T7 死代码与残留清扫段: 16项零争议死代码直删（equivalence_supply/pool_layers/index_of/has_variant/rows_by_pool/SUB_REASONS/ui_kit死色板五常量/reset_requested/set_legend_enabled/is_level_mode/legend.toggle/set_idle×2/COL_PATH/COL_INK/rebuild死守卫/_normalize合并/FACADE并档——删前逐项全仓grep零调用核实，next_candidates有level_autoplay调用存活未删=审计误报纠正）+T17归因件撤除（choices_dbg三段+t17dump两段，T17_LOCK_DEBUG全仓归零）+延迟三件（has_unrevealed下沉/is_item_unlocked访问器/rap残链snapshot面）+文档十件（过期注释/错挂注释/4242文案/README现行化/critical-paths道具窗口退役改写）；闸=冲烟636/0+run_all 15套+八探针全绿

game/data/schemas/reward_table.gd

@@ -44,7 +44,8 @@ func validate() -> Array:
 			errs.append({"category": "enum", "message": "%s polarity 出域: %s" % [rid, pol]})
 		var atk_type: String = String(row.get("attack_type", ""))
 		if atk_type != "" and not ["normal", "pierce", "magic"].has(atk_type):
-			errs.append({"category": "enum", "message": "%s attack_type 出域 {normal, pierce, magic}: %s" % [rid, atk_type]})		# aux 投放行专属校验（迭代 7 T1）：极性恒正/加权入池/effect_id=item_id 非空（悬空在 config_db 跨表层
+			errs.append({"category": "enum", "message": "%s attack_type 出域 {normal, pierce, magic}: %s" % [rid, atk_type]})
+		# aux 投放行专属校验（迭代 7 T1）：极性恒正/加权入池/effect_id=item_id 非空（悬空在 config_db 跨表层
 		# 对 aux_items 词表校验——reward_dangling_aux）/无 power 无区间（数值语义不复用，道具效果读 AuxItemTable）
 		if ctype == AUX_ITEM_TYPE:
 			# 负向行 = 雷格极性字典占位（雷安同池摇号下雷格可摇中 aux 身份——负路由零兑付兜底，
@@ -118,14 +119,6 @@ func validate() -> Array:
 	return errs
 
 
-func rows_by_pool(pool_tag: String) -> Array:
-	var out: Array[Dictionary] = []
-	for row in rows:
-		if row.get("pool_tag", "") == pool_tag:
-			out.append(row)
-	return out
-
-
 func row_by_id(rid: String) -> Dictionary:
 	for row in rows:
 		if row.get("reward_id", "") == rid: