重构

apps/api/prisma/migrations/20260613090000_funds_posting_idempotency/migration.sql

@@ -0,0 +1,23 @@
+-- AlterTable
+ALTER TABLE "wallet_transactions" ADD COLUMN IF NOT EXISTS "business_key" VARCHAR(128);
+
+-- CreateIndex
+CREATE UNIQUE INDEX IF NOT EXISTS "wallet_transactions_business_key_key" ON "wallet_transactions"("business_key");
+
+-- Deduplicate legacy settlement preview items before enforcing idempotency.
+WITH ranked_settlement_items AS (
+  SELECT
+    "id",
+    ROW_NUMBER() OVER (
+      PARTITION BY "batch_id", "bet_id"
+      ORDER BY "id"
+    ) AS row_num
+  FROM "settlement_items"
+)
+DELETE FROM "settlement_items" si
+USING ranked_settlement_items r
+WHERE si."id" = r."id"
+  AND r.row_num > 1;
+
+-- CreateIndex
+CREATE UNIQUE INDEX IF NOT EXISTS "settlement_items_batch_id_bet_id_key" ON "settlement_items"("batch_id", "bet_id");