卡①T5(核心数据面结构收敛批): 存档域拆件——SlotStore建件(槽位族10公开+槽位态随迁+_migrate_legacy_save/_copy_file/_remove_file随迁,_rename_overwrite留save IO单点)/MetaStateStore建件(写口原语13+只读投影6+add_keystone私有)/save_manager瘦身(52→7公开:load_from_disk/write_to_disk/register_migration+断点族4;_load_parsed/_peek_migrated读盘域提取,迁移链文案经fail数组逐字带出;类变量6)/全域改址449处(槽位族→save.slots.,元进度族→save.meta_state.,读面投影改形career/tree/forge/attune_state;meta转发与GainJournal.vision_used按卡留T6);[用户特许2026-10-28:本批测试动作移交用户,套件与闸停跑,实现继续]

game/sim/verifier_batch.gd

@@ -172,13 +172,13 @@ func _seg_campaign(db, autoplay, logger, opt: Dictionary, counts: Dictionary) ->
 			row["keystone_income"] = int(settle.total)
 			row["purchases"] = _spend(meta, String(opt.spend))
 			row["keystone_after"] = meta.keystone_balance()
-			row["tree"] = {"sp_hp": meta.save.tree_level("sp_hp"), "sp_hit": meta.save.tree_level("sp_hit")}
+			row["tree"] = {"sp_hp": meta.save.meta_state.tree_state().nodes.get("sp_hp", 0), "sp_hit": meta.save.meta_state.tree_state().nodes.get("sp_hit", 0)}
 			row["new_unlocks"] = settle.new_unlocks
 			_emit(row)
 			counts.campaign += 1
 			if (r + 1) % 10 == 0:
 				print("进度 campaign %s %d/%d（树 血%d/命中%d · 钥石 %d）" % [policy, r + 1, int(opt.k),
-					meta.save.tree_level("sp_hp"), meta.save.tree_level("sp_hit"),
+					meta.save.meta_state.tree_state().nodes.get("sp_hp", 0), meta.save.meta_state.tree_state().nodes.get("sp_hit", 0),
 					meta.keystone_balance()])
 		_remove_save(save_path)   # 段尾清理（与 smoke 存档纪律同源——不遗留隔离档）
 
@@ -195,7 +195,7 @@ func _spend(meta, policy_name: String) -> Array:
 		for nid in order:
 			var price: int = int(meta.db.tree_node(nid).get("price", 0))
 			if price > 0 and meta.keystone_balance() >= price and meta.tree_buy(nid):
-				out.append({"node_id": nid, "level": meta.save.tree_level(nid), "price": price})
+				out.append({"node_id": nid, "level": meta.save.meta_state.tree_state().nodes.get(nid, 0), "price": price})
 				bought = true
 				break
 		if not bought: