Add dock category seed helper and product tag/prep fields.

Ensures chocolate and baklava exist for the website categories dock, and supports tag-filtered product lists for home carousels.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/products/dto/create-product.dto.ts

@@ -8,6 +8,7 @@ import {
   IsString,
   Min,
   MinLength,
+  ValidateIf,
   ValidateNested,
 } from 'class-validator';
 
@@ -61,6 +62,14 @@ export class CreateProductDto {
   @IsString()
   description?: string;
 
+  /** null = ready immediately (no prep time) */
+  @IsOptional()
+  @ValidateIf((_, value) => value !== null && value !== undefined)
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  preparationHours?: number | null;
+
   @IsOptional()
   @IsArray()
   @IsString({ each: true })

src/products/dto/list-products-query.dto.ts

@@ -14,6 +14,10 @@ export class ListProductsQueryDto {
   @IsString()
   categorySlug?: string;
 
+  @IsOptional()
+  @IsString()
+  tag?: string;
+
   @IsOptional()
   @Type(() => Number)
   @IsInt()

src/products/dto/update-product.dto.ts

@@ -8,6 +8,7 @@ import {
   IsString,
   Min,
   MinLength,
+  ValidateIf,
   ValidateNested,
 } from 'class-validator';
 import {
@@ -47,6 +48,14 @@ export class UpdateProductDto {
   @IsString()
   description?: string;
 
+  /** null = ready immediately (no prep time) */
+  @IsOptional()
+  @ValidateIf((_, value) => value !== null && value !== undefined)
+  @Type(() => Number)
+  @IsInt()
+  @Min(1)
+  preparationHours?: number | null;
+
   @IsOptional()
   @IsArray()
   @IsString({ each: true })

src/products/products.service.ts

@@ -35,6 +35,9 @@ export class ProductsService {
 
     const where = {
       ...(categoryIds ? { categoryId: { in: categoryIds } } : {}),
+      ...(query.tag?.trim()
+        ? { tags: { has: query.tag.trim() } }
+        : {}),
       ...(query.minPrice !== undefined || query.maxPrice !== undefined
         ? {
             price: {
@@ -100,6 +103,7 @@ export class ProductsService {
         sellUnit: dto.sellUnit,
         intro: dto.intro ?? '',
         description: dto.description ?? '',
+        preparationHours: dto.preparationHours ?? null,
         tags: dto.tags ?? [],
         mainImageUrl: dto.mainImageUrl,
         mainImageKey: dto.mainImageKey,
@@ -178,6 +182,9 @@ export class ProductsService {
           ...(dto.sellUnit !== undefined ? { sellUnit: dto.sellUnit } : {}),
           ...(dto.intro !== undefined ? { intro: dto.intro } : {}),
           ...(dto.description !== undefined ? { description: dto.description } : {}),
+          ...(dto.preparationHours !== undefined
+            ? { preparationHours: dto.preparationHours }
+            : {}),
           ...(dto.tags !== undefined ? { tags: dto.tags } : {}),
           ...(dto.mainImageUrl !== undefined
             ? { mainImageUrl: dto.mainImageUrl }