diff --git a/frontend/app/[locale]/shop/admin/products/[id]/edit/page.tsx b/frontend/app/[locale]/shop/admin/products/[id]/edit/page.tsx
index 4ee06864..8d51f7c9 100644
--- a/frontend/app/[locale]/shop/admin/products/[id]/edit/page.tsx
+++ b/frontend/app/[locale]/shop/admin/products/[id]/edit/page.tsx
@@ -5,7 +5,7 @@ import { z } from 'zod';
 
 import { ShopAdminTopbar } from '@/components/shop/admin/ShopAdminTopbar';
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { guardShopAdminPage } from '@/lib/auth/guard-shop-admin-page';
 import { issueCsrfToken } from '@/lib/security/csrf';
 import type { CurrencyCode } from '@/lib/shop/currency';
diff --git a/frontend/app/[locale]/shop/admin/products/page.tsx b/frontend/app/[locale]/shop/admin/products/page.tsx
index d74cb869..cbb2578f 100644
--- a/frontend/app/[locale]/shop/admin/products/page.tsx
+++ b/frontend/app/[locale]/shop/admin/products/page.tsx
@@ -399,7 +399,7 @@ export default async function AdminProductsPage({
                           <div className="grid grid-cols-2 gap-2">
                             <Link
                               href={`/shop/products/${row.slug}`}
-                              className="border-border text-foreground hover:bg-secondary inline-flex items-center justify-center rounded-md border px-2 py-1 text-center text-xs leading-tight font-medium break-words whitespace-normal transition-colors"
+                              className="border-border text-foreground hover:bg-secondary break-words inline-flex items-center justify-center rounded-md border px-2 py-1 text-center text-xs leading-tight font-medium whitespace-normal transition-colors"
                               aria-label={t('actions.viewProduct', {
                                 title: row.title,
                               })}
@@ -409,7 +409,7 @@ export default async function AdminProductsPage({
 
                             <Link
                               href={`/shop/admin/products/${row.id}/edit`}
-                              className="border-border text-foreground hover:bg-secondary inline-flex items-center justify-center rounded-md border px-2 py-1 text-center text-xs leading-tight font-medium break-words whitespace-normal transition-colors"
+                              className="border-border text-foreground hover:bg-secondary break-words inline-flex items-center justify-center rounded-md border px-2 py-1 text-center text-xs leading-tight font-medium whitespace-normal transition-colors"
                               aria-label={t('actions.editProduct', {
                                 title: row.title,
                               })}
diff --git a/frontend/app/[locale]/shop/cart/CartPageClient.tsx b/frontend/app/[locale]/shop/cart/CartPageClient.tsx
index 99d30d28..525906d2 100644
--- a/frontend/app/[locale]/shop/cart/CartPageClient.tsx
+++ b/frontend/app/[locale]/shop/cart/CartPageClient.tsx
@@ -1,13 +1,13 @@
 'use client';
 
-import { Minus, Plus, ShoppingBag,Trash2 } from 'lucide-react';
+import { Minus, Plus, ShoppingBag, Trash2 } from 'lucide-react';
 import Image from 'next/image';
 import { useParams } from 'next/navigation';
 import { useTranslations } from 'next-intl';
 import { useState } from 'react';
 
 import { useCart } from '@/components/shop/CartProvider';
-import { Link,useRouter } from '@/i18n/routing';
+import { Link, useRouter } from '@/i18n/routing';
 import { formatMoney } from '@/lib/shop/currency';
 import { generateIdempotencyKey } from '@/lib/shop/idempotency';
 import {
diff --git a/frontend/app/[locale]/shop/orders/[id]/page.tsx b/frontend/app/[locale]/shop/orders/[id]/page.tsx
index 31a744df..4a730309 100644
--- a/frontend/app/[locale]/shop/orders/[id]/page.tsx
+++ b/frontend/app/[locale]/shop/orders/[id]/page.tsx
@@ -11,7 +11,7 @@ import { orderItems, orders } from '@/db/schema';
 import { Link } from '@/i18n/routing';
 import { getCurrentUser } from '@/lib/auth';
 import { logError } from '@/lib/logging';
-import { type CurrencyCode,formatMoney } from '@/lib/shop/currency';
+import { type CurrencyCode, formatMoney } from '@/lib/shop/currency';
 import { fromDbMoney } from '@/lib/shop/money';
 import {
   SHOP_FOCUS,
diff --git a/frontend/app/api/shop/admin/orders/[id]/refund/route.ts b/frontend/app/api/shop/admin/orders/[id]/refund/route.ts
index 223d114f..0687fbd0 100644
--- a/frontend/app/api/shop/admin/orders/[id]/refund/route.ts
+++ b/frontend/app/api/shop/admin/orders/[id]/refund/route.ts
@@ -11,7 +11,7 @@ import {
 import { logError, logWarn } from '@/lib/logging';
 import { requireAdminCsrf } from '@/lib/security/admin-csrf';
 import { guardBrowserSameOrigin } from '@/lib/security/origin';
-import { InvalidPayloadError,OrderNotFoundError } from '@/lib/services/errors';
+import { InvalidPayloadError, OrderNotFoundError } from '@/lib/services/errors';
 import { refundOrder } from '@/lib/services/orders';
 import { orderIdParamSchema, orderSummarySchema } from '@/lib/validation/shop';
 
diff --git a/frontend/app/api/shop/webhooks/stripe/route.ts b/frontend/app/api/shop/webhooks/stripe/route.ts
index 2a0c8ae2..e8eaed02 100644
--- a/frontend/app/api/shop/webhooks/stripe/route.ts
+++ b/frontend/app/api/shop/webhooks/stripe/route.ts
@@ -1,13 +1,13 @@
 import crypto from 'node:crypto';
 
-import { and, eq, isNull, lt,ne, or } from 'drizzle-orm';
+import { and, eq, isNull, lt, ne, or } from 'drizzle-orm';
 import { NextRequest, NextResponse } from 'next/server';
 import Stripe from 'stripe';
 
 import { db } from '@/db';
 import { orders, stripeEvents } from '@/db/schema';
 import { logError, logInfo, logWarn } from '@/lib/logging';
-import { retrieveCharge,verifyWebhookSignature } from '@/lib/psp/stripe';
+import { retrieveCharge, verifyWebhookSignature } from '@/lib/psp/stripe';
 import { guardNonBrowserOnly } from '@/lib/security/origin';
 import {
   enforceRateLimit,
diff --git a/frontend/components/shop/CatalogProductsClient.tsx b/frontend/components/shop/CatalogProductsClient.tsx
index eaf054bc..66f3876c 100644
--- a/frontend/components/shop/CatalogProductsClient.tsx
+++ b/frontend/components/shop/CatalogProductsClient.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import { type ReadonlyURLSearchParams,useSearchParams } from 'next/navigation';
+import { type ReadonlyURLSearchParams, useSearchParams } from 'next/navigation';
 import { useTranslations } from 'next-intl';
 import React from 'react';
 
diff --git a/frontend/components/shop/header/NavLinks.tsx b/frontend/components/shop/header/NavLinks.tsx
index 5811ce29..429b2c1f 100644
--- a/frontend/components/shop/header/NavLinks.tsx
+++ b/frontend/components/shop/header/NavLinks.tsx
@@ -83,7 +83,7 @@ export function NavLinks({
               href="/"
               onClick={onNavigate}
               icon={Home}
-              className={cn(isHomeActive && '[color:var(--accent-primary)]')}
+              className={cn(isHomeActive && 'text-(--accent-primary)')}
             >
               {tNav('home')}
             </HeaderButton>
diff --git a/frontend/db/queries/shop/products.ts b/frontend/db/queries/shop/products.ts
index 1a5f2009..7b3debe5 100644
--- a/frontend/db/queries/shop/products.ts
+++ b/frontend/db/queries/shop/products.ts
@@ -11,10 +11,10 @@ import {
 } from 'drizzle-orm';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import type { CatalogSort } from '@/lib/config/catalog';
 import type { CurrencyCode } from '@/lib/shop/currency';
-import { type DbProduct,dbProductSchema } from '@/lib/validation/shop';
+import { type DbProduct, dbProductSchema } from '@/lib/validation/shop';
 
