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/presentation/aux_interact_controller.gd

@@ -41,7 +41,7 @@ func unlocked_set() -> Dictionary:
 		return out
 	for row in db.aux_active_rows():
 		var iid := String(row.get("item_id", ""))
-		if meta.save.item_unlocked(iid):
+		if meta.is_item_unlocked(iid):
 			out[iid] = true
 	return out
 
@@ -108,11 +108,7 @@ func inventory_projection() -> Array:
 	var cb := Callable()
 	if ms != null:
 		cb = func(_c: Vector2i) -> bool:
-			for y in ms.current_board().height:
-				for x in ms.current_board().width:
-					if not ms.is_revealed(Vector2i(x, y)):
-						return true
-			return false
+			return ms.has_unrevealed()   # 只读查询面（排雷玩法 has_unrevealed——手搓全板双循环收口）
 	var out: Array = []
 	for rec in runner.aux_inventory.query_inventory(cb):
 		var arow: Dictionary = db.aux_item_row(String(rec.get("item_id", "")))