feat(api): add mini program catalog endpoints and product details

apps/api/package.json

@@ -21,7 +21,8 @@
     "prisma:generate": "prisma generate",
     "prisma:migrate": "prisma migrate dev",
     "prisma:studio": "prisma studio",
-    "configure:product-center-icons": "ts-node prisma/configure-product-center-icons.ts"
+    "configure:product-center-icons": "ts-node prisma/configure-product-center-icons.ts",
+    "import:product-detail": "ts-node prisma/import-product-detail.ts"
   },
   "dependencies": {
     "@nestjs/axios": "^3.0.1",

apps/api/prisma/import-product-detail.ts

@@ -0,0 +1,36 @@
+import { readFile } from 'fs/promises';
+import { resolve } from 'path';
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from '../src/app.module';
+import { SyncService } from '../src/sync/sync.service';
+import { SdsProductDetail } from '../src/sync/sds-client.service';
+
+async function main(): Promise<void> {
+  const inputPath = process.argv[2];
+  if (!inputPath) {
+    throw new Error('Usage: pnpm --filter @inkreach/api import:product-detail -- <product_detail.txt>');
+  }
+  const absolutePath = resolve(inputPath);
+  const raw = await readFile(absolutePath, 'utf8');
+  const jsonStart = raw.indexOf('{');
+  if (jsonStart < 0) throw new Error('No JSON object found in product detail file');
+  const detail = JSON.parse(raw.slice(jsonStart)) as SdsProductDetail;
+
+  const app = await NestFactory.createApplicationContext(AppModule, { logger: ['error', 'warn'] });
+  try {
+    const result = await app.get(SyncService).importProductDetail(detail);
+    process.stdout.write(
+      `Imported SDS product ${result.goodId}: ${result.variants} variants, ` +
+        `${result.sizeRows} size rows, ${result.packageRows} package rows, ` +
+        `${result.configuredGoods} configured goods\n`,
+    );
+  } finally {
+    await app.close();
+  }
+}
+
+void main().catch((error: unknown) => {
+  const message = error instanceof Error ? error.stack ?? error.message : String(error);
+  process.stderr.write(`${message}\n`);
+  process.exitCode = 1;
+});

apps/api/prisma/migrations/20260821000000_add_origin_good_details/migration.sql

@@ -0,0 +1,70 @@
+-- Cache SDS product details separately from website merchandising configuration.
+CREATE TABLE "origin_good_details" (
+    "origin_good_id" BIGINT NOT NULL,
+    "product_code" TEXT,
+    "english_name" TEXT,
+    "blank_design_url" TEXT,
+    "details_page_video_url" TEXT,
+    "texture_name" TEXT,
+    "production_cycle_hours" INTEGER,
+    "min_weight_g" DECIMAL(12,3),
+    "reminder" TEXT,
+    "production_process" TEXT,
+    "material_description" TEXT,
+    "product_performance" TEXT,
+    "applicable_scenarios" TEXT,
+    "washing_instructions" TEXT,
+    "special_description" TEXT,
+    "design_explanation" TEXT,
+    "design_area" TEXT,
+    "picture_request" TEXT,
+    "size_chart" JSONB,
+    "package_specs" JSONB,
+    "options" JSONB,
+    "media" JSONB,
+    "upstream_updated_at" TIMESTAMPTZ(6),
+    "synced_at" TIMESTAMPTZ(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMPTZ(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "origin_good_details_pkey" PRIMARY KEY ("origin_good_id")
+);
+
+CREATE TABLE "origin_good_variants" (
+    "origin_good_variant_id" BIGSERIAL NOT NULL,
+    "origin_good_id" BIGINT NOT NULL,
+    "sds_variant_id" TEXT NOT NULL,
+    "sku" TEXT NOT NULL,
+    "size_id" TEXT,
+    "size_name" TEXT,
+    "color_id" TEXT,
+    "color_name" TEXT,
+    "color_hex" TEXT,
+    "image_url" TEXT,
+    "price" DECIMAL(12,2),
+    "original_price" DECIMAL(12,2),
+    "weight_g" DECIMAL(12,3),
+    "box_length_cm" DECIMAL(12,3),
+    "box_width_cm" DECIMAL(12,3),
+    "box_height_cm" DECIMAL(12,3),
+    "enabled" BOOLEAN NOT NULL DEFAULT true,
+    "sort_order" INTEGER NOT NULL DEFAULT 0,
+    "design_data" JSONB,
+    "created_at" TIMESTAMPTZ(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMPTZ(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "origin_good_variants_pkey" PRIMARY KEY ("origin_good_variant_id")
+);
+
+CREATE UNIQUE INDEX "origin_good_variants_origin_good_id_sds_variant_id_key"
+ON "origin_good_variants"("origin_good_id", "sds_variant_id");
+CREATE INDEX "origin_good_variants_origin_good_id_sort_order_idx"
+ON "origin_good_variants"("origin_good_id", "sort_order");
+CREATE INDEX "origin_good_variants_sku_idx" ON "origin_good_variants"("sku");
+
+ALTER TABLE "origin_good_details"
+ADD CONSTRAINT "origin_good_details_origin_good_id_fkey"
+FOREIGN KEY ("origin_good_id") REFERENCES "origin_goods"("origin_good_id")
+ON DELETE CASCADE ON UPDATE NO ACTION;
+
+ALTER TABLE "origin_good_variants"
+ADD CONSTRAINT "origin_good_variants_origin_good_id_fkey"
+FOREIGN KEY ("origin_good_id") REFERENCES "origin_goods"("origin_good_id")
+ON DELETE CASCADE ON UPDATE NO ACTION;

apps/api/prisma/schema.prisma

@@ -15,23 +15,90 @@ datasource db {
 
 // ---------- Origin Goods ----------
 model OriginGood {
-  id          BigInt   @id @default(autoincrement()) @map("origin_good_id")
+  id            BigInt   @id @default(autoincrement()) @map("origin_good_id")
-  sdsGoodId   String   @unique @map("sds_good_id")
+  sdsGoodId     String   @unique @map("sds_good_id")
   // Cached SDS product metadata (filled during sync)
-  sdsCategoryId String? @map("sds_category_id")
+  sdsCategoryId String?  @map("sds_category_id")
-  goodName    String?  @map("good_name")
+  goodName      String?  @map("good_name")
-  goodImage   String?  @map("good_image")
+  goodImage     String?  @map("good_image")
-  goodPrice   Decimal? @map("good_price") @db.Decimal(12, 2)
+  goodPrice     Decimal? @map("good_price") @db.Decimal(12, 2)
-  delisted    Boolean  @default(false)
+  delisted      Boolean  @default(false)
-  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
+  createdAt     DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
-  updatedAt   DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
+  updatedAt     DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
 
-  goods Good[]
+  goods    Good[]
+  detail   OriginGoodDetail?
+  variants OriginGoodVariant[]
 
   @@index([sdsCategoryId])
   @@map("origin_goods")
 }
 
+// ---------- Origin Good Details (cached from SDS /products/{id}) ----------
+model OriginGoodDetail {
+  originGoodId         BigInt    @id @map("origin_good_id")
+  productCode          String?   @map("product_code")
+  englishName          String?   @map("english_name")
+  blankDesignUrl       String?   @map("blank_design_url")
+  detailsPageVideoUrl  String?   @map("details_page_video_url")
+  textureName          String?   @map("texture_name")
+  productionCycleHours Int?      @map("production_cycle_hours")
+  minWeightG           Decimal?  @map("min_weight_g") @db.Decimal(12, 3)
+  reminder             String?
+  productionProcess    String?   @map("production_process")
+  materialDescription  String?   @map("material_description")
+  productPerformance   String?   @map("product_performance")
+  applicableScenarios  String?   @map("applicable_scenarios")
+  washingInstructions  String?   @map("washing_instructions")
+  specialDescription   String?   @map("special_description")
+  designExplanation    String?   @map("design_explanation")
+  designArea           String?   @map("design_area")
+  pictureRequest       String?   @map("picture_request")
+  sizeChart            Json?     @map("size_chart")
+  packageSpecs         Json?     @map("package_specs")
+  options              Json?
+  media                Json?
+  upstreamUpdatedAt    DateTime? @map("upstream_updated_at") @db.Timestamptz(6)
+  syncedAt             DateTime  @default(now()) @map("synced_at") @db.Timestamptz(6)
+  updatedAt            DateTime  @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
+
+  originGood OriginGood @relation(fields: [originGoodId], references: [id], onDelete: Cascade, onUpdate: NoAction)
+
+  @@map("origin_good_details")
+}
+
+// ---------- Origin Good Variants (cached SDS child products / SKUs) ----------
+model OriginGoodVariant {
+  id            BigInt   @id @default(autoincrement()) @map("origin_good_variant_id")
+  originGoodId  BigInt   @map("origin_good_id")
+  sdsVariantId  String   @map("sds_variant_id")
+  sku           String
+  sizeId        String?  @map("size_id")
+  sizeName      String?  @map("size_name")
+  colorId       String?  @map("color_id")
+  colorName     String?  @map("color_name")
+  colorHex      String?  @map("color_hex")
+  imageUrl      String?  @map("image_url")
+  price         Decimal? @db.Decimal(12, 2)
+  originalPrice Decimal? @map("original_price") @db.Decimal(12, 2)
+  weightG       Decimal? @map("weight_g") @db.Decimal(12, 3)
+  boxLengthCm   Decimal? @map("box_length_cm") @db.Decimal(12, 3)
+  boxWidthCm    Decimal? @map("box_width_cm") @db.Decimal(12, 3)
+  boxHeightCm   Decimal? @map("box_height_cm") @db.Decimal(12, 3)
+  enabled       Boolean  @default(true)
+  sortOrder     Int      @default(0) @map("sort_order")
+  designData    Json?    @map("design_data")
+  createdAt     DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
+  updatedAt     DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
+
+  originGood OriginGood @relation(fields: [originGoodId], references: [id], onDelete: Cascade, onUpdate: NoAction)
+
+  @@unique([originGoodId, sdsVariantId])
+  @@index([originGoodId, sortOrder])
+  @@index([sku])
+  @@map("origin_good_variants")
+}
+
 // ---------- Countries ----------
 model Country {
   id          BigInt   @id @default(autoincrement()) @map("country_id")
@@ -48,18 +115,18 @@ model Country {
 
 // ---------- Categories (self-referential tree) ----------
 model Category {
-  id               BigInt     @id @default(autoincrement()) @map("category_id")
+  id               BigInt   @id @default(autoincrement()) @map("category_id")
-  parentCategoryId BigInt?    @map("parent_category_id")
+  parentCategoryId BigInt?  @map("parent_category_id")
-  categoryName     String     @map("category_name")
+  categoryName     String   @map("category_name")
-  categoryIcon     String?    @map("category_icon")
+  categoryIcon     String?  @map("category_icon")
-  sdsCategoryId    String?    @unique @map("sds_category_id")
+  sdsCategoryId    String?  @unique @map("sds_category_id")
-  createdAt        DateTime   @default(now()) @map("created_at") @db.Timestamptz(6)
+  createdAt        DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
-  updatedAt        DateTime   @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
+  updatedAt        DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
 
-  parent     Category?  @relation("CategoryToCategory", fields: [parentCategoryId], references: [id], onDelete: Restrict, onUpdate: NoAction)
+  parent    Category?  @relation("CategoryToCategory", fields: [parentCategoryId], references: [id], onDelete: Restrict, onUpdate: NoAction)
-  children   Category[] @relation("CategoryToCategory")
+  children  Category[] @relation("CategoryToCategory")
-  goods      Good[]
+  goods     Good[]
-  positions  Position[]
+  positions Position[]
 
   @@index([parentCategoryId])
   @@map("categories")
@@ -94,7 +161,7 @@ model Tag {
 
   goods    Good[]
   goodTags GoodTag[]
-  tagGroup TagGroup?  @relation(fields: [tagGroupId], references: [id], onDelete: SetNull, onUpdate: NoAction)
+  tagGroup TagGroup? @relation(fields: [tagGroupId], references: [id], onDelete: SetNull, onUpdate: NoAction)
 
   @@index([tagGroupId])
   @@index([tagGroupId, sortOrder])
@@ -122,17 +189,17 @@ model Position {
 
 // ---------- Goods ----------
 model Good {
-  id            BigInt   @id @default(autoincrement()) @map("good_id")
+  id           BigInt   @id @default(autoincrement()) @map("good_id")
-  originGoodId  BigInt   @map("origin_good_id")
+  originGoodId BigInt   @map("origin_good_id")
-  countryId     BigInt   @map("country_id")
+  countryId    BigInt   @map("country_id")
-  categoryId    BigInt   @map("category_id")
+  categoryId   BigInt   @map("category_id")
-  tagId         BigInt?  @map("tag_id")
+  tagId        BigInt?  @map("tag_id")
-  positionId    BigInt?  @map("position_id")
+  positionId   BigInt?  @map("position_id")
-  goodName      String   @map("good_name")
+  goodName     String   @map("good_name")
-  goodImage     String?  @map("good_image")
+  goodImage    String?  @map("good_image")
-  goodPriority  Int      @default(0) @map("good_priority")
+  goodPriority Int      @default(0) @map("good_priority")
-  createdAt     DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
+  createdAt    DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
-  updatedAt     DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
+  updatedAt    DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
 
   originGood OriginGood @relation(fields: [originGoodId], references: [id], onDelete: Restrict, onUpdate: NoAction)
   country    Country    @relation(fields: [countryId], references: [id], onDelete: Restrict, onUpdate: NoAction)

apps/api/src/public/dto/public-category.dto.ts

@@ -17,6 +17,9 @@ export class PublicCategoryNodeDto {
   @ApiProperty({ type: [PublicCategoryNodeDto] })
   children!: PublicCategoryNodeDto[];
 
+  @ApiProperty({ description: '当前节点及其后代分类的商品数量' })
+  productCount!: number;
+
   static from(category: PrismaCategory, children: PublicCategoryNodeDto[] = []): PublicCategoryNodeDto {
     return {
       id: category.id.toString(),
@@ -26,6 +29,7 @@ export class PublicCategoryNodeDto {
         ? category.parentCategoryId.toString()
         : null,
       children,
+      productCount: 0,
     };
   }
 }

apps/api/src/public/dto/public-good-detail.dto.ts

@@ -0,0 +1,81 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { PublicGoodDto } from './public-good.dto';
+
+export class PublicGoodDetailDto extends PublicGoodDto {
+  @ApiProperty({ nullable: true })
+  productCode!: string | null;
+
+  @ApiProperty({ nullable: true })
+  englishName!: string | null;
+
+  @ApiProperty({ nullable: true })
+  productionCycleHours!: number | null;
+
+  @ApiProperty({ nullable: true })
+  minWeightG!: string | null;
+
+  @ApiProperty({ type: Object })
+  details!: Record<string, string | null>;
+
+  @ApiProperty({ nullable: true, type: Object })
+  media!: Record<string, unknown> | null;
+
+  @ApiProperty({ nullable: true, type: Object })
+  options!: Record<string, unknown> | null;
+
+  @ApiProperty({ nullable: true, type: Object })
+  sizeChart!: Record<string, unknown> | null;
+
+  @ApiProperty({ nullable: true, type: Object })
+  packageSpecs!: Record<string, unknown> | null;
+
+  @ApiProperty({ type: Array })
+  variants!: Array<{
+    id: string;
+    sku: string;
+    sizeId: string | null;
+    sizeName: string | null;
+    colorId: string | null;
+    colorName: string | null;
+    colorHex: string | null;
+    imageUrl: string | null;
+    price: string | null;
+    originalPrice: string | null;
+    weightG: string | null;
+    boxLengthCm: string | null;
+    boxWidthCm: string | null;
+    boxHeightCm: string | null;
+    enabled: boolean;
+    sortOrder: number;
+  }>;
+
+  @ApiProperty({ nullable: true })
+  detailSyncedAt!: string | null;
+}
+
+export class PublicTagGroupFilterDto {
+  @ApiProperty()
+  id!: string;
+
+  @ApiProperty()
+  groupName!: string;
+
+  @ApiProperty({ nullable: true })
+  groupIcon!: string | null;
+
+  @ApiProperty({ nullable: true })
+  groupColor!: string | null;
+
+  @ApiProperty()
+  sortOrder!: number;
+
+  @ApiProperty({ type: Array })
+  tags!: Array<{
+    id: string;
+    tagName: string;
+    tagColor: string | null;
+    tagFontColor: string | null;
+    sortOrder: number;
+    productCount: number;
+  }>;
+}

apps/api/src/public/dto/public-good.dto.ts

@@ -2,7 +2,7 @@ import { ApiProperty } from '@nestjs/swagger';
 
 export class PublicGoodDto {
   @ApiProperty()
-  id!: string;
+  goodId!: string;
 
   @ApiProperty()
   goodName!: string;

apps/api/src/public/dto/public-query-good.dto.ts

@@ -1,13 +1,25 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { Type } from 'class-transformer';
+import { Transform, Type } from 'class-transformer';
 import {
+  IsArray,
+  IsIn,
   IsInt,
+  IsNumberString,
   IsOptional,
   IsString,
   Max,
   Min,
 } from 'class-validator';
 
+const stringList = ({ value }: { value: unknown }): string[] | undefined => {
+  if (value === undefined || value === null || value === '') return undefined;
+  const values = Array.isArray(value) ? value : [value];
+  return values
+    .flatMap((item) => String(item).split(','))
+    .map((item) => item.trim())
+    .filter(Boolean);
+};
+
 export class PublicQueryGoodDto {
   @ApiProperty({ required: false, default: 1 })
   @IsOptional()
@@ -16,7 +28,7 @@ export class PublicQueryGoodDto {
   @Min(1)
   page: number = 1;
 
-  @ApiProperty({ required: false, default: 20 })
+  @ApiProperty({ required: false, default: 20, maximum: 200 })
   @IsOptional()
   @Type(() => Number)
   @IsInt()
@@ -24,25 +36,78 @@ export class PublicQueryGoodDto {
   @Max(200)
   pageSize: number = 20;
 
-  @ApiProperty({ required: false })
+  @ApiProperty({ required: false, type: String, description: '不传表示全部国家' })
   @IsOptional()
-  @Type(() => Number)
+  @IsNumberString()
-  @IsInt()
+  countryId?: string;
-  countryId?: number;
+
+  @ApiProperty({ required: false, type: String })
+  @IsOptional()
+  @IsNumberString()
+  categoryId?: string;
+
+  @ApiProperty({ required: false, type: [String], description: '标签 ID；支持重复参数或逗号分隔' })
+  @IsOptional()
+  @Transform(stringList)
+  @IsArray()
+  @IsNumberString({}, { each: true })
+  tagIds?: string[];
+
+  @ApiProperty({ required: false, type: [String], description: '印刷工艺标签 ID' })
+  @IsOptional()
+  @Transform(stringList)
+  @IsArray()
+  @IsNumberString({}, { each: true })
+  craftIds?: string[];
+
+  @ApiProperty({ required: false, type: [String], description: '材质标签 ID' })
+  @IsOptional()
+  @Transform(stringList)
+  @IsArray()
+  @IsNumberString({}, { each: true })
+  materialIds?: string[];
+
+  @ApiProperty({ required: false, enum: ['FREE_SHIPPING', 'NOT_FREE_SHIPPING'], isArray: true })
+  @IsOptional()
+  @Transform(stringList)
+  @IsArray()
+  @IsIn(['FREE_SHIPPING', 'NOT_FREE_SHIPPING'], { each: true })
+  freeShipping?: Array<'FREE_SHIPPING' | 'NOT_FREE_SHIPPING'>;
 
   @ApiProperty({ required: false })
   @IsOptional()
-  @Type(() => Number)
-  @IsInt()
-  categoryId?: number;
-
-  @ApiProperty({ required: false, description: 'Comma-separated tag IDs, e.g. "30,34"' })
-  @IsOptional()
   @IsString()
-  tagIds?: string;
+  minPrice?: string;
+
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @IsString()
+  maxPrice?: string;
+
+  @ApiProperty({ required: false, enum: ['DEFAULT', 'PRICE_ASC', 'PRICE_DESC', 'NEWEST'] })
+  @IsOptional()
+  @IsIn(['DEFAULT', 'PRICE_ASC', 'PRICE_DESC', 'NEWEST'])
+  sort?: 'DEFAULT' | 'PRICE_ASC' | 'PRICE_DESC' | 'NEWEST';
 
   @ApiProperty({ required: false })
   @IsOptional()
   @IsString()
   keyword?: string;
 }
+
+export class PublicCountryQueryDto {
+  @ApiProperty({ required: false, type: String, description: '不传表示全部国家' })
+  @IsOptional()
+  @IsNumberString()
+  countryId?: string;
+}
+
+export class PublicHomeGoodsQueryDto extends PublicCountryQueryDto {
+  @ApiProperty({ required: false, default: 10, maximum: 50 })
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  @Max(50)
+  limit: number = 10;
+}

apps/api/src/public/public.controller.ts

@@ -2,14 +2,18 @@ import {
   Controller,
   Get,
   Param,
-  ParseIntPipe,
   Query,
 } from '@nestjs/common';
-import { ApiOperation, ApiTags } from '@nestjs/swagger';
+import { ApiOkResponse, ApiOperation, ApiParam, ApiTags } from '@nestjs/swagger';
 import { PublicService } from './public.service';
-import { PublicQueryGoodDto } from './dto/public-query-good.dto';
+import {
+  PublicCountryQueryDto,
+  PublicHomeGoodsQueryDto,
+  PublicQueryGoodDto,
+} from './dto/public-query-good.dto';
 import { PublicTagDto } from './dto/public-tag.dto';
-import { PublicTagGroupDto } from './dto/public-tag-group.dto';
+import { PublicGoodDetailDto, PublicTagGroupFilterDto } from './dto/public-good-detail.dto';
+import { PublicGoodDto } from './dto/public-good.dto';
 
 @ApiTags('public')
 @Controller('public')
@@ -17,9 +21,9 @@ export class PublicController {
   constructor(private readonly service: PublicService) {}
 
   @Get('categories')
-  @ApiOperation({ summary: 'Public list of categories that have goods' })
+  @ApiOperation({ summary: '获取商品分类树；countryId 不传时返回全部国家' })
-  getCategories() {
+  getCategories(@Query() query: PublicCountryQueryDto) {
-    return this.service.getCategoriesTree();
+    return this.service.getCategoriesTree(query.countryId);
   }
 
   @Get('countries')
@@ -35,20 +39,30 @@ export class PublicController {
   }
 
   @Get('tag-groups')
-  @ApiOperation({ summary: 'Public list of tag groups that have goods' })
+  @ApiOperation({ summary: '获取标签组及标签筛选项；countryId 不传时返回全部国家' })
-  getTagGroups(): Promise<PublicTagGroupDto[]> {
+  @ApiOkResponse({ type: [PublicTagGroupFilterDto] })
-    return this.service.getTagGroups();
+  getTagGroups(@Query() query: PublicCountryQueryDto): Promise<PublicTagGroupFilterDto[]> {
+    return this.service.getTagGroups(query.countryId);
   }
 
   @Get('goods')
-  @ApiOperation({ summary: 'Public paginated goods with filters' })
+  @ApiOperation({ summary: '分页获取商品' })
   getGoods(@Query() query: PublicQueryGoodDto) {
     return this.service.getGoods(query);
   }
 
-  @Get('goods/:id')
+  @Get('goods/:goodId')
-  @ApiOperation({ summary: 'Public good detail' })
+  @ApiOperation({ summary: '获取商品完整详情' })
-  getGood(@Param('id', ParseIntPipe) id: string) {
+  @ApiParam({ name: 'goodId', type: String, example: '168746' })
-    return this.service.getGood(BigInt(id));
+  @ApiOkResponse({ type: PublicGoodDetailDto })
+  getGood(@Param('goodId') goodId: string): Promise<PublicGoodDetailDto> {
+    return this.service.getGood(goodId);
+  }
+
+  @Get('home-goods')
+  @ApiOperation({ summary: '获取首页商品；可按国家返回' })
+  @ApiOkResponse({ type: [PublicGoodDto] })
+  getHomeGoods(@Query() query: PublicHomeGoodsQueryDto): Promise<PublicGoodDto[]> {
+    return this.service.getHomeGoods(query);
   }
 }

apps/api/src/public/public.service.spec.ts

@@ -12,6 +12,8 @@ describe('PublicService', () => {
   let childCategoryId: bigint;
   let otherCategoryId: bigint;
   let tagId: bigint;
+  let filterGroupIds: bigint[] = [];
+  let filterTagIds: bigint[] = [];
   let originGoodId: bigint;
   let goodIds: bigint[] = [];
 
@@ -98,6 +100,50 @@ describe('PublicService', () => {
     });
     goodIds = [g1.id, g2.id, g3.id];
 
+    const craftGroup = await prisma.tagGroup.create({
+      data: { groupName: `Pub Craft ${stamp}`, sortOrder: 100 },
+    });
+    const materialGroup = await prisma.tagGroup.create({
+      data: { groupName: `Pub Material ${stamp}`, sortOrder: 101 },
+    });
+    filterGroupIds = [craftGroup.id, materialGroup.id];
+    const craftA = await prisma.tag.create({
+      data: { tagName: `Pub Craft A ${stamp}`, tagGroupId: craftGroup.id },
+    });
+    const craftB = await prisma.tag.create({
+      data: { tagName: `Pub Craft B ${stamp}`, tagGroupId: craftGroup.id },
+    });
+    const cotton = await prisma.tag.create({
+      data: { tagName: `Pub Cotton ${stamp}`, tagGroupId: materialGroup.id },
+    });
+    filterTagIds = [craftA.id, craftB.id, cotton.id];
+    await prisma.goodTag.createMany({
+      data: [
+        { goodId: g1.id, tagId: craftA.id },
+        { goodId: g1.id, tagId: cotton.id },
+        { goodId: g2.id, tagId: craftB.id },
+      ],
+    });
+
+    await prisma.originGoodDetail.create({
+      data: {
+        originGoodId,
+        productCode: 'OZ10827003',
+        productionProcess: '白墨烫画',
+        sizeChart: { columns: [], rows: [{ sizeId: 'size_0', sizeName: 'S', measurements: [] }] },
+        packageSpecs: { rows: [{ sizeId: 'size_0', sizeName: 'S' }] },
+      },
+    });
+    await prisma.originGoodVariant.create({
+      data: {
+        originGoodId,
+        sdsVariantId: `pub-variant-${stamp}`,
+        sku: `OZ${stamp}`,
+        sizeName: 'S',
+        price: 38,
+      },
+    });
+
     // Seed a good in `otherCategory` so the "onlyHaveGoods" filter
     // returns more than one category.
     await prisma.good.create({
@@ -134,6 +180,8 @@ describe('PublicService', () => {
       where: { countryId },
     });
     await prisma.tag.delete({ where: { id: tagId } });
+    await prisma.tag.deleteMany({ where: { id: { in: filterTagIds } } });
+    await prisma.tagGroup.deleteMany({ where: { id: { in: filterGroupIds } } });
     await prisma.originGood.delete({ where: { id: originGoodId } });
     // Delete children before parent (FK self-relation is RESTRICT).
     await prisma.category.delete({ where: { id: childCategoryId } });
@@ -172,8 +220,8 @@ describe('PublicService', () => {
     const filtered = await service.getGoods({
       page: 1,
       pageSize: 50,
-      countryId: Number(countryId),
+      countryId: countryId.toString(),
-      categoryId: Number(categoryId), // includes child
+      categoryId: categoryId.toString(), // includes child
       keyword: `Pub `,
     });
     expect(filtered.total).toBeGreaterThanOrEqual(4); // High, Mid, NoPos, ChildGood
@@ -184,7 +232,7 @@ describe('PublicService', () => {
     const result = await service.getGoods({
       page: 1,
       pageSize: 50,
-      countryId: Number(countryId),
+      countryId: countryId.toString(),
       keyword: `Pub `,
     });
     const priorities = result.items.map((g) => g.goodPriority);
@@ -193,31 +241,59 @@ describe('PublicService', () => {
     expect(priorities).toEqual(sorted);
   });
 
+  it('uses OR within one tag group and AND across tag groups', async () => {
+    const sameGroup = await service.getGoods({
+      page: 1,
+      pageSize: 50,
+      countryId: countryId.toString(),
+      keyword: `Pub `,
+      tagIds: filterTagIds.slice(0, 2).map(String),
+    });
+    expect(sameGroup.items.map((item) => item.goodName)).toEqual(
+      expect.arrayContaining([`Pub High ${stamp}`, `Pub Mid ${stamp}`]),
+    );
+
+    const acrossGroups = await service.getGoods({
+      page: 1,
+      pageSize: 50,
+      countryId: countryId.toString(),
+      keyword: `Pub `,
+      tagIds: filterTagIds.map(String),
+    });
+    expect(acrossGroups.items.map((item) => item.goodName)).toContain(`Pub High ${stamp}`);
+    expect(acrossGroups.items.map((item) => item.goodName)).not.toContain(`Pub Mid ${stamp}`);
+  });
+
   it('returns the SDS product id as the public product id', async () => {
     const result = await service.getGoods({
       page: 1,
       pageSize: 1,
-      countryId: Number(countryId),
+      countryId: countryId.toString(),
       keyword: `Pub High ${stamp}`,
     });
 
     expect(result.items).toHaveLength(1);
-    expect(result.items[0].id).toBe(`pub-sds-${stamp}`);
+    expect(result.items[0].goodId).toBe(`pub-sds-${stamp}`);
-    expect(result.items[0].id).not.toBe(goodIds[0].toString());
+    expect(result.items[0].goodId).not.toBe(goodIds[0].toString());
   });
 
   it('getGood returns detail and 404 for unknown id', async () => {
     const first = await service.getGoods({
       page: 1,
       pageSize: 1,
-      countryId: Number(countryId),
+      countryId: countryId.toString(),
       keyword: `Pub `,
     });
     expect(first.items.length).toBe(1);
-    const detail = await service.getGood(goodIds[0]);
+    const detail = await service.getGood(`pub-sds-${stamp}`);
-    expect(detail.id).toBe(first.items[0].id);
+    expect(detail.goodId).toBe(first.items[0].goodId);
+    expect(detail.productCode).toBe('OZ10827003');
+    expect(detail.details.productionProcess).toBe('白墨烫画');
+    expect((detail.sizeChart?.rows as unknown[])).toHaveLength(1);
+    expect((detail.packageSpecs?.rows as unknown[])).toHaveLength(1);
+    expect(detail.variants).toHaveLength(1);
 
-    await expect(service.getGood(BigInt(99999999))).rejects.toBeInstanceOf(
+    await expect(service.getGood('99999999')).rejects.toBeInstanceOf(
       NotFoundException,
     );
   });

apps/api/src/public/public.service.ts

@@ -1,12 +1,19 @@
-import { Injectable, NotFoundException } from '@nestjs/common';
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
 import { Category as PrismaCategory, Prisma } from '@prisma/client';
 import { PrismaService } from '../prisma/prisma.service';
-import { PublicQueryGoodDto } from './dto/public-query-good.dto';
+import {
+  PublicHomeGoodsQueryDto,
+  PublicQueryGoodDto,
+} from './dto/public-query-good.dto';
 import { PublicCategoryNodeDto } from './dto/public-category.dto';
 import { PublicCountryDto } from './dto/public-country.dto';
 import { PublicTagDto } from './dto/public-tag.dto';
 import { PublicTagGroupDto } from './dto/public-tag-group.dto';
 import { PublicGoodDto } from './dto/public-good.dto';
+import {
+  PublicGoodDetailDto,
+  PublicTagGroupFilterDto,
+} from './dto/public-good-detail.dto';
 
 export interface PublicPaginatedGoods {
   items: PublicGoodDto[];
@@ -20,17 +27,28 @@ const PUBLIC_GOOD_INCLUDE = {
   category: true,
   tag: { include: { tagGroup: true } },
   position: true,
-  originGood: true,
+  originGood: {
+    include: {
+      detail: true,
+      variants: { orderBy: [{ sortOrder: 'asc' as const }, { id: 'asc' as const }] },
+    },
+  },
   goodTags: { include: { tag: { include: { tagGroup: true } } } },
 } satisfies Prisma.GoodInclude;
 
+type PublicGoodRow = Prisma.GoodGetPayload<{ include: typeof PUBLIC_GOOD_INCLUDE }>;
+
 @Injectable()
 export class PublicService {
   constructor(private readonly prisma: PrismaService) {}
 
-  async getCategoriesTree(): Promise<PublicCategoryNodeDto[]> {
+  async getCategoriesTree(countryId?: string): Promise<PublicCategoryNodeDto[]> {
+    const goodsWhere: Prisma.GoodWhereInput = {
+      originGood: { delisted: false },
+      ...(countryId ? { countryId: BigInt(countryId) } : {}),
+    };
     const leafCategories = await this.prisma.category.findMany({
-      where: { goods: { some: {} } },
+      where: { goods: { some: goodsWhere } },
       orderBy: { id: 'asc' },
     });
     const ancestorIds = new Set<bigint>();
@@ -46,22 +64,30 @@ export class PublicService {
         cursor = parent.parentCategoryId;
       }
     }
-    const ancestorRows = ancestorIds.size > 0
+    const ancestorRows = ancestorIds.size
       ? await this.prisma.category.findMany({
           where: { id: { in: [...ancestorIds] } },
           orderBy: { id: 'asc' },
         })
       : [];
     const allRows = [...leafCategories, ...ancestorRows].filter(
-      (row, idx, arr) => arr.findIndex((r) => r.id === row.id) === idx,
+      (row, index, rows) => rows.findIndex((item) => item.id === row.id) === index,
     );
     allRows.sort((a, b) => Number(a.id - b.id));
-    return this.buildTree(allRows);
+    const directCounts = await this.prisma.good.groupBy({
+      by: ['categoryId'],
+      where: goodsWhere,
+      _count: { _all: true },
+    });
+    return this.buildTree(
+      allRows,
+      new Map(directCounts.map((row) => [row.categoryId, row._count._all])),
+    );
   }
 
   async getCountries(): Promise<PublicCountryDto[]> {
     const rows = await this.prisma.country.findMany({
-      where: { goods: { some: {} } },
+      where: { goods: { some: { originGood: { delisted: false } } } },
       orderBy: { id: 'asc' },
     });
     return rows.map(PublicCountryDto.from);
@@ -69,7 +95,7 @@ export class PublicService {
 
   async getTags(): Promise<PublicTagDto[]> {
     const rows = await this.prisma.tag.findMany({
-      where: { goodTags: { some: {} } },
+      where: { goodTags: { some: { good: { originGood: { delisted: false } } } } },
       orderBy: [
         { tagGroup: { sortOrder: 'asc' } },
         { sortOrder: 'asc' },
@@ -80,99 +106,139 @@ export class PublicService {
     return rows.map(PublicTagDto.from);
   }
 
-  async getTagGroups(): Promise<PublicTagGroupDto[]> {
+  async getTagGroups(countryId?: string): Promise<PublicTagGroupFilterDto[]> {
+    const goodWhere: Prisma.GoodWhereInput = {
+      originGood: { delisted: false },
+      ...(countryId ? { countryId: BigInt(countryId) } : {}),
+    };
     const rows = await this.prisma.tagGroup.findMany({
-      where: { tags: { some: { goodTags: { some: {} } } } },
+      where: { tags: { some: { goodTags: { some: { good: goodWhere } } } } },
       orderBy: [{ sortOrder: 'asc' }, { id: 'asc' }],
+      include: {
+        tags: {
+          where: { goodTags: { some: { good: goodWhere } } },
+          orderBy: [{ sortOrder: 'asc' }, { id: 'asc' }],
+          include: {
+            _count: { select: { goodTags: { where: { good: goodWhere } } } },
+          },
+        },
+      },
     });
-    return rows.map(PublicTagGroupDto.from);
+    return rows.map((group) => ({
+      ...PublicTagGroupDto.from(group),
+      tags: group.tags.map((tag) => ({
+        id: tag.id.toString(),
+        tagName: tag.tagName,
+        tagColor: tag.tagColor,
+        tagFontColor: tag.tagFontColor,
+        sortOrder: tag.sortOrder,
+        productCount: tag._count.goodTags,
+      })),
+    }));
   }
 
   async getGoods(query: PublicQueryGoodDto): Promise<PublicPaginatedGoods> {
-    const where: Prisma.GoodWhereInput = {
+    const where: Prisma.GoodWhereInput = { originGood: { delisted: false } };
-      originGood: { delisted: false },
+    if (query.countryId) where.countryId = BigInt(query.countryId);
-    };
+    if (query.keyword) where.goodName = { contains: query.keyword, mode: 'insensitive' };
-    if (query.countryId !== undefined) where.countryId = BigInt(query.countryId);
+    if (query.categoryId) {
-    if (query.tagIds) {
+      where.categoryId = { in: await this.collectCategoryDescendants(BigInt(query.categoryId)) };
-      const ids = query.tagIds
-        .split(',')
-        .map((s) => s.trim())
-        .filter(Boolean)
-        .map((s) => BigInt(s));
-      if (ids.length > 0) {
-        // AND logic: 商品必须同时具备所有选中的 tag
-        where.AND = ids.map((id) => ({ goodTags: { some: { tagId: id } } }));
-      }
     }
-    if (query.keyword) {
+
-      where.goodName = { contains: query.keyword, mode: 'insensitive' };
+    const tagIds = [
+      ...new Set([
+        ...(query.tagIds ?? []),
+        ...(query.craftIds ?? []),
+        ...(query.materialIds ?? []),
+      ]),
+    ];
+    const tagFilters = await this.buildTagGroupFilters(tagIds, query.freeShipping);
+    if (tagFilters.length) where.AND = tagFilters;
+
+    const minPrice = this.parsePrice(query.minPrice, 'minPrice');
+    const maxPrice = this.parsePrice(query.maxPrice, 'maxPrice');
+    if (minPrice !== null && maxPrice !== null && minPrice > maxPrice) {
+      throw new BadRequestException('minPrice 不能大于 maxPrice');
     }
-    if (query.categoryId !== undefined) {
+    if (minPrice !== null || maxPrice !== null) {
-      const ids = await this.collectCategoryDescendants(BigInt(query.categoryId));
+      where.originGood = {
-      where.categoryId = { in: ids };
+        delisted: false,
+        goodPrice: {
+          ...(minPrice !== null ? { gte: minPrice } : {}),
+          ...(maxPrice !== null ? { lte: maxPrice } : {}),
+        },
+      };
     }
 
