T4穿刺流+普攻流八件（迭代12——整合定稿S2/S3）：relics.tres填8行（贯穿射击rarest锚点·击杀弹射/连珠矢rare·开格节奏转段数/猎弱本能rare·折扣档前移/猎手刺剑common·pierce-vs-light+1——对重甲无增益正负双修+矿工的执拗common·轮内开格数转攻击踩雷清零/矿工重锤common·命中交换+25%对-2AC/专注rare·免掷骰恒75%方差买断/碎甲震击rare·命中重甲授予off_guard复用零新状态行）；damage_controller掷骰面四改写（重锤threshold减/专注roll改写roll记0归因/猎弱_discount_shift_up折扣表向全额移档/clamp扩pierce_vs_light）+执拗动态rider（dig_streak×value上限cap）+碎甲apply_effect+贯穿射击击杀半额弹射（B模式入队/A模式递归——「溢出追踪」单分量模型不可行半额裁定披露待追认）；orchestrator本轮扫雷事实推导（safe计数/踩雷清零——执拗连珠矢共用取数面）+连珠矢段数攻击后附加单（origin=英雄格——(-1,-1)越界脚本错误事故修复留痕）；冒烟+2断言表换代16行→692/0三闸+run_all全绿

game/core/damage_controller.gd

@@ -198,14 +198,34 @@ func _resolve_hero_attack(t: Dictionary) -> void:
 	var atk_type: String = String(t.attack_type)
 	var roll_read: Dictionary = _armor_roll()
 	var threshold: int = defender_ac(target) + int(db.settlement.attack_bonus)
+	# 矿工重锤·命中交换（迭代 12 T4 普攻流——正负双修原生形态：命中判定减成 trade_hit 点
+	# 〔更易命中〕换攻击增伤 trade_atk%——高 AC 负期望/低 AC 正期望）
+	var trade_hit := int(relic_flags.get("hit_trade_hit", 0))
+	if trade_hit > 0:
+		threshold = maxi(1, threshold - trade_hit)
 	var crit: bool = bool(roll_read.crit)
 	var discount: int = _roll_discount(int(roll_read.roll), threshold)
+	# 专注（迭代 12 T4 普攻流——免掷骰恒定折扣：方差买断成期望——稳定器人格；roll 记 0 归因）
+	var rewrite := int(relic_flags.get("armor_roll_rewrite", 0))
+	if rewrite > 0:
+		discount = rewrite
+		crit = false
+		roll_read["roll"] = 0
+	# 猎弱本能（迭代 12 T4 穿刺流——对轻甲敌折扣档改善 value 档：对冲 pierce 列 L1 −1 开局罚；
+	# 改善 = 折扣表向全额方向移档，nat 最大面/已全额不重复）
+	var shift := int(relic_flags.get("discount_shift", 0))
+	if shift > 0 and armor == "light" and discount < 100:
+		discount = _discount_shift_up(discount, shift)
 	var cdelta: int = _counter_delta(atk_type, armor) + _relic_clamp_bonus(atk_type, armor)
 	# 淬毒刃纹（迭代 11 同调批 T5——底稿 §3：对被克制敌人的穿刺/魔法直伤 +N；条件 = 克制成立 ×
 	# 攻击类型限定，主角攻击面专属——棋盘克制直伤走 _resolve_board_typed 不吃本加成）
 	if attune_venom > 0 and (atk_type == "pierce" or atk_type == "magic") and cdelta > 0:
 		cdelta += attune_venom
-	var rolled: int = DamageMath.rolled_component(float(t.base_value), discount, crit, int(db.settlement.crit_multiplier), cdelta)
+	var base_value := float(t.base_value)
+	var trade_atk := int(relic_flags.get("hit_trade_atk", 0))
+	if trade_atk > 0:
+		base_value *= 1.0 + float(trade_atk) / 100.0   # 重锤增伤面（交换的正向侧）
+	var rolled: int = DamageMath.rolled_component(base_value, discount, crit, int(db.settlement.crit_multiplier), cdelta)
 	var payload: Dictionary = {"target": String(target.display_name)}
 	payload[atk_type] = rolled   # 分量键 = 实际攻击类型（归因字段，单分量模型）
 	payload["roll"] = int(roll_read.roll)
@@ -227,6 +247,11 @@ func _resolve_hero_attack(t: Dictionary) -> void:
 		for eff in effects.query_active("enemy"):
 			if String(eff.effect_id) == "weaken":
 				hero_rider += nest_aura
+	# 矿工的执拗（迭代 12 T4 普攻流——「排雷排得多好，打得就有多疼」）：本轮安全开格 streak
+	# 〔编排器授予段实时写入 relic_flags.dig_streak；踩雷清零〕×value，上限 cap。
+	var rdig := int(relic_flags.get("round_dig_value", 0))
+	if rdig > 0:
+		hero_rider += mini(int(relic_flags.get("round_dig_cap", 5)), int(relic_flags.get("dig_streak", 0)) * rdig)
 	if hero_rider > 0:
 		if crit and bool(relic_flags.get("rider_crit", false)):
 			hero_rider = int(round(float(hero_rider) * float(db.settlement.crit_multiplier)))
@@ -234,10 +259,29 @@ func _resolve_hero_attack(t: Dictionary) -> void:
 		payload["hero_rider"] = hero_rider
 	units.apply_damage(target, landed)
 	payload["killed"] = not target.alive   # 击杀标记在扣血后取（原语义不变）
+	# 碎甲震击（迭代 12 T4 普攻流——命中重甲附加「护甲裂解」）：复用 off_guard（enemy percent
+	# +25 受伤加深——零新状态行）；apply_effect 域闭/重复授予由状态容器自行守卫。
+	var crack := int(relic_flags.get("crack_value", 0))
+	if crack > 0 and armor == "heavy":
+		effects.apply_effect("off_guard", {"source_class": "relic_armor_crack"}, -1)
+		payload["cracked"] = true
 	var label := _attack_label(String(t.display), crit, discount)
 	if hero_rider > 0:
 		label += "＋奥术%d（必中）" % hero_rider
 	emit_row_cb.call("damage", String(t.source_class), t.origin_cell, int(t.round_index), label, landed, payload, String(t.highlight))
+	# 贯穿射击（迭代 12 T4 穿刺流——击杀溢出弹射）：击杀时对下一存活敌以穿刺类型弹射
+	# 本体半额〔原设计「溢出伤害」追踪在单分量模型不可行——半额弹射 provisional 裁定披露待追认；
+	# 无次敌=弹射落空〕。B 模式入队段尾 flush 兑现；A 模式递归 resolve（目标存活守卫内建）。
+	if bool(payload.get("killed", false)) and int(relic_flags.get("kill_overflow", 0)) > 0:
+		var next_target = units.default_target()
+		if next_target != null:
+			var of_t := open_ticket(DamageController.KIND_BOARD_TYPED, "relic_pierce_shot",
+				"贯穿射击", "board", maxi(int(db.settlement.damage_floor), int(landed / 2)),
+				DamageController.TARGET_FRONT_ALIVE, int(t.round_index), t.origin_cell, "pierce")
+			if policy == POLICY_SEGMENT:
+				_queue.append(of_t)
+			else:
+				_resolve(of_t)
 	_outcomes[int(t.ticket_id)] = "redeemed"
 
