test(迁移): 批 B 波 1 G4 套5 fresh 池攻击链三条迁入 roll_multiplier_test.gd——剪切挂载绿（宿主 37 检查）＋变异 3/3 验红（受理守卫恒拒/敌技行改名/乘区池注值）；首轮剪切边界差一行致游离 check 残留 Parse Error，闸01 抓到补删（发现⑦同源教训记账）；smoke_all.gd 同批删函数节头与调用行；闸01 剩余面 981 绿

game/tests/unit/battle_settlement/roll_multiplier_test.gd

@@ -33,6 +33,7 @@ func _init() -> void:
 	_smoke_armor_roll()
 	_smoke_pool_wiring()
 	_smoke_damage_types()
+	_smoke_attack_chain_fresh_pool()
 	quit(Kit.finish("roll_multiplier_test"))
 
 
@@ -424,3 +425,36 @@ func _find_seal_target(minesweeper, want_mine: bool) -> Dictionary:
 				if revealed_set.has(n) and (minesweeper.compute_move_path(n).size() > 0 or n == minesweeper.hero_pos()):
 					return {"seal_cell": c, "hero_cell": n}
 	return {}
+
+
+# ---- 战斗段 fresh 池攻击链回归（playtest-2026-09-12 报告 Bug#2 沉淀——
+# 「Boss 攻击拍零兑现」= 叠满触底 ×0；本断言钉死：
+# 池为空时攻击链必须按掷点档位足额兑现，口径：
+# d_tick = max(damage_floor, pool_damage(floor(基线×档位%), 0, 0))，档位读数随行重建可归因）----
+
+func _smoke_attack_chain_fresh_pool() -> void:
+	print("--- 战斗结算·fresh 池攻击链回归（Bug#2·掷点口径）---")
+	var rng = load("res://core/rng_service.gd").new()
+	rng.set_master_seed(20260913)
+	var settlement = load("res://core/battle_orchestrator.gd").new(_db, rng)
+	var ticks: Array = []   # {baseline, attach, roll, tier, crit, tick}——敌行动伤害行重建
+	settlement.step_row.connect(func(row):
+		if row.type == "damage" and row.source_class == "enemy_action":
+			ticks.append({"baseline": int(row.baseline), "attach": int(row.get("attach", 0)), "roll": int(row.roll),
+				"tier": int(row.tier), "crit": bool(row.get("crit", false)), "tick": int(row.value)}))
+	Kit.check("fresh 池回归战斗启动（Boss 行）",
+		settlement.begin_battle({"level_index": 1, "node_depth": 4, "hero_hp": int(_db.hero.max_hp), "node_type": "boss"}))
+	# 停手轮：零挖掘零封印 → 零授予 → 池恒空；Boss 拍 = 开轮摇号结果（伤害技/普攻兑付伤害行、硬化施放行不计）
+	for i in range(6):
+		if settlement.battle_result != "":
+			break
+		settlement.minesweeper.settle_batch([{"action": "stop"}])
+	Kit.check("非施放攻击拍采样充足（%d 拍——增益施放行零兑付为设计语义不计）" % ticks.size(), ticks.size() >= 2)
+	var all_full := true
+	for t in ticks:
+		var base_factor: float = float(t.tier) * (float(_db.settlement.crit_multiplier) / 100.0 if t.crit else 1.0)
+		var rolled_base := int(floor(float(t.baseline) * base_factor / 100.0))
+		var expected: int = maxi(int(_db.settlement.damage_floor), rolled_base + int(t.get("attach", 0)))
+		if int(t.tick) != expected or int(t.tick) <= 0:
+			all_full = false
+	Kit.check("fresh 池非蓄力拍 d_tick = max(1, 掷点档位基线)（Boss 攻击链健康——Bug#2 回归断言）", all_full)