+    const orderBy: Prisma.GoodOrderByWithRelationInput[] =
+      query.sort === 'PRICE_ASC'
+        ? [{ originGood: { goodPrice: 'asc' } }, { id: 'asc' }]
+        : query.sort === 'PRICE_DESC'
+          ? [{ originGood: { goodPrice: 'desc' } }, { id: 'asc' }]
+          : query.sort === 'NEWEST'
+            ? [{ createdAt: 'desc' }, { id: 'asc' }]
+            : [
+                { goodPriority: 'desc' },
+                { position: { indexVal: 'asc' } },
+                { createdAt: 'desc' },
+                { id: 'asc' },
+              ];
+
     const [total, rows] = await this.prisma.$transaction([
       this.prisma.good.count({ where }),
       this.prisma.good.findMany({
         where,
         include: PUBLIC_GOOD_INCLUDE,
-        // Server-side primary sort; PublicGoodDto retains original indexes
+        orderBy,
-        // for stable pagination but the final ORDER BY is mirrored below.
-        orderBy: [
-          { goodPriority: 'desc' },
-          { position: { indexVal: 'asc' } },
-          { createdAt: 'desc' },
-        ],
         skip: (query.page - 1) * query.pageSize,
         take: query.pageSize,
       }),
     ]);
-
     return {
-      items: rows.map((g) => this.toPublicGood(g)),
+      items: rows.map((good) => this.toPublicGood(good)),
       total,
       page: query.page,
       pageSize: query.pageSize,
     };
   }
 
-  async getGood(id: bigint): Promise<PublicGoodDto> {
+  async getGood(goodId: string): Promise<PublicGoodDetailDto> {
-    const good = await this.prisma.good.findUnique({
+    const good = await this.prisma.good.findFirst({
-      where: { id },
+      where: { originGood: { sdsGoodId: goodId, delisted: false } },
       include: PUBLIC_GOOD_INCLUDE,
+      orderBy: [{ goodPriority: 'desc' }, { id: 'asc' }],
     });
-    if (!good) throw new NotFoundException(`Good ${id} not found`);
+    if (!good) {
-    return this.toPublicGood(good);
+      throw new NotFoundException({ message: '不存在商品', error: 'PRODUCT_NOT_FOUND' });
+    }
+    return this.toPublicGoodDetail(good);
   }
 
-  private toPublicGood(good: {
+  async getHomeGoods(query: PublicHomeGoodsQueryDto): Promise<PublicGoodDto[]> {
-    id: bigint;
+    const rows = await this.prisma.good.findMany({
-    goodName: string;
+      where: {
-    goodImage: string | null;
+        positionId: { not: null },
-    goodPriority: number;
+        originGood: { delisted: false },
-    country: { id: bigint; countryName: string; countryIcon: string | null };
+        ...(query.countryId ? { countryId: BigInt(query.countryId) } : {}),
-    category: { id: bigint; categoryName: string; categoryIcon: string | null };
+      },
-    tag: { id: bigint; tagName: string; tagColor: string | null; tagFontColor: string | null; tagGroup: { id: bigint; groupName: string; sortOrder: number } | null } | null;
+      include: PUBLIC_GOOD_INCLUDE,
-    position: { id: bigint; indexVal: number } | null;
+      orderBy: [
-    originGood: {
+        { position: { indexVal: 'asc' } },
-      sdsGoodId: string;
+        { goodPriority: 'desc' },
-      goodImage: string | null;
+        { id: 'asc' },
-      goodPrice: { toString(): string } | null;
+      ],
-    };
+      take: query.limit,
-    goodTags: { tag: { id: bigint; tagName: string; tagColor: string | null; tagFontColor: string | null; tagGroup: { id: bigint; groupName: string; sortOrder: number } | null } }[];
+    });
-    createdAt: Date;
+    return rows.map((good) => this.toPublicGood(good));
-  }): PublicGoodDto {
+  }
-    const formatGroup = (g: { id: bigint; groupName: string; sortOrder: number } | null) =>
+
-      g
+  private toPublicGood(good: PublicGoodRow): PublicGoodDto {
-        ? {
+    const formatGroup = (group: { id: bigint; groupName: string; sortOrder: number } | null) =>
-            id: g.id.toString(),
+      group
-            groupName: g.groupName,
+        ? { id: group.id.toString(), groupName: group.groupName, sortOrder: group.sortOrder }
-            sortOrder: g.sortOrder,
-          }
         : null;
     return {
-      id: good.originGood.sdsGoodId,
+      goodId: good.originGood.sdsGoodId,
       goodName: good.goodName,
       goodPriority: good.goodPriority,
       country: {
@@ -194,63 +260,153 @@ export class PublicService {
             group: formatGroup(good.tag.tagGroup),
           }
         : null,
-      tags: good.goodTags.map((gt) => ({
+      tags: good.goodTags.map(({ tag }) => ({
-        id: gt.tag.id.toString(),
+        id: tag.id.toString(),
-        tagName: gt.tag.tagName,
+        tagName: tag.tagName,
-        tagColor: gt.tag.tagColor,
+        tagColor: tag.tagColor,
-        tagFontColor: gt.tag.tagFontColor,
+        tagFontColor: tag.tagFontColor,
-        group: formatGroup(gt.tag.tagGroup),
+        group: formatGroup(tag.tagGroup),
       })),
       position: good.position
-        ? {
+        ? { id: good.position.id.toString(), indexVal: good.position.indexVal }
-            id: good.position.id.toString(),
-            indexVal: good.position.indexVal,
-          }
         : null,
-      image: good.goodImage ?? good.originGood?.goodImage ?? null,
+      image: good.goodImage ?? good.originGood.goodImage,
-      price:
+      price: good.originGood.goodPrice?.toString() ?? null,
-        good.originGood?.goodPrice === null ||
-        good.originGood?.goodPrice === undefined
-          ? null
-          : good.originGood.goodPrice.toString(),
       createdAt: good.createdAt.toISOString(),
     };
   }
 
+  private toPublicGoodDetail(good: PublicGoodRow): PublicGoodDetailDto {
+    const base = this.toPublicGood(good);
+    const detail = good.originGood.detail;
+    return {
+      ...base,
+      productCode: detail?.productCode ?? null,
+      englishName: detail?.englishName ?? null,
+      productionCycleHours: detail?.productionCycleHours ?? null,
+      minWeightG: detail?.minWeightG?.toString() ?? null,
+      details: {
+        reminder: detail?.reminder ?? null,
+        productionProcess: detail?.productionProcess ?? null,
+        materialDescription: detail?.materialDescription ?? null,
+        productPerformance: detail?.productPerformance ?? null,
+        applicableScenarios: detail?.applicableScenarios ?? null,
+        washingInstructions: detail?.washingInstructions ?? null,
+        specialDescription: detail?.specialDescription ?? null,
+        designExplanation: detail?.designExplanation ?? null,
+        designArea: detail?.designArea ?? null,
+        pictureRequest: detail?.pictureRequest ?? null,
+      },
+      media: (detail?.media as Record<string, unknown> | null) ?? null,
+      options: (detail?.options as Record<string, unknown> | null) ?? null,
+      sizeChart: (detail?.sizeChart as Record<string, unknown> | null) ?? null,
+      packageSpecs: (detail?.packageSpecs as Record<string, unknown> | null) ?? null,
+      variants: good.originGood.variants.map((variant) => ({
+        id: variant.sdsVariantId,
+        sku: variant.sku,
+        sizeId: variant.sizeId,
+        sizeName: variant.sizeName,
+        colorId: variant.colorId,
+        colorName: variant.colorName,
+        colorHex: variant.colorHex,
+        imageUrl: variant.imageUrl,
+        price: variant.price?.toString() ?? null,
+        originalPrice: variant.originalPrice?.toString() ?? null,
+        weightG: variant.weightG?.toString() ?? null,
+        boxLengthCm: variant.boxLengthCm?.toString() ?? null,
+        boxWidthCm: variant.boxWidthCm?.toString() ?? null,
+        boxHeightCm: variant.boxHeightCm?.toString() ?? null,
+        enabled: variant.enabled,
+        sortOrder: variant.sortOrder,
+      })),
+      detailSyncedAt: detail?.syncedAt.toISOString() ?? null,
+    };
+  }
+
+  private async buildTagGroupFilters(
+    selectedTagIds: string[],
+    freeShipping?: Array<'FREE_SHIPPING' | 'NOT_FREE_SHIPPING'>,
+  ): Promise<Prisma.GoodWhereInput[]> {
+    const selected = selectedTagIds.length
+      ? await this.prisma.tag.findMany({
+          where: { id: { in: selectedTagIds.map((id) => BigInt(id)) } },
+          select: { id: true, tagGroupId: true },
+        })
+      : [];
+    if (selected.length !== selectedTagIds.length) {
+      throw new BadRequestException('包含不存在的标签 ID');
+    }
+    if (freeShipping?.length) {
+      const names = freeShipping.map((value) =>
+        value === 'FREE_SHIPPING' ? '包邮' : '不包邮',
+      );
+      const shippingTags = await this.prisma.tag.findMany({
+        where: { tagName: { in: names }, tagGroup: { groupName: '物流渠道' } },
+        select: { id: true, tagGroupId: true },
+      });
+      if (shippingTags.length !== new Set(names).size) {
+        throw new BadRequestException('物流渠道标签配置不完整');
+      }
+      selected.push(...shippingTags);
+    }
+    const byGroup = new Map<string, bigint[]>();
+    for (const tag of selected) {
+      const key = tag.tagGroupId?.toString() ?? `tag:${tag.id.toString()}`;
+      const ids = byGroup.get(key) ?? [];
+      if (!ids.some((id) => id === tag.id)) ids.push(tag.id);
+      byGroup.set(key, ids);
+    }
+    return [...byGroup.values()].map((ids) => ({
+      goodTags: { some: { tagId: { in: ids } } },
+    }));
+  }
+
+  private parsePrice(value: string | undefined, field: string): number | null {
+    if (value === undefined || value === '') return null;
+    const parsed = Number(value);
+    if (!Number.isFinite(parsed) || parsed < 0) {
+      throw new BadRequestException(`${field} 必须是大于等于 0 的金额`);
+    }
+    return parsed;
+  }
+
   private async collectCategoryDescendants(rootId: bigint): Promise<bigint[]> {
     const ids: bigint[] = [rootId];
     let frontier: bigint[] = [rootId];
-    while (frontier.length > 0) {
+    while (frontier.length) {
       const children = await this.prisma.category.findMany({
         where: { parentCategoryId: { in: frontier } },
         select: { id: true },
       });
-      if (children.length === 0) break;
+      if (!children.length) break;
-      const childIds = children.map((c) => c.id);
+      frontier = children.map((child) => child.id);
-      ids.push(...childIds);
+      ids.push(...frontier);
-      frontier = childIds;
     }
     return ids;
   }
 
