fix: pre check

frontend/app/features/platform/state/scriptWorkspaceStore.ts

@@ -758,12 +758,19 @@ export const useScriptWorkspaceStore = create<State>((set, get) => {
       const normalizedName = requestedName.toLocaleLowerCase().endsWith(suffix)
         ? requestedName
         : `${requestedName}${suffix}`;
-      const duplicate = get().scripts.some(
-        (script) =>
-          script.script_type === form.scriptType
-          && script.script_name.toLocaleLowerCase()
-            === normalizedName.toLocaleLowerCase(),
-      );
+      const duplicate = get().scripts.some((script) => {
+        if (script.script_type !== form.scriptType) return false;
+        if (script.script_name.toLocaleLowerCase()
+          !== normalizedName.toLocaleLowerCase()) return false;
+        // Same name in a different subdirectory is allowed: mirror the
+        // backend name_clash check, which JOINs StorageObjects and scopes
+        // by relative_path.
+        const existingUserPath = ownedScriptPath(script);
+        const existingParent = existingUserPath.includes("/")
+          ? existingUserPath.slice(0, existingUserPath.lastIndexOf("/"))
+          : "";
+        return existingParent === form.parentPath;
+      });
       if (duplicate) {
         pushToast("error", `${normalizedName} 已存在，请更换名称`);
         return null;