chore: initial import

frontend/lib/api.js

@@ -0,0 +1,48 @@
+const API_BASE = process.env.NEXT_PUBLIC_API_URL?.replace(/\/$/, '') || 'http://localhost:8000';
+
+async function request(path, init = {}) {
+  const response = await fetch(`${API_BASE}${path}`, {
+    headers: {
+      'Content-Type': 'application/json',
+      ...(init.headers || {}),
+    },
+    ...init,
+  });
+
+  if (!response.ok) {
+    const text = await response.text();
+    throw new Error(`Request failed: ${response.status} ${text}`);
+  }
+
+  return response.json();
+}
+
+export function buildMediaUrl(path) {
+  if (!path) return null;
+  if (path.startsWith('http')) return path;
+  return `${API_BASE}${path}`;
+}
+
+export async function fetchProducts() {
+  return request('/api/commerce/products/');
+}
+
+export async function fetchProduct(slug) {
+  if (!slug) throw new Error('Product slug is required');
+  return request(`/api/commerce/products/${slug}/`);
+}
+
+export async function fetchCategories() {
+  return request('/api/commerce/categories/');
+}
+
+export async function fetchDeliveryZones() {
+  return request('/api/commerce/delivery-zones/');
+}
+
+export async function submitOrder(payload) {
+  return request('/api/commerce/orders/', {
+    method: 'POST',
+    body: JSON.stringify(payload),
+  });
+}