   private buildTree(
     rows: PrismaCategory[],
+    directCounts: Map<bigint, number>,
   ): PublicCategoryNodeDto[] {
     const byId = new Map<bigint, PublicCategoryNodeDto>();
     for (const row of rows) {
-      byId.set(row.id, PublicCategoryNodeDto.from(row, []));
+      const node = PublicCategoryNodeDto.from(row, []);
+      node.productCount = directCounts.get(row.id) ?? 0;
+      byId.set(row.id, node);
     }
     const roots: PublicCategoryNodeDto[] = [];
     for (const row of rows) {
       const node = byId.get(row.id)!;
-      if (row.parentCategoryId === null) {
+      const parent = row.parentCategoryId === null ? null : byId.get(row.parentCategoryId);
-        roots.push(node);
+      if (parent) parent.children.push(node);
-      } else {
+      else roots.push(node);
-        const parent = byId.get(row.parentCategoryId);
-        if (parent) parent.children.push(node);
-        else roots.push(node);
-      }
     }
+    const total = (node: PublicCategoryNodeDto): number => {
+      node.productCount += node.children.reduce((sum, child) => sum + total(child), 0);
+      return node.productCount;
+    };
+    roots.forEach(total);
     return roots;
   }
 }

apps/api/src/sync/sds-client.service.spec.ts

@@ -33,4 +33,23 @@ describe('SdsClientService', () => {
       expect(result).toHaveLength(20);
     });
   });
+
+  describe('fetchProductDetail', () => {
+    it('requests /products/{goodId} and validates the returned id', async () => {
+      http.get.mockReturnValue(of({ data: { id: 168746, sku: 'OZ10827003' } }));
+
+      const result = await service.fetchProductDetail('168746');
+
+      expect(result.sku).toBe('OZ10827003');
+      expect(http.get).toHaveBeenCalledWith(
+        'https://mapi.sdspod.com/products/168746',
+        expect.objectContaining({ headers: expect.any(Object) }),
+      );
+    });
+
+    it('rejects a mismatched product response', async () => {
+      http.get.mockReturnValue(of({ data: { id: 1 } }));
+      await expect(service.fetchProductDetail('168746')).rejects.toThrow(/id mismatch/i);
+    });
+  });
 });

apps/api/src/sync/sds-client.service.ts

@@ -52,6 +52,86 @@ export interface SdsProductsPage {
   [key: string]: unknown;
 }
 
+export interface SdsProductVariant extends Record<string, unknown> {
+  id?: number | string;
+  sku?: string;
+  size?: string;
+  sizeId?: number | string;
+  sizeDto?: { id?: number | string; sizeName?: string };
+  colorId?: number | string;
+  color_name?: string;
+  color?: {
+    colorId?: number | string;
+    color?: string;
+    color_name?: string;
+    chineseName?: string;
+  };
+  currentPrice?: number | string;
+  originalPrice?: number | string;
+  unit_price?: number | string;
+  min_price?: number | string;
+  weight?: number | string;
+  box_length?: number | string;
+  box_width?: number | string;
+  box_height?: number | string;
+  status?: number | string;
+  delFlag?: number | string;
+  size_sort?: number | string;
+  attribute_sort?: string;
+  psd_img_url?: string;
+  img_url?: string;
+  blankDesignUrl?: string;
+  designPrototype?: {
+    detailImgUrls?: Array<{ imageUrl?: string }>;
+    prototypeResultGroups?: Array<{ resultImage?: string }>;
+    [key: string]: unknown;
+  };
+}
+
+export interface SdsProductDetail extends Record<string, unknown> {
+  id: number | string;
+  name?: string;
+  sku?: string;
+  english_name?: string;
+  blankDesignUrl?: string;
+  detailsPageVideoUrl?: string;
+  productionCycle?: number | string;
+  minWeight?: number | string;
+  min_price?: number | string;
+  updateTime?: number | string;
+  psd_img_url?: string;
+  img_url?: string;
+  texture?: { name?: string };
+  product_details?: {
+    reminder?: string;
+    production_process?: string;
+    material_description?: string;
+    product_performance?: string;
+    applicable_scenarios?: string;
+    washing_instructions?: string;
+    special_description?: string;
+    design_explanation?: string;
+    design_area?: string;
+    picture_request?: string;
+    product_size?: string;
+    packaging_specification?: string;
+  };
+  subproducts?: {
+    attributers?: Array<{
+      size?: string;
+      sizeId?: number | string;
+      colors?: Array<{
+        colorId?: number | string;
+        color?: string;
+        color_name?: string;
+        chineseName?: string;
+        colorSort?: number | string;
+      }>;
+    }>;
+    items?: SdsProductVariant[];
+  };
+}
+
 /**
  * Thin wrapper around the SDS (mapi.sdspod.com) endpoints that the
  * `SyncService` consumes.
@@ -137,4 +217,17 @@ export class SdsClientService {
     }
     return data as SdsProductsPage;
   }
+
+  async fetchProductDetail(goodId: string | number): Promise<SdsProductDetail> {
+    const url = `${this.baseUrl}/products/${encodeURIComponent(String(goodId))}`;
+    const data = await this.request<unknown>('get', url);
+    if (!data || typeof data !== 'object' || Array.isArray(data)) {
+      throw new Error(`SDS product detail returned ${typeof data}, expected object`);
+    }
+    const detail = data as SdsProductDetail;
+    if (String(detail.id) !== String(goodId)) {
+      throw new Error(`SDS product detail id mismatch: expected ${goodId}, got ${String(detail.id)}`);
+    }
+    return detail;
+  }
 }

apps/api/src/sync/sds-product-detail.mapper.spec.ts

@@ -0,0 +1,86 @@
+import {
+  normalizeProductDetail,
+  parsePackageSpecs,
+  parseSizeChart,
+} from './sds-product-detail.mapper';
+
+const sizeTable = JSON.stringify([
+  ['尺码', '衣长(cm/in)', '胸围(cm/in)', '肩宽(cm/in)', '袖长(cm/in)'].map((content) => ({ content, remark: '' })),
+  ['S', '71', '92', '43', '22'].map((content) => ({ content, remark: '' })),
+  ['M', '74', '102', '45', '22'].map((content) => ({ content, remark: '' })),
+  ['L', '76', '112', '48', '23'].map((content) => ({ content, remark: '' })),
+  ['XL', '79', '122', '51', '23'].map((content) => ({ content, remark: '' })),
+  ['2XL', '82', '132', '53', '25'].map((content) => ({ content, remark: '' })),
+  ['3XL', '84', '142', '56', '25'].map((content) => ({ content, remark: '' })),
+]);
+
+const packageTable = JSON.stringify([
+  ['尺码', '包装尺寸（cm）', '包装尺寸（in）', '包装体积（cm³）', '包装体积（in³）', '含包装重量（g）', '含包装重量（lb）'].map((content) => ({ content })),
+  ['S', '36.0*26.0*1.0\t', '14.17*10.24*0.39\t', '936.00', '57.12', '208.00', '0.46'].map((content) => ({ content })),
+  ['M', '36.0*26.0*1.0', '14.17*10.24*0.39', '936.00', '57.12', '218.00', '0.48'].map((content) => ({ content })),
+]);
+
+describe('SDS product detail mapper', () => {
+  it('parses the product_detail.txt size table into structured rows', () => {
+    const chart = parseSizeChart(sizeTable) as any;
+    expect(chart.columns.map((column: any) => column.key)).toEqual([
+      'bodyLength',
+      'chest',
+      'shoulder',
+      'sleeveLength',
+    ]);
+    expect(chart.rows).toHaveLength(6);
+    expect(chart.rows[0].measurements[0]).toEqual({ key: 'bodyLength', cm: '71', in: '27.95' });
+  });
+
+  it('parses packaging dimensions and weights', () => {
+    const specs = parsePackageSpecs(packageTable) as any;
+    expect(specs.rows).toHaveLength(2);
+    expect(specs.rows[0].dimensionsCm).toEqual({ length: '36.0', width: '26.0', height: '1.0' });
+    expect(specs.rows[0].grossWeightG).toBe('208.00');
+  });
+
+  it('normalizes detail text, options and variants', () => {
+    const normalized = normalizeProductDetail({
+      id: 168746,
+      sku: 'OZ10827003',
+      english_name: 't-shirt',
+      productionCycle: 24,
+      minWeight: 250,
+      product_details: {
+        production_process: '白墨烫画',
+        material_description: '100%纯棉',
+        product_size: sizeTable,
+        packaging_specification: packageTable,
+      },
+      subproducts: {
+        attributers: [{
+          size: 'S',
+          sizeId: 1922304,
+          colors: [{ colorId: 1139383, color: '#000300', color_name: 'black', colorSort: 1 }],
+        }],
+        items: [{
+          id: 168747,
+          sku: 'OZ10827003001',
+          size: 'S',
+          sizeId: 1922304,
+          colorId: 1139383,
+          color: { colorId: 1139383, color: '#000300', color_name: 'black' },
+          currentPrice: 38,
+          originalPrice: 38,
+          weight: 250,
+          box_length: 30,
+          box_width: 20,
+          box_height: 5,
+          status: 1,
+          delFlag: '0',
+        }],
+      },
+    });
+
+    expect(normalized.productCode).toBe('OZ10827003');
+    expect(normalized.productionProcess).toBe('白墨烫画');
+    expect(normalized.variants[0].sku).toBe('OZ10827003001');
+    expect(normalized.variants[0].price?.toString()).toBe('38');
+  });
+});

