diff --git a/game/tests/unit/core/effect_words_t1_test.gd b/game/tests/unit/core/effect_words_t1_test.gd
index f0ce4845..2169b743 100644
--- a/game/tests/unit/core/effect_words_t1_test.gd
+++ b/game/tests/unit/core/effect_words_t1_test.gd
@@ -93,4 +93,34 @@ func _init() -> void:
 	fx4.counters_seed({"pain_layers": 7})
 	Kit.check_quiet(fx4.counter("pain_layers") == 7, "seed 回灌：counters_seed 后 adventure 域计数器=7〔专长批 V1〕")
 
+	# ⑦ V4——攒层/计数类件跨事件计数（置计数→事件路径→清零点：round_start 重置/用后清零）
+	var fx5 = EffectEngineScript.new(null)
+	fx5.rebuild([], [], [])
+	fx5._push_trigger("test", "round_row", {"on": "mine_hit",
+		"do": {"kind": "counter_add", "counter_id": "round_mines", "value": 1}}, {})   # 未声明 reset_at——round_start 不重置（声明制对照面）
+	fx5._push_trigger("test", "spend_row", {"on": "treasure_used",
+		"do": {"kind": "counter_spend", "counter_id": "round_mines", "value": 1}}, {})
+	for h in fx5.dispatch("mine_hit", {}):
+		if String(h.get("kind", "")) == "counter_add":
+			fx5.counter_add(String(h.get("counter_id", "")), int(h.get("value", 0)))
+	for h in fx5.dispatch("mine_hit", {}):
+		if String(h.get("kind", "")) == "counter_add":
+			fx5.counter_add(String(h.get("counter_id", "")), int(h.get("value", 0)))
+	Kit.check_quiet(fx5.counter("round_mines") == 2, "V4：跨事件计数累积（两雷两计）〔专长批 V4〕")
+	Kit.check_quiet(fx5.counter_spend("round_mines", 1) and fx5.counter("round_mines") == 1,
+		"V4：counter_spend 写口消耗（用后清零语义承载面）〔专长批 V4〕")
+	fx5.dispatch("round_start", {"round": 2})
+	Kit.check_quiet(fx5.counter("round_mines") == 1,
+		"V4：非 reset 点计数器不受 round_start 影响（reset_at 声明制——round_mines 未声明重置）〔专长批 V4〕")
+	var fx6 = EffectEngineScript.new(null)
+	fx6.rebuild([], [], [])
+	fx6._push_trigger("test", "reset_row", {"on": "mine_hit",
+		"do": {"kind": "counter_add", "counter_id": "helm_layers", "value": 1, "reset_at": "round_start"}}, {})
+	for h in fx6.dispatch("mine_hit", {}):
+		if String(h.get("kind", "")) == "counter_add":
+			fx6.counter_add(String(h.get("counter_id", "")), int(h.get("value", 0)))
+	fx6.dispatch("round_start", {"round": 2})
+	Kit.check_quiet(fx6.counter("helm_layers") == 0,
+		"V4：round_start 重置点清零（订阅行声明 reset_at——安全帽攒层清零语义）〔专长批 V4〕")
+
 	quit(Kit.finish("effect_words_t1"))