feat(F-102): completed feature

project/src/modules/catalog/api/catalog.routes.ts

@@ -94,6 +94,8 @@ const newProductSchema = z.object({
   categoryIds: z.array(z.uuid()).max(50).optional(),
   brandId: z.uuid().optional().nullable(),
   expirationDate: z.iso.date().optional().nullable(),
+  unitWeightKg: z.number().positive().max(1000).optional(),
+  minPurchaseQty: z.number().int().min(1).max(999).optional(),
 });
 
 const productPatchSchema = newProductSchema
@@ -727,6 +729,8 @@ function serializeProduct(product: Product, images: ProductImage[] = []) {
     brandId: product.brandId,
     brand: product.brand,
     expirationDate: product.expirationDate,
+    unitWeightKg: product.unitWeightKg,
+    minPurchaseQty: product.minPurchaseQty,
     createdAt: product.createdAt.toISOString(),
     updatedAt: product.updatedAt.toISOString(),
   };

project/src/modules/catalog/domain/product.ts

@@ -51,6 +51,10 @@ export interface Product {
   brandId: string | null;
   brand?: ProductBrandSummary;
   expirationDate: string | null;
+  /** Peso unitario en kg (el peso del pedido es cantidad × este valor). */
+  unitWeightKg: number;
+  /** Cantidad mínima de compra; el frontend bloquea pedidos por debajo. */
+  minPurchaseQty: number;
   createdAt: Date;
   updatedAt: Date;
 }
@@ -68,6 +72,8 @@ export interface NewProduct {
   categoryIds?: string[];
   brandId?: string | null;
   expirationDate?: string | null;
+  unitWeightKg?: number;
+  minPurchaseQty?: number;
 }
 
 /** Fields a product update may set. Undefined = leave unchanged. */

project/src/modules/catalog/infrastructure/pg-product-repository.ts

@@ -26,6 +26,8 @@ export interface ProductRow {
   brand_name: string | null;
   brand_slug: string | null;
   expiration_date: string | null;
+  unit_weight_kg: string | number;
+  min_purchase_qty: number;
   created_at: Date;
   updated_at: Date;
 }
@@ -55,6 +57,8 @@ const UPDATABLE: ReadonlyArray<[keyof ProductPatch, string]> = [
   ['seoDescription', 'seo_description'],
   ['brandId', 'brand_id'],
   ['expirationDate', 'expiration_date'],
+  ['unitWeightKg', 'unit_weight_kg'],
+  ['minPurchaseQty', 'min_purchase_qty'],
 ];
 
 export class PgProductRepository implements ProductRepository {
@@ -93,8 +97,8 @@ export class PgProductRepository implements ProductRepository {
     try {
       await client.query('BEGIN');
       const result = await client.query<ProductRow>(
-        `INSERT INTO catalog_products (name, slug, description, state, seo_title, seo_description, brand_id, expiration_date)
-         VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
+        `INSERT INTO catalog_products (name, slug, description, state, seo_title, seo_description, brand_id, expiration_date, unit_weight_kg, min_purchase_qty)
+         VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
          RETURNING *, ARRAY[]::uuid[] AS category_ids`,
         [
           input.name,
@@ -105,6 +109,8 @@ export class PgProductRepository implements ProductRepository {
           input.seoDescription ?? null,
           input.brandId ?? null,
           input.expirationDate ?? null,
+          input.unitWeightKg ?? 1,
+          input.minPurchaseQty ?? 1,
         ],
       );
       const row = result.rows[0];
@@ -306,6 +312,8 @@ export function toProduct(row: ProductRow): Product {
         : undefined,
     categoryIds: row.category_ids ?? [],
     expirationDate: row.expiration_date ?? null,
+    unitWeightKg: Number(row.unit_weight_kg ?? 1),
+    minPurchaseQty: row.min_purchase_qty ?? 1,
     createdAt: row.created_at,
     updatedAt: row.updated_at,
   };

project/src/modules/catalog/tests/image-use-cases.test.ts

@@ -17,6 +17,8 @@ function product(input: Partial<Product> & Pick<Product, 'id' | 'name' | 'slug'>
     categoryIds: [],
     brandId: null,
     expirationDate: null,
+    unitWeightKg: 1,
+    minPurchaseQty: 1,
     createdAt: new Date('2026-01-01T00:00:00Z'),
     updatedAt: new Date('2026-01-01T00:00:00Z'),
     ...input,

project/src/modules/catalog/tests/product-use-cases.test.ts

@@ -21,6 +21,8 @@ function product(input: Partial<Product> & Pick<Product, 'id' | 'name' | 'slug'>
     categoryIds: [],
     brandId: null,
     expirationDate: null,
+    unitWeightKg: 1,
+    minPurchaseQty: 1,
     createdAt: new Date('2026-01-01T00:00:00Z'),
     updatedAt: new Date('2026-01-01T00:00:00Z'),
     ...input,