apps/api/src/sync/sds-product-detail.mapper.ts

@@ -0,0 +1,261 @@
+import { Prisma } from '@prisma/client';
+import { SdsProductDetail, SdsProductVariant } from './sds-client.service';
+
+type TableCell = { content?: unknown; remark?: unknown };
+type Table = TableCell[][];
+
+export interface NormalizedVariant {
+  sdsVariantId: string;
+  sku: string;
+  sizeId: string | null;
+  sizeName: string | null;
+  colorId: string | null;
+  colorName: string | null;
+  colorHex: string | null;
+  imageUrl: string | null;
+  price: Prisma.Decimal | null;
+  originalPrice: Prisma.Decimal | null;
+  weightG: Prisma.Decimal | null;
+  boxLengthCm: Prisma.Decimal | null;
+  boxWidthCm: Prisma.Decimal | null;
+  boxHeightCm: Prisma.Decimal | null;
+  enabled: boolean;
+  sortOrder: number;
+  designData: Prisma.InputJsonValue | null;
+}
+
+export interface NormalizedProductDetail {
+  productCode: string | null;
+  englishName: string | null;
+  blankDesignUrl: string | null;
+  detailsPageVideoUrl: string | null;
+  textureName: string | null;
+  productionCycleHours: number | null;
+  minWeightG: Prisma.Decimal | null;
+  reminder: string | null;
+  productionProcess: string | null;
+  materialDescription: string | null;
+  productPerformance: string | null;
+  applicableScenarios: string | null;
+  washingInstructions: string | null;
+  specialDescription: string | null;
+  designExplanation: string | null;
+  designArea: string | null;
+  pictureRequest: string | null;
+  sizeChart: Prisma.InputJsonValue | null;
+  packageSpecs: Prisma.InputJsonValue | null;
+  options: Prisma.InputJsonValue | null;
+  media: Prisma.InputJsonValue | null;
+  upstreamUpdatedAt: Date | null;
+  variants: NormalizedVariant[];
+}
+
+const text = (value: unknown): string | null => {
+  if (value === undefined || value === null) return null;
+  const normalized = String(value).trim();
+  return normalized.length > 0 ? normalized : null;
+};
+
+const decimal = (value: unknown): Prisma.Decimal | null => {
+  if (value === undefined || value === null || value === '') return null;
+  const n = Number(value);
+  return Number.isFinite(n) ? new Prisma.Decimal(n) : null;
+};
+
+const integer = (value: unknown): number | null => {
+  const n = Number(value);
+  return Number.isInteger(n) ? n : null;
+};
+
+function parseTable(raw: unknown): Table | null {
+  if (typeof raw !== 'string' || raw.trim() === '') return null;
+  try {
+    const parsed = JSON.parse(raw) as unknown;
+    if (!Array.isArray(parsed) || parsed.length < 2) return null;
+    const rows = parsed.filter(Array.isArray) as Table;
+    return rows.length >= 2 ? rows : null;
+  } catch {
+    return null;
+  }
+}
+
+const cell = (row: TableCell[], index: number): string =>
+  text(row[index]?.content)?.replace(/\t/g, '').trim() ?? '';
+
+const measurementKey = (header: string, index: number): string => {
+  if (header.includes('衣长')) return 'bodyLength';
+  if (header.includes('胸围')) return 'chest';
+  if (header.includes('肩宽')) return 'shoulder';
+  if (header.includes('袖长')) return 'sleeveLength';
+  return `measurement${index}`;
+};
+
+export function parseSizeChart(raw: unknown): Prisma.InputJsonValue | null {
+  const table = parseTable(raw);
+  if (!table) return null;
+  const [header, ...body] = table;
+  const columns = header.slice(1).map((item, index) => {
+    const name = text(item.content)?.replace(/\s*\(cm\/in\)\s*/i, '') ?? `规格${index + 1}`;
+    return { key: measurementKey(name, index + 1), name };
+  });
+  const rows = body
+    .map((row, rowIndex) => {
+      const sizeName = cell(row, 0);
+      if (!sizeName) return null;
+      return {
+        sizeId: `size_${rowIndex}`,
+        sizeName,
+        measurements: columns.map((column, index) => {
+          const cm = cell(row, index + 1);
+          const cmNumber = Number(cm);
+          return {
+            key: column.key,
+            cm: cm || null,
+            in: Number.isFinite(cmNumber) ? (cmNumber / 2.54).toFixed(2) : null,
+          };
+        }),
+      };
+    })
+    .filter((row): row is NonNullable<typeof row> => row !== null);
+  return { columns, rows } as Prisma.InputJsonValue;
+}
+
+function dimensions(value: string): { length: string; width: string; height: string } | null {
+  const parts = value
+    .replace(/[×x]/gi, '*')
+    .split('*')
+    .map((part) => part.trim());
+  if (parts.length !== 3 || parts.some((part) => !Number.isFinite(Number(part)))) return null;
+  return { length: parts[0], width: parts[1], height: parts[2] };
+}
+
+export function parsePackageSpecs(raw: unknown): Prisma.InputJsonValue | null {
+  const table = parseTable(raw);
+  if (!table) return null;
+  const rows = table.slice(1)
+    .map((row, rowIndex) => {
+      const sizeName = cell(row, 0);
+      if (!sizeName) return null;
+      return {
+        sizeId: `size_${rowIndex}`,
+        sizeName,
+        dimensionsCm: dimensions(cell(row, 1)),
+        dimensionsIn: dimensions(cell(row, 2)),
+        volumeCm3: cell(row, 3) || null,
+        volumeIn3: cell(row, 4) || null,
+        grossWeightG: cell(row, 5) || null,
+        grossWeightLb: cell(row, 6) || null,
+      };
+    })
+    .filter((row): row is NonNullable<typeof row> => row !== null);
+  return { rows } as Prisma.InputJsonValue;
+}
+
+function normalizeOptions(detail: SdsProductDetail): Prisma.InputJsonValue | null {
+  const attributers = detail.subproducts?.attributers;
+  if (!Array.isArray(attributers)) return null;
+  const sizeMap = new Map<string, { id: string; name: string; sortOrder: number; enabled: boolean }>();
+  const colorMap = new Map<string, { id: string; name: string; hex: string | null; sortOrder: number; enabled: boolean }>();
+  attributers.forEach((attribute, sizeIndex) => {
+    const sizeName = text(attribute.size);
+    const sizeId = text(attribute.sizeId) ?? `size_${sizeIndex}`;
+    if (sizeName) sizeMap.set(sizeId, { id: sizeId, name: sizeName, sortOrder: sizeIndex, enabled: true });
+    if (Array.isArray(attribute.colors)) {
+      attribute.colors.forEach((color, colorIndex) => {
+        const colorId = text(color.colorId) ?? `color_${colorIndex}`;
+        if (!colorMap.has(colorId)) {
+          colorMap.set(colorId, {
+            id: colorId,
+            name: text(color.chineseName) ?? text(color.color_name) ?? colorId,
+            hex: text(color.color),
+            sortOrder: integer(color.colorSort) ?? colorIndex,
+            enabled: true,
+          });
+        }
+      });
+    }
+  });
+  return { sizes: [...sizeMap.values()], colors: [...colorMap.values()] } as Prisma.InputJsonValue;
+}
+
+function normalizeMedia(detail: SdsProductDetail, variants: SdsProductVariant[]): Prisma.InputJsonValue | null {
+  const urls: string[] = [];
+  const add = (value: unknown) => {
+    const url = text(value);
+    if (url && !urls.includes(url)) urls.push(url);
+  };
+  add(detail.blankDesignUrl);
+  add(detail.psd_img_url);
+  add(detail.img_url);
+  for (const variant of variants) {
+    add(variant.psd_img_url);
+    add(variant.img_url);
+    add(variant.blankDesignUrl);
+    for (const image of variant.designPrototype?.detailImgUrls ?? []) add(image.imageUrl);
+    for (const image of variant.designPrototype?.prototypeResultGroups ?? []) add(image.resultImage);
+  }
+  if (urls.length === 0) return null;
+  return {
+    primaryImageUrl: urls[0],
+    images: urls.map((url, index) => ({ id: `image_${index}`, url, sortOrder: index })),
+  } as Prisma.InputJsonValue;
+}
+
+function normalizeVariant(variant: SdsProductVariant, index: number): NormalizedVariant | null {
+  const sdsVariantId = text(variant.id);
+  const sku = text(variant.sku);
+  if (!sdsVariantId || !sku) return null;
+  return {
+    sdsVariantId,
+    sku,
+    sizeId: text(variant.sizeId) ?? text(variant.sizeDto?.id),
+    sizeName: text(variant.size) ?? text(variant.sizeDto?.sizeName),
+    colorId: text(variant.colorId) ?? text(variant.color?.colorId),
+    colorName: text(variant.color?.chineseName) ?? text(variant.color_name) ?? text(variant.color?.color_name),
+    colorHex: text(variant.color?.color),
+    imageUrl: text(variant.psd_img_url) ?? text(variant.img_url) ?? text(variant.blankDesignUrl),
+    price: decimal(variant.currentPrice ?? variant.unit_price ?? variant.min_price),
+    originalPrice: decimal(variant.originalPrice),
+    weightG: decimal(variant.weight),
+    boxLengthCm: decimal(variant.box_length),
+    boxWidthCm: decimal(variant.box_width),
+    boxHeightCm: decimal(variant.box_height),
+    enabled: Number(variant.status ?? 1) === 1 && String(variant.delFlag ?? '0') === '0',
+    sortOrder: integer(variant.attribute_sort?.split('-')[0]) ?? integer(variant.size_sort) ?? index,
+    designData: variant.designPrototype ? (variant.designPrototype as Prisma.InputJsonValue) : null,
+  };
+}
+
+export function normalizeProductDetail(detail: SdsProductDetail): NormalizedProductDetail {
+  const productDetails = detail.product_details ?? {};
+  const sourceVariants = Array.isArray(detail.subproducts?.items) ? detail.subproducts!.items! : [];
+  const variants = sourceVariants
+    .map(normalizeVariant)
+    .filter((variant): variant is NormalizedVariant => variant !== null);
+  const updatedAt = Number(detail.updateTime);
+  return {
+    productCode: text(detail.sku),
+    englishName: text(detail.english_name),
+    blankDesignUrl: text(detail.blankDesignUrl),
+    detailsPageVideoUrl: text(detail.detailsPageVideoUrl),
+    textureName: text(detail.texture?.name),
+    productionCycleHours: integer(detail.productionCycle),
+    minWeightG: decimal(detail.minWeight),
+    reminder: text(productDetails.reminder),
+    productionProcess: text(productDetails.production_process),
+    materialDescription: text(productDetails.material_description),
+    productPerformance: text(productDetails.product_performance),
+    applicableScenarios: text(productDetails.applicable_scenarios),
+    washingInstructions: text(productDetails.washing_instructions),
+    specialDescription: text(productDetails.special_description),
+    designExplanation: text(productDetails.design_explanation),
+    designArea: text(productDetails.design_area),
+    pictureRequest: text(productDetails.picture_request),
+    sizeChart: parseSizeChart(productDetails.product_size),
+    packageSpecs: parsePackageSpecs(productDetails.packaging_specification),
+    options: normalizeOptions(detail),
+    media: normalizeMedia(detail, sourceVariants),
+    upstreamUpdatedAt: Number.isFinite(updatedAt) ? new Date(updatedAt) : null,
+    variants,
+  };
+}

