chore: 添加社保公积金账户数据修复脚本

- fix-missing-standards.ts: 补齐无年度标准的账户
- fix-housing-base-limits.ts: 更新各城市公积金基数上下限
- check-test-accounts.ts: 删除不完整的测试账户
- assign-accounts.ts: 为全部员工按城市匹配社保公积金账户

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backend/scripts/fix-housing-base-limits.ts

@@ -0,0 +1,47 @@
+/**
+ * 批量更新公积金账户的 housingBaseMin/housingBaseMax
+ * 数据来源：各城市2025年度公积金缴存基数上下限
+ */
+import { PrismaClient } from '@prisma/client'
+const prisma = new PrismaClient()
+
+// 2025年度各城市公积金基数上下限
+const CITY_LIMITS: Record<string, { min: number; max: number }> = {
+  '北京': { min: 2540, max: 35811 },
+  '上海': { min: 2690, max: 37302 },
+  '深圳': { min: 2360, max: 44265 },
+  '杭州': { min: 2490, max: 40694 },
+  '石家庄': { min: 2200, max: 26420 },
+  '天津': { min: 2320, max: 27861 },
+  '唐山': { min: 2200, max: 26420 },  // 河北省标准
+}
+
+async function main() {
+  const accounts = await prisma.socialAccount.findMany({ where: { type: 'HOUSING' } })
+  let updated = 0
+  let skipped = 0
+
+  for (const account of accounts) {
+    const limits = CITY_LIMITS[account.city]
+    if (!limits) {
+      console.log(`[跳过] ${account.name} (${account.city}) — 无该城市的公积金上下限数据`)
+      skipped++
+      continue
+    }
+
+    // 更新该账户下所有年度标准的 housingBaseMin/housingBaseMax
+    const result = await prisma.socialYearStandard.updateMany({
+      where: { accountId: account.id },
+      data: {
+        housingBaseMin: limits.min,
+        housingBaseMax: limits.max,
+      },
+    })
+    console.log(`[更新] ${account.name} (${account.city}) → 下限 ${limits.min} / 上限 ${limits.max}，影响 ${result.count} 条标准`)
+    updated++
+  }
+
+  console.log(`\n完成：更新 ${updated} 个账户，跳过 ${skipped} 个`)
+}
+
+main().then(() => process.exit(0)).catch(e => { console.error(e); process.exit(1) })