perf: 移除秒杀相关功能

.deploy-tmp/check-fk.js

@@ -0,0 +1,15 @@
+// One-off diagnostic — list FK constraints on orders.flash_sale_id
+// Run from packages/server so .env is loaded.
+const { PrismaClient } = require('@prisma/client')
+const p = new PrismaClient()
+;(async () => {
+  const rows = await p.$queryRawUnsafe(`
+    SELECT COLUMN_NAME, COLUMN_TYPE, IS_NULLABLE
+    FROM information_schema.COLUMNS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME IN ('orders', 'flash_sales', 'flash_sale_orders')
+    ORDER BY TABLE_NAME, ORDINAL_POSITION
+  `)
+  console.log('FK rows:', JSON.stringify(rows, null, 2))
+  await p.$disconnect()
+})().catch((e) => { console.error(e); process.exit(1) })