Replace entire repo content with correct code from /root/shahikitchen-website/

domain/shared/constants.ts

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+/** Restaurant contact & persistence keys — domain constants (no framework deps). */
+
+export const RESTAURANT_CONTACT = {
+  whatsappNumber: '46739381089',
+  phonePrimary: '031288910',
+  phoneMobile: '0739381089',
+  email: 'hello@shahikitchen.se',
+  website: 'https://shahikitchen.se',
+} as const;
+
+export const STORAGE_KEYS = {
+  cart: 'shahi-kitchen-cart',
+  wishlist: 'shahi-kitchen-wishlist',
+  language: 'shahi-kitchen-language',
+} as const;
+
+export const PICKUP_LEAD_TIME_MINUTES = 30;

domain/shared/order-line.ts

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+import {
+  calculateSweetsWeightTotal,
+  formatSweetWeightLabel,
+} from '../sweets/pricing';
+
+/** Shared order-line model used by cart, pre-order, and table orders. */
+
+export type OrderPricingMode = 'standard' | 'weight';
+
+export interface OrderLine {
+  id: string;
+  name: string;
+  price: number;
+  quantity: number;
+  image?: string;
+  pricingMode?: OrderPricingMode;
+  pricePerKg?: number;
+  pricePerHalfKg?: number;
+}
+
+export type NewOrderLine = Omit<OrderLine, 'quantity'>;
+
+export function addOrderLine(lines: OrderLine[], item: NewOrderLine): OrderLine[] {
+  const existing = lines.find((line) => line.id === item.id);
+  if (existing) {
+    return lines.map((line) =>
+      line.id === item.id ? { ...line, quantity: line.quantity + 1 } : line
+    );
+  }
+  return [...lines, { ...item, quantity: 1 }];
+}
+
+export function updateOrderLineQuantity(
+  lines: OrderLine[],
+  id: string,
+  quantity: number
+): OrderLine[] {
+  if (quantity <= 0) {
+    return lines.filter((line) => line.id !== id);
+  }
+  return lines.map((line) => (line.id === id ? { ...line, quantity } : line));
+}
+
+export function removeOrderLine(lines: OrderLine[], id: string): OrderLine[] {
+  return lines.filter((line) => line.id !== id);
+}
+
+export function calculateLineTotal(line: OrderLine): number {
+  if (line.pricingMode === 'weight') {
+    return calculateSweetsWeightTotal(line.quantity);
+  }
+  return line.price * line.quantity;
+}
+
+export function calculateOrderTotal(lines: OrderLine[]): number {
+  return lines.reduce((sum, line) => sum + calculateLineTotal(line), 0);
+}
+
+export function calculateOrderItemCount(lines: OrderLine[]): number {
+  return lines.reduce((sum, line) => sum + line.quantity, 0);
+}
+
+export function formatOrderLinesForMessage(lines: OrderLine[]): string {
+  return lines
+    .map((line) => {
+      const total = calculateLineTotal(line);
+      if (line.pricingMode === 'weight') {
+        const weight = formatSweetWeightLabel(line.quantity);
+        return `${line.name} (${weight})  —  ${total} kr`;
+      }
+      return `${line.quantity} × ${line.name}  —  ${total} kr`;
+    })
+    .join('\n');
+}
+
+/** Inquiry format: "Dish Name x Qty - Price kr" */
+export function formatOrderLinesForInquiry(lines: OrderLine[]): string {
+  return lines
+    .map((line) => {
+      const total = calculateLineTotal(line);
+      const qty =
+        line.pricingMode === 'weight'
+          ? formatSweetWeightLabel(line.quantity)
+          : String(line.quantity);
+      return `${line.name} x ${qty} - ${total} kr`;
+    })
+    .join('\n');
+}
+
+export function formatLineQuantityLabel(line: OrderLine): string {
+  if (line.pricingMode === 'weight') {
+    return formatSweetWeightLabel(line.quantity);
+  }
+  return String(line.quantity);
+}