apps/api/src/sync/sync.service.spec.ts

@@ -19,6 +19,7 @@ describe('SyncService', () => {
     const sdsMock: Partial<SdsClientService> = {
       fetchCategoryTree: jest.fn(),
       fetchProductsPage: jest.fn(),
+      fetchProductDetail: jest.fn(async (goodId: string | number) => ({ id: goodId })),
     };
     const moduleRef = await Test.createTestingModule({
       imports: [ConfigModule.forRoot({ isGlobal: true })],
@@ -29,6 +30,9 @@ describe('SyncService', () => {
       ],
     }).compile();
     service = moduleRef.get(SyncService);
+    jest
+      .spyOn(service, 'syncConfiguredProductDetails')
+      .mockResolvedValue({ synced: 0, failed: 0 });
     sds = moduleRef.get(SdsClientService) as jest.Mocked<SdsClientService>;
     prisma = moduleRef.get(PrismaService);
     await prisma.onModuleInit();

apps/api/src/sync/sync.service.ts

@@ -2,7 +2,13 @@ import { Injectable, Logger } from '@nestjs/common';
 import { Cron, CronExpression } from '@nestjs/schedule';
 import { Prisma } from '@prisma/client';
 import { PrismaService } from '../prisma/prisma.service';
-import { SdsClientService, SdsCategoryTreeNode, SdsProduct } from './sds-client.service';
+import {
+  SdsClientService,
+  SdsCategoryTreeNode,
+  SdsProduct,
+  SdsProductDetail,
+} from './sds-client.service';
+import { normalizeProductDetail } from './sds-product-detail.mapper';
 
 export interface CategorySyncResult {
   inserted: number;
@@ -17,6 +23,8 @@ export interface ProductSyncResult {
   total: number;
   leafCategories: number;
   delisted: number;
+  detailsSynced: number;
+  detailFailures: number;
 }
 
 /**
@@ -339,15 +347,28 @@ export class SyncService {
         );
       }
 
+      // Only hydrate full details for products selected in the website catalog.
+      // This keeps the hourly sync bounded and preserves the existing Good/tag
+      // merchandising model. A failed detail request never erases cached data.
+      const detailResult = await this.syncConfiguredProductDetails();
+
       await this.prisma.syncLog.update({
         where: { id: log.id },
         data: {
           status: 'SUCCESS',
           finishedAt: new Date(),
-          message: `inserted=${inserted} updated=${updated} total=${total} delisted=${delistedCount} reactivated=${reactivatedCount} leafCategories=${leafRows.length}`,
+          message: `inserted=${inserted} updated=${updated} total=${total} delisted=${delistedCount} reactivated=${reactivatedCount} leafCategories=${leafRows.length} detailsSynced=${detailResult.synced} detailFailures=${detailResult.failed}`,
         },
       });
-      return { inserted, updated, total, leafCategories: leafRows.length, delisted: delistedCount };
+      return {
+        inserted,
+        updated,
+        total,
+        leafCategories: leafRows.length,
+        delisted: delistedCount,
+        detailsSynced: detailResult.synced,
+        detailFailures: detailResult.failed,
+      };
     } catch (err) {
       const message = err instanceof Error ? err.message : String(err);
       await this.prisma.syncLog.update({
@@ -371,6 +392,120 @@ export class SyncService {
     });
   }
 
+  async syncConfiguredProductDetails(): Promise<{ synced: number; failed: number }> {
+    const configured = await this.prisma.originGood.findMany({
+      where: { delisted: false, goods: { some: {} } },
+      select: { id: true, sdsGoodId: true },
+      orderBy: { id: 'asc' },
+    });
+    let synced = 0;
+    let failed = 0;
+    for (const originGood of configured) {
+      try {
+        const upstream = await this.sds.fetchProductDetail(originGood.sdsGoodId);
+        await this.persistProductDetail(originGood.id, upstream);
+        synced++;
+      } catch (error) {
+        failed++;
+        const message = error instanceof Error ? error.message : String(error);
+        this.logger.warn(`Failed to sync SDS detail ${originGood.sdsGoodId}: ${message}`);
+      }
+    }
+    return { synced, failed };
+  }
+
+  async importProductDetail(upstream: SdsProductDetail): Promise<{
+    goodId: string;
+    variants: number;
+    sizeRows: number;
+    packageRows: number;
+    configuredGoods: number;
+  }> {
+    const goodId = String(upstream.id);
+    const normalized = normalizeProductDetail(upstream);
+    const originGood = await this.prisma.originGood.upsert({
+      where: { sdsGoodId: goodId },
+      create: {
+        sdsGoodId: goodId,
+        goodName: String(upstream.name ?? goodId),
+        goodImage: String(upstream.psd_img_url ?? upstream.img_url ?? upstream.blankDesignUrl ?? '') || null,
+        goodPrice:
+          upstream.min_price === undefined || upstream.min_price === null
+            ? null
+            : new Prisma.Decimal(Number(upstream.min_price)),
+      },
+      update: {
+        goodName: upstream.name ? String(upstream.name) : undefined,
+        goodImage: String(upstream.psd_img_url ?? upstream.img_url ?? upstream.blankDesignUrl ?? '') || undefined,
+        goodPrice:
+          upstream.min_price === undefined || upstream.min_price === null
+            ? undefined
+            : new Prisma.Decimal(Number(upstream.min_price)),
+      },
+    });
+    await this.persistProductDetail(originGood.id, upstream);
+    const configuredGoods = await this.prisma.good.count({
+      where: { originGoodId: originGood.id },
+    });
+    const sizeChart = normalized.sizeChart as { rows?: unknown[] } | null;
+    const packageSpecs = normalized.packageSpecs as { rows?: unknown[] } | null;
+    return {
+      goodId,
+      variants: normalized.variants.length,
+      sizeRows: sizeChart?.rows?.length ?? 0,
+      packageRows: packageSpecs?.rows?.length ?? 0,
+      configuredGoods,
+    };
+  }
+
+  private async persistProductDetail(originGoodId: bigint, upstream: SdsProductDetail): Promise<void> {
+    const normalized = normalizeProductDetail(upstream);
+    const { variants, ...detail } = normalized;
+    await this.prisma.$transaction(async (tx) => {
+      const json = (value: Prisma.InputJsonValue | null) => value ?? Prisma.DbNull;
+      await tx.originGoodDetail.upsert({
+        where: { originGoodId },
+        create: {
+          originGoodId,
+          ...detail,
+          sizeChart: json(detail.sizeChart),
+          packageSpecs: json(detail.packageSpecs),
+          options: json(detail.options),
+          media: json(detail.media),
+        },
+        update: {
+          ...detail,
+          sizeChart: json(detail.sizeChart),
+          packageSpecs: json(detail.packageSpecs),
+          options: json(detail.options),
+          media: json(detail.media),
+          syncedAt: new Date(),
+        },
+      });
+      const seenVariantIds: string[] = [];
+      for (const variant of variants) {
+        seenVariantIds.push(variant.sdsVariantId);
+        const { designData, ...data } = variant;
+        await tx.originGoodVariant.upsert({
+          where: {
+            originGoodId_sdsVariantId: {
+              originGoodId,
+              sdsVariantId: variant.sdsVariantId,
+            },
+          },
+          create: { originGoodId, ...data, designData: json(designData) },
+          update: { ...data, designData: json(designData) },
+        });
+      }
+      await tx.originGoodVariant.deleteMany({
+        where: {
+          originGoodId,
+          ...(seenVariantIds.length ? { sdsVariantId: { notIn: seenVariantIds } } : {}),
+        },
+      });
+    });
+  }
+
   /**
    * Flattens the SDS nested tree into a list of `{ sdsId, parentSdsId?, name, icon? }`.
    */

apps/website/app/composables/useProductCenter.ts

@@ -145,7 +145,7 @@ interface BackendTag {
 }
 
 interface BackendProduct {
-  id: string;
+  goodId: string;
   goodName: string;
   goodPriority: number;
   country: { id: string; countryName: string; countryIcon: string | null };
@@ -243,7 +243,7 @@ export function resolveDefaultProductFilters(
 
 function mapProduct(p: BackendProduct, backendUrl: string): Product {
   return {
-    id: p.id,
+    id: p.goodId,
     name: p.goodName,
     priority: p.goodPriority,
     image: resolveBackendAssetUrl(p.image, backendUrl),