迭代42-卡2-T0: 商店委托调用面直连（壳在位中间态）——level_runner私有_shop更名公开shop(28处词级更名,_bind_shop装配面保留:65注释/:104调用/:728定义)；产品码六件改址(camp_shop_presenter 14调用/main_adventure_flow 6/main_overlay_flow 2/main.gd 773一处/curio_interact_controller spend_gp/shop_overlay_view注释2处)；sim改址level_autoplay 6调用+335/356注释随sed同步；测试面七件改址(level_shop_economy 25+白盒r8.shop._draw_shelf×2/hero_ledger 2/adventure_feats 1/pool_case_d 3含白盒lr.shop._draw_shelf/treasure_effects 2/curio_refresh_paid 3/meta_progression_forge 4)+tree_rules_v11头注_spend_discounted指址同步shop_session；跨类同名面零触碰(deck().pool_stock与settlement.player_request_refresh原样,grep全量核对零残留)。验证:冒烟15项0失败；全量65套件55绿10红——10红经stash对照法master原状逐一同值复现坐实存量红(iter41特许移交合回未跑遗留:config_db cattr解析/config_db_fatal_oob与run_time_fatal退出码2/table_structure_guard meta_state/treasure_items crossrun/standee_fx set_trans/forge_workbench挂死/tree_requires row_by_id/save_manager _migrate_legacy_save/theme_projection _recent_list),本批七件相关套件全绿；level_runner三键读数:公开方法50持平/类变量30持平/_enter_node键已随卡1-T2归绿——只降不升达标

game/presentation/curio_interact_controller.gd

@@ -160,7 +160,7 @@ func on_refresh() -> void:
 	if not refreshed:
 		# 免费位（X/Y）已穷——GP 付费档（先扣钱包后重抽，余额不足拒绝零副作用）
 		var cost: int = adventure.refresh_bank().gp_cost()
-		if runner == null or not runner.spend_gp(cost):
+		if runner == null or not runner.shop.spend_gp(cost):
 			ctx.views.toast.show_toast("GP不足——刷新失败", "warn")
 			return
 		refreshed = adventure.stop().refresh_curio_paid()