 const publicProductBaseSelect = {
   id: products.id,
diff --git a/frontend/lib/admin/parseAdminProductForm.ts b/frontend/lib/admin/parseAdminProductForm.ts
index c95637c0..4aa6604d 100644
--- a/frontend/lib/admin/parseAdminProductForm.ts
+++ b/frontend/lib/admin/parseAdminProductForm.ts
@@ -1,6 +1,6 @@
 import { z } from 'zod';
 
-import { type CurrencyCode,currencyValues } from '@/lib/shop/currency';
+import { type CurrencyCode, currencyValues } from '@/lib/shop/currency';
 import { toCents } from '@/lib/shop/money';
 import {
   productAdminSchema,
diff --git a/frontend/lib/services/orders.ts b/frontend/lib/services/orders.ts
index d614f0dd..d774d915 100644
--- a/frontend/lib/services/orders.ts
+++ b/frontend/lib/services/orders.ts
@@ -1,7 +1,7 @@
 export { createOrderWithItems } from './orders/checkout';
 export { setOrderPaymentIntent } from './orders/payment-intent';
 export { refundOrder } from './orders/refund';
-export { restockOrder as restock,restockOrder } from './orders/restock';
+export { restockOrder as restock, restockOrder } from './orders/restock';
 export { getOrderById, getOrderSummary } from './orders/summary';
 export {
   restockStaleNoPaymentOrders,
diff --git a/frontend/lib/services/orders/sweeps.ts b/frontend/lib/services/orders/sweeps.ts
index 35b8c18b..0d4732f2 100644
--- a/frontend/lib/services/orders/sweeps.ts
+++ b/frontend/lib/services/orders/sweeps.ts
@@ -1,5 +1,5 @@
 import crypto from 'crypto';
-import { and, eq, inArray, isNull, lt, ne,or, sql } from 'drizzle-orm';
+import { and, eq, inArray, isNull, lt, ne, or, sql } from 'drizzle-orm';
 
 import { db } from '@/db';
 import { orders } from '@/db/schema/shop';
diff --git a/frontend/lib/services/products/admin/queries.ts b/frontend/lib/services/products/admin/queries.ts
index 0d992ad8..eae146bd 100644
--- a/frontend/lib/services/products/admin/queries.ts
+++ b/frontend/lib/services/products/admin/queries.ts
@@ -1,7 +1,7 @@
 import { and, eq, type SQL } from 'drizzle-orm';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { ProductNotFoundError } from '@/lib/errors/products';
 import type { CurrencyCode } from '@/lib/shop/currency';
 import type { DbProduct } from '@/lib/types/shop';
diff --git a/frontend/lib/services/products/cart/rehydrate.ts b/frontend/lib/services/products/cart/rehydrate.ts
index 51ec1975..e36e861b 100644
--- a/frontend/lib/services/products/cart/rehydrate.ts
+++ b/frontend/lib/services/products/cart/rehydrate.ts
@@ -2,10 +2,10 @@ import { and, eq, inArray } from 'drizzle-orm';
 
