iter44-卡1：卡①(组合根注册面批): ui_registry+三域容器建件·main.gd 49→15·全消费面改址main.ui.*·四闸主证行为零变化

game/probe/screen_flow_probe.gd

@@ -50,10 +50,10 @@ func _ready() -> void:
 # 其余任意两屏同时为真＝互斥失守。
 func _screen_seals() -> Dictionary:
 	return {
-		"菜单": main._start_overlay != null and main._start_overlay.visible,
-		"营地": main.camp_overlay != null and main.camp_overlay.visible,
+		"菜单": main.ui.screens.start_overlay != null and main.ui.screens.start_overlay.visible,
+		"营地": main.ui.modals.camp_overlay != null and main.ui.modals.camp_overlay.visible,
 		"冒险": main.run_scope != null and main.run_scope.is_adventure,
-		"终局": main._end_overlay != null and main._end_overlay.visible,
+		"终局": main.ui.modals.end_overlay != null and main.ui.modals.end_overlay.visible,
 	}
 
 
@@ -101,7 +101,7 @@ func _frames(n: int = 2) -> void:
 func _step_boot_menu() -> void:
 	_expect_exclusive("①boot", "菜单")
 	_expect_adventure_seal("①boot", false)
-	if main.debug_overlay != null and main.debug_overlay.visible:
+	if main.ui.modals.debug_overlay != null and main.ui.modals.debug_overlay.visible:
 		_problems.append("①boot：调试浮窗 boot 自动开（菜单优先失守）")
 
 
@@ -117,10 +117,10 @@ func _step_menu_to_camp() -> void:
 
 # ---- ③ 营地 → 菜单（回退路径：营地关闭发自覆盖层自身信号）----
 func _step_camp_back_to_menu() -> void:
-	if main.camp_overlay == null:
+	if main.ui.modals.camp_overlay == null:
 		_problems.append("③营地→菜单：营地覆盖层句柄缺失")
 		return
-	main.camp_overlay.closed.emit()
+	main.ui.modals.camp_overlay.closed.emit()
 	await _frames()
 	main._on_save_select_closed()   # 关闭被栈还原的选档层（动线序中间态——卡④ 换代点）
 	await _frames()
@@ -133,22 +133,22 @@ func _step_camp_back_to_menu() -> void:
 func _step_save_select_open_back() -> void:
 	ProbeUiUtil.isolate_save(main, "smoke_screen_flow_savesel", false, false, true)
 	main.save_manager.slots.attach_slot_template("user://smoke_screen_flow_savesel_slot_%d.json")
-	var esb: Button = ProbeUiUtil.find_button(main._start_overlay, "进入存档", "prefix")
+	var esb: Button = ProbeUiUtil.find_button(main.ui.screens.start_overlay, "进入存档", "prefix")
 	if esb == null:
 		_problems.append("[savesel] mn3 进入存档钮缺失（卡② 交付物）")
 		return
 	esb.pressed.emit()   # 真实按钮信号路径 → _open_save_select（卡② mn3 点击链——卡③ 直调中间态就此闭环）
 	await get_tree().process_frame
 	var seals := _screen_seals()
-	if not main.save_select_overlay.visible or not seals_check_single(seals):
-		_problems.append("[savesel] sl10 开层后屏级互斥失守（选档=%s）" % str(main.save_select_overlay.visible))
-	var back_btn: Button = ProbeUiUtil.find_button(main.save_select_overlay, "返回", "prefix")
+	if not main.ui.modals.save_select_overlay.visible or not seals_check_single(seals):
+		_problems.append("[savesel] sl10 开层后屏级互斥失守（选档=%s）" % str(main.ui.modals.save_select_overlay.visible))
+	var back_btn: Button = ProbeUiUtil.find_button(main.ui.modals.save_select_overlay, "返回", "prefix")
 	if back_btn == null:
 		_problems.append("[savesel] sl10 返回钮缺失（页壳顶条）")
 	else:
 		back_btn.pressed.emit()
 		await get_tree().process_frame
-		if main.save_select_overlay.visible or not main._start_overlay.visible:
+		if main.ui.modals.save_select_overlay.visible or not main.ui.screens.start_overlay.visible:
 			_problems.append("[savesel] sl10 返回后选档未隐藏或开始层未恢复（关闭链失守）")
 	# ESC 语境：再开选档→合成 ESC 键→层不关、流程零扰动（ESC 不属选档语境——零实现断言）
 	main._open_save_select()
@@ -159,7 +159,7 @@ func _step_save_select_open_back() -> void:
 	ev.pressed = true
 	main.get_viewport().push_input(ev, true)
 	await get_tree().process_frame
-	if not main.save_select_overlay.visible:
+	if not main.ui.modals.save_select_overlay.visible:
 		_problems.append("[savesel] sl10 ESC 关闭了选档层（选档语境 ESC 应不响应——卡⑤ 范围外）")
 	main._on_save_select_closed()
 	await get_tree().process_frame
@@ -171,7 +171,7 @@ func seals_check_single(f: Dictionary) -> bool:
 	for k in f:
 		if bool(f[k]):
 			on += 1
-	if main.save_select_overlay.visible:
+	if main.ui.modals.save_select_overlay.visible:
 		on += 1   # 选档自身计入（调用点已开层）
 	return on == 1
 
