添加气泡布局组件，基于物理仿真的布局组件。

Editor/BubbleLayout/BubbleLayoutPluginEditor.cs

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+using UnityEditor;
+using UnityEngine;
+using XericUI.BubbleLayout;
+
+namespace XericUIEditor.BubbleLayout
+{
+	/// <summary>
+	/// 气泡布局插件通用 Inspector —— 白色圆角边框 + 深色底，对所有 BubbleLayoutPluginBase 子类生效
+	/// </summary>
+	[CustomEditor(typeof(BubbleLayoutPluginBase), true)]
+	[CanEditMultipleObjects]
+	internal class BubbleLayoutPluginEditor : Editor
+	{
+		private static GUIStyle s_BoxStyle;
+		private static bool s_StylesInitialized;
+
+		private static void EnsureStyles()
+		{
+			if (s_StylesInitialized)
+				return;
+
+			s_BoxStyle = new GUIStyle(GUI.skin.box)
+			{
+				padding = new RectOffset(12, 12, 10, 10),
+				margin = new RectOffset(4, 4, 4, 4),
+			};
+
+			var bgTex = new Texture2D(1, 1);
+			bgTex.SetPixel(0, 0, new Color(0.18f, 0.18f, 0.18f, 1f));
+			bgTex.Apply();
+			s_BoxStyle.normal.background = bgTex;
+
+			s_StylesInitialized = true;
+		}
+
+		public override void OnInspectorGUI()
+		{
+			EnsureStyles();
+
+			// ── 白色圆角边框 + 深色底 ──
+			EditorGUILayout.BeginVertical(s_BoxStyle);
+
+			// 绘制所有序列化字段（包括基类的 Enabled 和 Order）
+			serializedObject.Update();
+
+			SerializedProperty iterator = serializedObject.GetIterator();
+			bool enterChildren = true;
+
+			while (iterator.NextVisible(enterChildren))
+			{
+				enterChildren = false;
+
+				// 跳过脚本引用字段
+				if (iterator.name == "m_Script")
+					continue;
+
+				EditorGUILayout.PropertyField(iterator, true);
+			}
+
+			serializedObject.ApplyModifiedProperties();
+
+			EditorGUILayout.EndVertical();
+		}
+	}
+}