 import { db } from '@/db';
 import { coercePriceFromDb } from '@/db/queries/shop/orders';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { logWarn } from '@/lib/logging';
 import { createCartItemKey } from '@/lib/shop/cart-item-key';
-import { type CurrencyCode,isTwoDecimalCurrency } from '@/lib/shop/currency';
+import { type CurrencyCode, isTwoDecimalCurrency } from '@/lib/shop/currency';
 import { calculateLineTotal, fromCents, toCents } from '@/lib/shop/money';
 import type {
   CartClientItem,
diff --git a/frontend/lib/services/products/mutations/create.ts b/frontend/lib/services/products/mutations/create.ts
index e8a99e9a..a25be302 100644
--- a/frontend/lib/services/products/mutations/create.ts
+++ b/frontend/lib/services/products/mutations/create.ts
@@ -1,13 +1,13 @@
 import { eq } from 'drizzle-orm';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { uploadProductImageFromFile } from '@/lib/cloudinary';
 import { logError } from '@/lib/logging';
 import { toDbMoney } from '@/lib/shop/money';
 import type { DbProduct, ProductInput } from '@/lib/types/shop';
 
-import { InvalidPayloadError,SlugConflictError } from '../../errors';
+import { InvalidPayloadError, SlugConflictError } from '../../errors';
 import { mapRowToProduct } from '../mapping';
 import {
   enforceSaleBadgeRequiresOriginal,
diff --git a/frontend/lib/services/products/mutations/delete.ts b/frontend/lib/services/products/mutations/delete.ts
index 31194834..c265d47e 100644
--- a/frontend/lib/services/products/mutations/delete.ts
+++ b/frontend/lib/services/products/mutations/delete.ts
@@ -1,7 +1,7 @@
 import { sql } from 'drizzle-orm';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { destroyProductImage } from '@/lib/cloudinary';
 import { ProductNotFoundError } from '@/lib/errors/products';
 import { logError } from '@/lib/logging';
diff --git a/frontend/lib/services/products/mutations/update.ts b/frontend/lib/services/products/mutations/update.ts
index b3dbd935..9c841563 100644
--- a/frontend/lib/services/products/mutations/update.ts
+++ b/frontend/lib/services/products/mutations/update.ts
@@ -1,7 +1,7 @@
 import { eq, sql } from 'drizzle-orm';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import {
   destroyProductImage,
   uploadProductImageFromFile,
diff --git a/frontend/lib/tests/__mocks__/server-only.ts b/frontend/lib/tests/__mocks__/server-only.ts
index e1445347..cb0ff5c3 100644
--- a/frontend/lib/tests/__mocks__/server-only.ts
+++ b/frontend/lib/tests/__mocks__/server-only.ts
@@ -1,3 +1 @@
-// Vitest/Node stub for Next.js "server-only" marker import.
-// Next handles it at build time, but unit tests need a real module.
 export {};
diff --git a/frontend/lib/tests/helpers/ip.ts b/frontend/lib/tests/helpers/ip.ts
index e1781a57..e91ca2db 100644
--- a/frontend/lib/tests/helpers/ip.ts
+++ b/frontend/lib/tests/helpers/ip.ts
@@ -1,9 +1,3 @@
-/**
- * Derive a deterministic TEST IP from an idempotency key.
- * Used only in tests to make rate-limit keys stable per request.
- *
- * Produces a TEST-NET-3 IPv4 address: 203.0.113.1..250
- */
 export function deriveTestIpFromIdemKey(idemKey: string): string {
   const hex = idemKey.replace(/[^0-9a-f]/gi, '').slice(0, 2);
   const n = hex ? (parseInt(hex, 16) % 250) + 1 : 1;
diff --git a/frontend/lib/tests/shop/admin-api-killswitch.test.ts b/frontend/lib/tests/shop/admin-api-killswitch.test.ts
index 9e030ad7..ce7c3dbb 100644
--- a/frontend/lib/tests/shop/admin-api-killswitch.test.ts
+++ b/frontend/lib/tests/shop/admin-api-killswitch.test.ts
@@ -1,5 +1,5 @@
 import { NextRequest } from 'next/server';
-import { afterEach,beforeEach, describe, expect, it } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
 import { vi } from 'vitest';
 
 const BASE_URL = 'http://localhost';
diff --git a/frontend/lib/tests/shop/admin-product-sale-contract.test.ts b/frontend/lib/tests/shop/admin-product-sale-contract.test.ts
index 716b8660..4373603c 100644
--- a/frontend/lib/tests/shop/admin-product-sale-contract.test.ts
+++ b/frontend/lib/tests/shop/admin-product-sale-contract.test.ts
@@ -1,5 +1,5 @@
 import { NextRequest } from 'next/server';
-import { afterEach,beforeEach, describe, expect, it, vi } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 const { getCurrentUserMock, parseAdminProductFormMock } = vi.hoisted(() => ({
   getCurrentUserMock: vi.fn(async () => ({
diff --git a/frontend/lib/tests/shop/cart-rehydrate-variant-sanitize.test.ts b/frontend/lib/tests/shop/cart-rehydrate-variant-sanitize.test.ts
index 49e933d7..a3a356f3 100644
--- a/frontend/lib/tests/shop/cart-rehydrate-variant-sanitize.test.ts
+++ b/frontend/lib/tests/shop/cart-rehydrate-variant-sanitize.test.ts
@@ -4,7 +4,7 @@ import { eq } from 'drizzle-orm';
 import { afterAll, beforeAll, describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { rehydrateCartItems } from '@/lib/services/products';
 
 let productId: string;
diff --git a/frontend/lib/tests/shop/checkout-concurrency-stock1.test.ts b/frontend/lib/tests/shop/checkout-concurrency-stock1.test.ts
index ead8ad5f..31f3d279 100644
--- a/frontend/lib/tests/shop/checkout-concurrency-stock1.test.ts
+++ b/frontend/lib/tests/shop/checkout-concurrency-stock1.test.ts
@@ -252,7 +252,6 @@ describe('P0-8.10.1 checkout concurrency: stock=1, two parallel checkouts', () =
       // In CI we fail fast so flakes are visible.
       if (process.env.CI) throw err;
 
-       
       console.warn('checkout concurrency cleanup failed', err);
     }
   }, 30000);
diff --git a/frontend/lib/tests/shop/checkout-currency-policy.test.ts b/frontend/lib/tests/shop/checkout-currency-policy.test.ts
index f9ad2394..56f2ebd8 100644
--- a/frontend/lib/tests/shop/checkout-currency-policy.test.ts
+++ b/frontend/lib/tests/shop/checkout-currency-policy.test.ts
@@ -20,7 +20,8 @@ vi.mock('@/lib/env/stripe', () => ({
   isPaymentsEnabled: () => false,
 }));
 
-const createPaymentIntentMock = vi.fn((..._args: any[]) => {
+const createPaymentIntentMock = vi.fn((...args: any[]) => {
+  void args;
   throw new Error(
     'Stripe should not be called in this test (payments disabled).'
   );
@@ -28,17 +29,22 @@ const createPaymentIntentMock = vi.fn((..._args: any[]) => {
 
 vi.mock('@/lib/psp/stripe', () => ({
   createPaymentIntent: (...args: any[]) => createPaymentIntentMock(...args),
-  retrievePaymentIntent: (..._args: any[]) => {
+  retrievePaymentIntent: (...args: any[]) => {
+    void args;
     throw new Error(
       'Stripe should not be called in this test (payments disabled).'
     );
   },
 }));
 
