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/tests/unit/presentation/pacing_queue_test.gd

@@ -51,8 +51,8 @@ func _init() -> void:
 		if FileAccess.file_exists(p):
 			DirAccess.remove_absolute(p)
 	var sm = main.get_node("/root/SaveManager")
-	sm.attach_path("user://test_pacing_queue_save.json")
-	sm.mark_first_adventure_done()
+	sm.slots.attach_path("user://test_pacing_queue_save.json")
+	sm.meta_state.mark_first_adventure_done()
 	# 行信号计数器（真实信号路径旁挂计数——零触碰既有接线）
 	var rows_seen: Array = []
 	main._start_adventure_from_menu()