feat(wordcloud): 下单 WCD 派单（buildWcdPackage + dispatch + 幂等 + 订单设计关联）

prisma/migrations/20260812124858_r4_order_design_and_dispatch/migration.sql

@@ -0,0 +1,15 @@
+-- AlterTable
+ALTER TABLE "CustomizationTask" ADD COLUMN     "orderId" TEXT,
+ADD COLUMN     "wordcloudJobId" TEXT;
+
+-- AlterTable
+ALTER TABLE "Order" ADD COLUMN     "designListId" TEXT;
+
+-- CreateIndex
+CREATE INDEX "CustomizationTask_orderId_idx" ON "CustomizationTask"("orderId");
+
+-- CreateIndex
+CREATE INDEX "Order_designListId_idx" ON "Order"("designListId");
+
+-- AddForeignKey
+ALTER TABLE "Order" ADD CONSTRAINT "Order_designListId_fkey" FOREIGN KEY ("designListId") REFERENCES "DesignList"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/schema.prisma

@@ -85,6 +85,7 @@ model DesignList {
   user   User             @relation(fields: [userId], references: [id])
 
   customizations CustomizationTask[]
+  orders         Order[]
 
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
@@ -126,7 +127,10 @@ model Order {
   status         OrderStatus  @default(PENDING)
   totalAmount    Decimal      @db.Decimal(10, 2)
   addressSnapshot Json
+  // 关联的设计清单（R4 下单后 WCD 派单据此读取 designData）
+  designListId   String?
   user           User         @relation(fields: [userId], references: [id])
+  designList     DesignList?  @relation(fields: [designListId], references: [id])
   items          OrderItem[]
   payment        Payment?
 
@@ -135,6 +139,7 @@ model Order {
 
   @@index([userId])
   @@index([status])
+  @@index([designListId])
 }
 
 enum OrderStatus {
@@ -203,6 +208,9 @@ model CustomizationTask {
   id           String                  @id @default(cuid())
   designListId String?
   userId       String?
+  // R4 下单后 WCD 派单：关联的订单与词云任务
+  orderId       String?
+  wordcloudJobId String?
   status       CustomizationTaskStatus @default(PENDING)
   resultUrl    String?
   queueJobId   String?
@@ -213,6 +221,7 @@ model CustomizationTask {
   updatedAt DateTime @updatedAt
 
   @@index([designListId])
+  @@index([orderId])
   @@index([status])
 }