iter53-卡1：卷轴视口批: 关卡画面视口化(level-map.md 布局决策5落地)——视口承载件/锚点跟随/平滑滚动减动效/拖拽滚轮平移与clamp/指引件/探针26断言/golden两Shot冻结

game/probe/probe_ui_util.gd

@@ -141,6 +141,42 @@ static func push_click_at(main, pos: Vector2) -> void:
 	main.get_viewport().push_input(up, true)
 
 
+# 真输入拖拽沿（press→motion×steps→release 成对经 push_input 进引擎输入管线——卷轴视口批
+# R3/R5/R6 驱动沿；沿 push_click_at 同式。relative 按步显式置值——合成事件的位移量由事件
+# 自身承载，被测面按 relative 逐帧平移）
+static func push_drag_at(main, pos: Vector2, delta: Vector2, steps: int = 4) -> void:
+	var down := InputEventMouseButton.new()
+	down.position = pos
+	down.global_position = pos
+	down.button_index = MOUSE_BUTTON_LEFT
+	down.pressed = true
+	main.get_viewport().push_input(down, true)
+	for i in range(1, steps + 1):
+		var cur := pos + delta * float(i) / float(steps)
+		var mv := InputEventMouseMotion.new()
+		mv.position = cur
+		mv.global_position = cur
+		mv.relative = delta / float(steps)
+		main.get_viewport().push_input(mv, true)
+	var up := InputEventMouseButton.new()
+	up.position = pos + delta
+	up.global_position = pos + delta
+	up.button_index = MOUSE_BUTTON_LEFT
+	up.pressed = false
+	main.get_viewport().push_input(up, true)
+
+
+# 真输入滚轮沿（单档滚轮事件经 push_input——卷轴视口批 R4 驱动沿；方向映射在被测面，
+# 本工具只发原始滚轮档）
+static func push_wheel_at(main, pos: Vector2, wheel_down: bool = true) -> void:
+	var ev := InputEventMouseButton.new()
+	ev.position = pos
+	ev.global_position = pos
+	ev.button_index = MOUSE_BUTTON_WHEEL_DOWN if wheel_down else MOUSE_BUTTON_WHEEL_UP
+	ev.pressed = true
+	main.get_viewport().push_input(ev, true)
+
+
 # 营地经进档开层（卡② mn9 新路径——campbtn 已撤；槽模板注入隔离命名空间，防碰真实槽
 # user://save_slot_N.json——真实档红线）。创建=激活=暂行开营地（卡③ Q3 乙落点）；
 # 驱动后写盘目标=隔离槽文件（持久化断言读 user://<tag>_slot_1.json）。返回 false=新档钮缺失（驱动中断）。