P25L-1~P25L-5 实现预算控制与AP最小可用运营

合同 CSV 已回填 reviewer/QA 结果；运行时回归受当前环境缺少 node/npm 阻塞。

server/prisma/migrations/20260329083000_p25l_payment_batch_secondary_review/migration.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "payment_batches"
+  ADD COLUMN "secondary_review_comment" TEXT,
+  ADD COLUMN "secondary_reviewed_at" TIMESTAMP(3),
+  ADD COLUMN "secondary_reviewed_by" UUID;

server/prisma/schema.prisma

@@ -1558,12 +1558,15 @@ model PaymentBatch {
   default_payment_channel String?                @db.VarChar(20)
   voucher_prefix          String?                @db.VarChar(32)
   review_comment          String?
+  secondary_review_comment String?
   execution_summary_json  Json?
 
   created_at   DateTime  @default(now())
   created_by   String?   @db.Uuid
   reviewed_at  DateTime?
   reviewed_by  String?   @db.Uuid
+  secondary_reviewed_at DateTime?
+  secondary_reviewed_by String?   @db.Uuid
   executed_at  DateTime?
   executed_by  String?   @db.Uuid
   cancelled_at DateTime?