feat: polish personal space editor

_Core/managers/SceneManager.gd

@@ -39,6 +39,7 @@ var is_changing_scene: bool = false                 # 是否正在切换场景
 var _next_scene_position: Variant = null            # 下一个场景的初始位置 (Vector2 or null)
 var _next_spawn_name: String = ""                   # 下一个场景的出生点名称 (String)
 var _next_destination_id: String = ""               # 快速传送目标，用于发现登记
+var _room_visit_context: Dictionary = {}             # 访客房间的房主与返回位置
 
 # 场景路径映射表
 # 将场景名称映射到实际的文件路径
@@ -203,6 +204,39 @@ func get_next_destination_id() -> String:
 	_next_destination_id = ""
 	return destination_id
 
+# ============ 访客房间上下文 ============
+
+func begin_room_visit(owner_user_id: String, owner_nickname: String, return_scene: String, return_position: Vector2) -> void:
+	_room_visit_context = {
+		"owner_user_id": owner_user_id.strip_edges(),
+		"owner_nickname": owner_nickname.strip_edges(),
+		"return_scene": return_scene.strip_edges(),
+		"return_position": return_position,
+	}
+
+func get_room_visit_context() -> Dictionary:
+	return _room_visit_context.duplicate(true)
+
+func has_room_visit_context() -> bool:
+	return not str(_room_visit_context.get("owner_user_id", "")).strip_edges().is_empty()
+
+func clear_room_visit_context() -> void:
+	_room_visit_context.clear()
+
+func return_from_room_visit() -> bool:
+	if not has_room_visit_context():
+		return false
+	var context: Dictionary = _room_visit_context.duplicate(true)
+	clear_room_visit_context()
+	var return_scene: String = str(context.get("return_scene", "square")).strip_edges()
+	if not scene_paths.has(return_scene):
+		return_scene = "square"
+	var return_position: Variant = context.get("return_position", null)
+	if return_position is Vector2:
+		set_next_scene_position(return_position as Vector2)
+	change_scene(return_scene)
+	return true
+
 # ============ 场景注册方法 ============
 
 # 注册新场景