修复云端数据一致性问题

utils/cloud-delete.js

@@ -0,0 +1,11 @@
+const deleteAllPages = async (fetchPage, remove) => {
+  while (true) {
+    const page = await fetchPage()
+    if (!Array.isArray(page) || page.length === 0) return
+    for (const doc of page) {
+      await remove(doc._id)
+    }
+  }
+}
+
+module.exports = { deleteAllPages }