件基座（迭代 46 卡A T3）----
+
+# 表驱动停手攒 RAP（每轮 1:1 转存——无转存率订阅缺省）
+func _bank_rap(orch, rounds_n: int) -> void:
+	for _i in rounds_n:
+		orch.minesweeper.settle_batch([{"action": "stop"}])
+
+
+# AutoPlayer 单次付费挖格（真实挖掘入口——移位+dig 一动作）
+func _auto_dig(orch) -> void:
+	var plan = AutoPlayer.choose_dig(orch.minesweeper)
+	if not plan.is_empty():
+		if plan.hero_cell != orch.minesweeper.hero_pos():
+			orch.minesweeper.settle_batch([{"action": "move", "cell": plan.hero_cell}])
+		orch.minesweeper.settle_batch([{"action": "dig", "cell": plan.dig_cell}])
+
+
+# V2 矿脉储能：受理的付费挖格 RAP 恰 +1、AP 按表扣、板资源不变
+func test_reserve_on_accepted_dig() -> void:
+	print("--- V2 矿脉储能：付费挖格产 RAP ---")
+	var orch = _orch(46021)
+	Kit.check("V2 前置：战斗受理", orch.begin_battle(_enc(["vein_reserve"])))
+	_bank_rap(orch, 1)
+	var rap_before: int = orch.action_economy.rap
+	var ap_before: int = orch.action_economy.ap
+	_auto_dig(orch)
+	var dig_cost: int = int(_db.run.action_economy.dig_ap_cost)
+	Kit.check("V2 受理付费挖格 RAP 恰 +1（%d→%d）〔换图系批 V2〕" % [rap_before, orch.action_economy.rap],
+		orch.action_economy.rap == rap_before + 1)
+	Kit.check("V2 AP 按表扣（%d→%d，dig 价 %d）〔换图系批 V2〕" % [ap_before, orch.action_economy.ap, dig_cost],
+		orch.action_economy.ap == ap_before - dig_cost)
+	Kit.check("V2 受理记账闭合：AP 耗尽轮 RAP 增量恰等于受理挖数（AP 消耗数——每受理恰 +1，未受理零入池）〔换图系批 V2〕",
+		_drain_round_rap_accounting(orch))
+
+
+# V2 辅证：挖到 AP 耗尽——RAP 增量 == 受理挖数（每受理恰 +1；移位耗 AP 不入账故按挖计数）
+func _drain_round_rap_accounting(orch) -> bool:
+	var rap0: int = orch.action_economy.rap
+	var digs := 0
+	var guard := 24
+	while orch.action_economy.phase == "Active" and guard > 0:
+		guard -= 1
+		var plan = AutoPlayer.choose_dig(orch.minesweeper)
+		if plan.is_empty():
+			break
+		if plan.hero_cell != orch.minesweeper.hero_pos():
+			orch.minesweeper.settle_batch([{"action": "move", "cell": plan.hero_cell}])
+		if orch.action_economy.phase != "Active":
+			break   # 移位耗尽 AP 收轮——本轮不再有受理挖
+		orch.minesweeper.settle_batch([{"action": "dig", "cell": plan.dig_cell}])
+		digs += 1
+	return digs > 0 and orch.action_economy.rap - rap0 == digs
+
+
+# V3 省力周转：折价门槛与扣费（can 与执行同源；base 8→扣 4）
+func test_refresh_discount_gate_and_charge() -> void:
+	print("--- V3 省力周转：折价门槛与扣费 ---")
+	var orch = _orch(46022)
+	Kit.check("V3 前置：战斗受理", orch.begin_battle(_enc(["easy_swap"])))
+	_bank_rap(orch, 1)
+	var base_cost: int = int(_db.run.action_economy.rap_refresh_cost)
+	var discounted: int = int(floor(float(base_cost) * 50.0 / 100.0))
+	var rap0: int = orch.action_economy.rap
+	Kit.check("V3 门同源：can_refresh 与折后价同源（RAP %d ≥ 折后 %d）〔换图系批 V3〕" % [rap0, discounted],
+		orch.can_refresh())
+	Kit.check("V3 第 1 次刷新受理", orch.player_request_refresh())
+	Kit.check("V3 折后单次扣费（%d→%d，−%d）〔换图系批 V3〕" % [rap0, orch.action_economy.rap, discounted],
+		orch.action_economy.rap == rap0 - discounted)
+	Kit.check("V3 第 2 次刷新受理（RAP=%d）" % orch.action_economy.rap, orch.player_request_refresh())
+	Kit.check("V3 两次折后扣费累计（RAP=%d=%d−2×%d）〔换图系批 V3〕" % [orch.action_economy.rap, rap0, discounted],
+		orch.action_economy.rap == rap0 - 2 * discounted)
+	Kit.check("V3 门槛拒：RAP 不足折后价零受理（can=false 且执行拒）〔换图系批 V3〕",
+		orch.action_economy.rap < discounted and not orch.can_refresh() and not orch.player_request_refresh())
+
+
+# V3 双基座叠加：挖格产 RAP 与刷新折价同场生效
+func test_double_base_stack() -> void:
+	print("--- V3 双基座叠加 ---")
+	var orch = _orch(46023)
+	Kit.check("V3 前置：战斗受理", orch.begin_battle(_enc(["vein_reserve", "easy_swap"])))
+	_bank_rap(orch, 1)
+	var rap_before: int = orch.action_economy.rap
+	var base_cost: int = int(_db.run.action_economy.rap_refresh_cost)
+	_auto_dig(orch)
+	Kit.check("V3 双基座：挖格产 RAP +1（%d→%d）〔换图系批 V3〕" % [rap_before, orch.action_economy.rap],
+		orch.action_economy.rap == rap_before + 1)
+	var rap_after_dig: int = orch.action_economy.rap
+	Kit.check("V3 双基座：刷新按折后价扣（−%d）〔换图系批 V3〕" % int(base_cost / 2),
+		orch.player_request_refresh() and orch.action_economy.rap == rap_after_dig - int(base_cost / 2))
+
+
+# V12（refresh_feats 侧）：无专长基线——挖格零产 RAP、刷新按表基线扣、AP 保留、上限照旧
+func test_no_feats_baseline() -> void:
+	print("--- V12 无专长基线（refresh_feats 侧） ---")
+	var orch = _orch(46024)
+	Kit.check("V12 前置：战斗受理", orch.begin_battle(_enc([])))
+	_bank_rap(orch, 3)
+	var rap_before: int = orch.action_economy.rap
+	var ap_before: int = orch.action_economy.ap
+	var base_cost: int = int(_db.run.action_economy.rap_refresh_cost)
+	_auto_dig(orch)
+	Kit.check("V12 无基座：挖格零产 RAP（%d 不变）〔换图系批 V12〕" % rap_before, orch.action_economy.rap == rap_before)
+	Kit.check("V12 刷新受理并按表基线扣（−%d）〔换图系批 V12〕" % base_cost,
+		orch.player_request_refresh() and orch.action_economy.rap == rap_before - base_cost)
+	Kit.check("V12 AP 保留、相位 Active（基线刷新不重置）〔换图系批 V12〕",
+		orch.action_economy.ap == ap_before - int(_db.run.action_economy.dig_ap_cost) and orch.action_economy.phase == "Active")
+	Kit.check("V12 每轮上限照旧：第 3 次拒（RAP 足额仍拒）〔换图系批 V12〕",
+		orch.player_request_refresh() and not orch.player_request_refresh())