 
@@ -355,20 +399,32 @@ func _counter_delta(attack_type: String, armor: String) -> int:
 	return int(row.get(armor, 0))
 
 
-# 克制点直调（迭代 12 T2 魔法流 clamp_modifier 件——克制矩阵查表值后的流派件调整；空旗=0 零扰动）：
-# 魔网织者=magic vs magic（矩阵罚 −1 → 0/正——「对魔法护甲敌获得克制加成」）；湛蓝誓约=magic vs
-# heavy（+1 → +2——「对重甲敌所有魔法伤害克制点 +1」）。hero_attack 与 board_typed 两消费面同享。
+# 克制点直调（迭代 12 T2 魔法流/T4 穿刺流 clamp_modifier 件——克制矩阵查表值后的流派件调整；
+# 空旗=0 零扰动）：魔网织者=magic vs magic（矩阵罚 −1 → 0/正）；湛蓝誓约=magic vs heavy（+1 → +2）；
+# 猎手刺剑=pierce vs light（+1——对轻甲敌穿刺提升，对重甲无增益=正负双修）。hero_attack 与
+# board_typed 两消费面同享。
 func _relic_clamp_bonus(attack_type: String, armor: String) -> int:
-	if attack_type != "magic":
-		return 0
 	var bonus := 0
-	if armor == "magic":
-		bonus += int(relic_flags.get("clamp_magic_magic", 0))
-	elif armor == "heavy":
-		bonus += int(relic_flags.get("clamp_magic_heavy", 0))
+	if attack_type == "magic":
+		if armor == "magic":
+			bonus += int(relic_flags.get("clamp_magic_magic", 0))
+		elif armor == "heavy":
+			bonus += int(relic_flags.get("clamp_magic_heavy", 0))
+	elif attack_type == "pierce":
+		if armor == "light":
+			bonus += int(relic_flags.get("clamp_pierce_light", 0))
 	return bonus
 
 
+# 折扣档改善（迭代 12 T4 猎弱本能——折扣表向全额方向移 value 档；查不到当前档 = 不动防御口径）
+func _discount_shift_up(discount: int, shift: int) -> int:
+	var tbl: Array = db.settlement.roll_tier_discounts
+	var idx := tbl.find(discount)
+	if idx < 0:
+		return discount
+	return int(tbl[mini(tbl.size() - 1, idx + shift)])
+
+
 # 淬毒刃纹 N（迭代 11 同调批 T5——战斗结算 begin_battle 注入；0 = 未装配零扰动）
 var attune_venom: int = 0