Add password auth, business browsing, dev proxy, and production env.

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

src/api/business-categories.ts

@@ -0,0 +1,6 @@
+import { api } from './client';
+import type { BusinessCategory } from './types';
+
+export function fetchBusinessCategories() {
+  return api<BusinessCategory[]>('/business-categories');
+}