-// checkout-currency-policy.test.ts
-
-const logErrorMock = vi.fn((..._args: any[]) => undefined);
-const logWarnMock = vi.fn((..._args: any[]) => undefined);
+const logErrorMock = vi.fn((...args: any[]) => {
+  void args;
+  return undefined;
+});
+const logWarnMock = vi.fn((...args: any[]) => {
+  void args;
+  return undefined;
+});
 
 vi.mock('@/lib/logging', async () => {
   const actual =
@@ -51,7 +57,7 @@ vi.mock('@/lib/logging', async () => {
 });
 
 import { db } from '@/db';
-import { orders,productPrices, products } from '@/db/schema';
+import { orders, productPrices, products } from '@/db/schema';
 
 let POST: (req: NextRequest) => Promise<Response>;
 
diff --git a/frontend/lib/tests/shop/checkout-no-payments.test.ts b/frontend/lib/tests/shop/checkout-no-payments.test.ts
index 46c938cd..fe9747cc 100644
--- a/frontend/lib/tests/shop/checkout-no-payments.test.ts
+++ b/frontend/lib/tests/shop/checkout-no-payments.test.ts
@@ -2,10 +2,10 @@
 import crypto from 'crypto';
 import { eq, sql } from 'drizzle-orm';
 import { NextRequest } from 'next/server';
-import { afterAll,beforeAll, describe, expect, it, vi } from 'vitest';
+import { afterAll, beforeAll, describe, expect, it, vi } from 'vitest';
 
 import { db } from '@/db';
-import { orders, productPrices,products } from '@/db/schema';
+import { orders, productPrices, products } from '@/db/schema';
 import { toDbMoney } from '@/lib/shop/money';
 import { deriveTestIpFromIdemKey } from '@/lib/tests/helpers/ip';
 
diff --git a/frontend/lib/tests/shop/checkout-origin-posture-contract.test.ts b/frontend/lib/tests/shop/checkout-origin-posture-contract.test.ts
index 5c1464b8..4515bc4e 100644
--- a/frontend/lib/tests/shop/checkout-origin-posture-contract.test.ts
+++ b/frontend/lib/tests/shop/checkout-origin-posture-contract.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { POST } from '@/app/api/shop/checkout/route';
 import { makeCheckoutReq } from '@/lib/tests/helpers/makeCheckoutReq';
diff --git a/frontend/lib/tests/shop/order-items-variants.test.ts b/frontend/lib/tests/shop/order-items-variants.test.ts
index 3a891a19..9dc09c54 100644
--- a/frontend/lib/tests/shop/order-items-variants.test.ts
+++ b/frontend/lib/tests/shop/order-items-variants.test.ts
@@ -1,9 +1,9 @@
 import crypto from 'crypto';
 import { eq, sql } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
-import { orderItems,orders, productPrices, products } from '@/db/schema/shop';
+import { orderItems, orders, productPrices, products } from '@/db/schema/shop';
 import { createOrderWithItems } from '@/lib/services/orders';
 
 describe('order_items variants (selected_size/selected_color)', () => {
diff --git a/frontend/lib/tests/shop/orders-access.test.ts b/frontend/lib/tests/shop/orders-access.test.ts
index 21bbd861..209d53d9 100644
--- a/frontend/lib/tests/shop/orders-access.test.ts
+++ b/frontend/lib/tests/shop/orders-access.test.ts
@@ -1,5 +1,5 @@
 import { NextRequest } from 'next/server';
-import { beforeEach,describe, expect, it, vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 vi.mock('@/lib/auth', () => ({
   getCurrentUser: vi.fn(),
diff --git a/frontend/lib/tests/shop/payment-state-legacy-writers.test.ts b/frontend/lib/tests/shop/payment-state-legacy-writers.test.ts
index 95d2a343..93f8b393 100644
--- a/frontend/lib/tests/shop/payment-state-legacy-writers.test.ts
+++ b/frontend/lib/tests/shop/payment-state-legacy-writers.test.ts
@@ -3,7 +3,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 
 import { eq } from 'drizzle-orm';
-import { afterEach,describe, expect, it } from 'vitest';
+import { afterEach, describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders } from '@/db/schema/shop';
@@ -17,7 +17,6 @@ type SeedArgs = {
 async function seedOrder(args: SeedArgs): Promise<string> {
   const orderId = crypto.randomUUID();
   const now = new Date();
-
   const idempotencyKey = `test:${orderId}`;
 