@@ -184,25 +184,25 @@ func _step_menu_to_adventure() -> void:
 	_expect_adventure_seal("④菜单→冒险", true)
 	if main.run_scope != null and main.run_scope.adventure == null:
 		_problems.append("④菜单→冒险：冒险实例未建立（入口停点未达）")
-	if main.level_screen != null and not main.level_screen.visible:
+	if main.ui.modals.level_screen != null and not main.ui.modals.level_screen.visible:
 		_problems.append("④菜单→冒险：入口停点未落在关卡地图屏（level_screen 不可见）")
 
 
 # ---- ⑤ 冒险内屏切换：关卡地图屏 ⇄ 战斗屏（屏内两态，屏级仍独占）----
 func _step_level_to_battle_and_back() -> void:
-	if not main.level_screen.visible:
+	if not main.ui.modals.level_screen.visible:
 		_problems.append("⑤冒险内切换：前置不在关卡地图屏")
 		return
 	main._exit_level_screen()
 	await _frames()
-	if main.level_screen.visible:
+	if main.ui.modals.level_screen.visible:
 		_problems.append("⑤冒险内切换：退出关卡屏后 level_screen 仍可见")
-	if main._battle_root != null and not main._battle_root.visible:
+	if main.ui.screens.battle_root != null and not main.ui.screens.battle_root.visible:
 		_problems.append("⑤冒险内切换：战斗屏未接手（battle_root 不可见）")
 	_expect_exclusive("⑤冒险内切换（关卡→战斗）", "冒险")
 	main._enter_level_screen()
 	await _frames()
-	if not main.level_screen.visible:
+	if not main.ui.modals.level_screen.visible:
 		_problems.append("⑤冒险内切换：回到关卡地图屏失败")
 	_expect_exclusive("⑤冒险内切换（战斗→关卡）", "冒险")
 
@@ -215,16 +215,16 @@ func _step_abandon_to_end() -> void:
 	main._on_abandon_requested()
 	await _frames(4)
 	_expect_exclusive("⑥放弃→终局", "终局")
-	if main._end_overlay != null and not main._end_overlay.visible:
+	if main.ui.modals.end_overlay != null and not main.ui.modals.end_overlay.visible:
 		_problems.append("⑥放弃→终局：终局覆盖层未开")
 
 
 # ---- ⑦ 终局 → 菜单（终局出口返回开始界面）----
 func _step_end_back_to_menu() -> void:
-	if main._end_overlay == null or not main._end_overlay.visible:
+	if main.ui.modals.end_overlay == null or not main.ui.modals.end_overlay.visible:
 		_problems.append("⑦终局→菜单：前置不在终局")
 		return
-	main._end_overlay.continue_pressed.emit()
+	main.ui.modals.end_overlay.continue_pressed.emit()
 	await _frames(3)
 	_expect_exclusive("⑦终局→菜单", "菜单")
 	if main.run_scope != null and main.run_scope.is_adventure: