feat: 支持批量上传关卡

prisma/backfill-sort-keys.ts

@@ -0,0 +1,34 @@
+/**
+ * 一次性脚本：给所有已有关卡回填 sortKey。
+ *
+ * 前置：prisma schema 已加 sortKey 字段，并已跑过 `pnpm run db:push`。
+ * 执行：pnpm tsx prisma/backfill-sort-keys.ts
+ */
+import { PrismaClient } from '@prisma/client'
+import { generateKeyBetween } from 'fractional-indexing'
+
+async function main() {
+  const db = new PrismaClient()
+  try {
+    const levels = await db.level.findMany({
+      orderBy: [{ sortOrder: 'asc' }, { createdAt: 'asc' }],
+      select: { id: true },
+    })
+    let prev: string | null = null
+    for (const { id } of levels) {
+      const key = generateKeyBetween(prev, null)
+      await db.level.update({ where: { id }, data: { sortKey: key } })
+      prev = key
+    }
+    // eslint-disable-next-line no-console
+    console.log(`backfilled ${levels.length} rows`)
+  } finally {
+    await db.$disconnect()
+  }
+}
+
+main().catch((e) => {
+  // eslint-disable-next-line no-console
+  console.error(e)
+  process.exit(1)
+})