   await db.insert(orders).values({
diff --git a/frontend/lib/tests/shop/payment-status-tripwire.test.ts b/frontend/lib/tests/shop/payment-status-tripwire.test.ts
index 46a774c0..6229572c 100644
--- a/frontend/lib/tests/shop/payment-status-tripwire.test.ts
+++ b/frontend/lib/tests/shop/payment-status-tripwire.test.ts
@@ -1,7 +1,7 @@
 import fs from 'node:fs';
 import path from 'node:path';
 
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 const REPO_ROOT = process.cwd();
 
diff --git a/frontend/lib/tests/shop/product-sale-invariant.test.ts b/frontend/lib/tests/shop/product-sale-invariant.test.ts
index 20b7f764..a2586c4f 100644
--- a/frontend/lib/tests/shop/product-sale-invariant.test.ts
+++ b/frontend/lib/tests/shop/product-sale-invariant.test.ts
@@ -1,5 +1,5 @@
 import { eq } from 'drizzle-orm';
-import { afterEach,describe, expect, it, vi } from 'vitest';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 
 vi.mock('@/lib/cloudinary', () => {
   return {
@@ -12,7 +12,7 @@ vi.mock('@/lib/cloudinary', () => {
 });
 
 import { db } from '@/db';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 import { createProduct, updateProduct } from '@/lib/services/products';
 import { toDbMoney } from '@/lib/shop/money';
 
diff --git a/frontend/lib/tests/shop/public-product-visibility.test.ts b/frontend/lib/tests/shop/public-product-visibility.test.ts
index 25cbd8bb..6399b2d6 100644
--- a/frontend/lib/tests/shop/public-product-visibility.test.ts
+++ b/frontend/lib/tests/shop/public-product-visibility.test.ts
@@ -1,11 +1,11 @@
 import { randomUUID } from 'node:crypto';
 
 import { eq } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { getPublicProductBySlug } from '@/db/queries/shop/products';
-import { productPrices,products } from '@/db/schema';
+import { productPrices, products } from '@/db/schema';
 
 function logTestCleanupFailed(meta: Record<string, unknown>, error: unknown) {
   console.error('[test cleanup failed]', {
diff --git a/frontend/lib/tests/shop/rate-limit-subject.test.ts b/frontend/lib/tests/shop/rate-limit-subject.test.ts
index bb4a8a63..258a3ef5 100644
--- a/frontend/lib/tests/shop/rate-limit-subject.test.ts
+++ b/frontend/lib/tests/shop/rate-limit-subject.test.ts
@@ -1,4 +1,4 @@
-import { afterEach,describe, expect, it, vi } from 'vitest';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 vi.mock('@/db', () => ({ db: { execute: vi.fn() } }));
 
