场景对象的复制与粘贴+配置追加功能

src/i18n/locales/zh-CN.json

@@ -176,6 +176,9 @@
       "storageUnavailable": "浏览器本地存储不可用",
       "saved": "已保存到浏览器：{name}",
       "loaded": "已从浏览器加载：{name}",
+      "appendToScene": "将当前配置追加到场景中",
+      "appending": "正在追加配置：{name}",
+      "appended": "已追加到场景：{name}",
       "deleted": "已删除缓存配置：{name}",
       "downloadEmpty": "没有可下载的配置",
       "downloaded": "已下载：{name}"
@@ -513,6 +516,14 @@
     "addPathShort": "＋路径",
     "addSpine": "添加 Spine",
     "copyTitle": "复制当前选中的场景对象",
+    "contextCopy": "复制到剪贴板",
+    "contextPaste": "粘贴覆盖",
+    "clipboardUnavailable": "当前浏览器不允许访问剪贴板",
+    "clipboardInvalid": "剪贴板中没有可用的场景对象",
+    "clipboardCopyFailed": "复制场景对象到剪贴板失败",
+    "clipboardReadFailed": "无法读取剪贴板，请检查浏览器权限",
+    "clipboardTypeMismatch": "只能覆盖同类型场景对象（剪贴板为 {source}，当前为 {target}）",
+    "clipboardPasteFailed": "场景对象恢复失败",
     "showParticle": "显示粒子系统",
     "hideParticle": "隐藏粒子系统",
     "showCollider": "显示碰撞体",
@@ -825,6 +836,8 @@
     "eye": "小眼睛",
     "eyeDesc": "单独显示/隐藏对象；隐藏的粒子系统不会被导出。",
     "copyDesc": "完整复制当前选中对象，方便对比不同参数。",
+    "sceneClipboard": "场景剪贴板",
+    "sceneClipboardDesc": "右键场景对象可复制到剪贴板或覆盖粘贴。",
     "backgroundDesc": "上传参考图并调整位置和透明度，只用于画布预览。",
     "settingsDesc": "管理界面布局、辅助显示、刻度等，自动存入浏览器。",
     "undoDesc": "Ctrl+Z 撤回一步；最大步数可在系统设置中调整。",