refactor: replace Toast with Sonner

frontend/app/features/platform/ScriptWorkspace.tsx

@@ -42,7 +42,7 @@ const saveBtnClass =
 // 模块级变量存储刷新版本号，用于检测只读内容刷新
 let _lastRefreshVersion = 0;
 
-type ToastState = {
+type Notice = {
   tone: "success" | "error" | "info";
   message: string;
 };
@@ -71,7 +71,7 @@ type ScriptWorkspaceProps = {
   onSwitchTab: (scriptId: string) => void;
   onNewTab: () => void;
   onPublish: () => void;
-  onInfo: (toast: ToastState) => void;
+  onInfo: (toast: Notice) => void;
 
   pythonEditorBuffers: Record<string, PythonEditorBuffer>;
   onOpenPythonEditor: () => void;