 import { NextRequest } from 'next/server';
diff --git a/frontend/lib/tests/shop/restock-order-only-once.test.ts b/frontend/lib/tests/shop/restock-order-only-once.test.ts
index ef1ba4bb..0e0a37cc 100644
--- a/frontend/lib/tests/shop/restock-order-only-once.test.ts
+++ b/frontend/lib/tests/shop/restock-order-only-once.test.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import { eq, sql } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders, products } from '@/db/schema';
diff --git a/frontend/lib/tests/shop/restock-stale-claim-gate.test.ts b/frontend/lib/tests/shop/restock-stale-claim-gate.test.ts
index df71dbbd..01cc81d7 100644
--- a/frontend/lib/tests/shop/restock-stale-claim-gate.test.ts
+++ b/frontend/lib/tests/shop/restock-stale-claim-gate.test.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import { eq } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders } from '@/db/schema';
diff --git a/frontend/lib/tests/shop/restock-stale-stripe-orphan.test.ts b/frontend/lib/tests/shop/restock-stale-stripe-orphan.test.ts
index 345b284b..d12bca02 100644
--- a/frontend/lib/tests/shop/restock-stale-stripe-orphan.test.ts
+++ b/frontend/lib/tests/shop/restock-stale-stripe-orphan.test.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import { eq } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders } from '@/db/schema';
diff --git a/frontend/lib/tests/shop/restock-stuck-reserving-sweep.test.ts b/frontend/lib/tests/shop/restock-stuck-reserving-sweep.test.ts
index 1aff157f..1d3ff5b3 100644
--- a/frontend/lib/tests/shop/restock-stuck-reserving-sweep.test.ts
+++ b/frontend/lib/tests/shop/restock-stuck-reserving-sweep.test.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import { eq, sql } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders, products } from '@/db/schema';
diff --git a/frontend/lib/tests/shop/restock-sweep-claim.test.ts b/frontend/lib/tests/shop/restock-sweep-claim.test.ts
index 09fb2da1..b670c47b 100644
--- a/frontend/lib/tests/shop/restock-sweep-claim.test.ts
+++ b/frontend/lib/tests/shop/restock-sweep-claim.test.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import { eq } from 'drizzle-orm';
-import { describe, expect,it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import { db } from '@/db';
 import { orders } from '@/db/schema';
diff --git a/frontend/lib/tests/shop/stripe-webhook-contract.test.ts b/frontend/lib/tests/shop/stripe-webhook-contract.test.ts
index 10d8bd36..04399ff4 100644
--- a/frontend/lib/tests/shop/stripe-webhook-contract.test.ts
+++ b/frontend/lib/tests/shop/stripe-webhook-contract.test.ts
@@ -1,5 +1,5 @@
 import { NextRequest } from 'next/server';
-import { afterEach,beforeEach, describe, expect, it, vi } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 vi.mock('@/lib/logging', async () => {
   const actual = await vi.importActual<any>('@/lib/logging');
diff --git a/frontend/lib/tests/shop/stripe-webhook-mismatch.test.ts b/frontend/lib/tests/shop/stripe-webhook-mismatch.test.ts
index 1a9a75df..77b50e8c 100644
--- a/frontend/lib/tests/shop/stripe-webhook-mismatch.test.ts
+++ b/frontend/lib/tests/shop/stripe-webhook-mismatch.test.ts
@@ -1,6 +1,6 @@
 import { sql } from 'drizzle-orm';
 import { NextRequest } from 'next/server';
-import { afterEach,beforeEach, describe, expect, it, vi } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 import { db } from '@/db';
 
diff --git a/frontend/lib/validation/shop.ts b/frontend/lib/validation/shop.ts
index e578a599..8fe979d2 100644
--- a/frontend/lib/validation/shop.ts
+++ b/frontend/lib/validation/shop.ts
@@ -13,7 +13,7 @@ import {
   paymentProviderValues,
   paymentStatusValues,
 } from '@/lib/shop/payments';
-export type { PaymentProvider,PaymentStatus } from '@/lib/shop/payments';
+export type { PaymentProvider, PaymentStatus } from '@/lib/shop/payments';
 
 export const MAX_QUANTITY_PER_LINE = 20;
 
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index ca3ca380..a9df03db 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -9686,6 +9686,17 @@
         }
       }
     },
+    "node_modules/next-intl/node_modules/@swc/helpers": {
+      "version": "0.5.18",
+      "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.18.tgz",
+      "integrity": "sha512-TXTnIcNJQEKwThMMqBXsZ4VGAza6bvN4pa41Rkqoio6QBKMvo+5lexeTMScGCIxtzgQJzElcvIltani+adC5PQ==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.8.0"
+      }
+    },
     "node_modules/next-themes": {
       "version": "0.4.6",
       "resolved": "https://registry.npmjs.org/next-themes/-/next-themes-0.4.6.tgz",