Initial commit — eLegal Software monorepo

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/web/src/hooks/useBilling.ts

@@ -0,0 +1,28 @@
+import { useMutation, useQuery } from '@tanstack/react-query';
+import { api, type ApiError } from '@/lib/api';
+
+export interface BillingStatus {
+  configured: boolean;
+  plan: 'starter' | 'pro' | 'lifetime';
+  hasSubscription: boolean;
+  hasCustomer: boolean;
+}
+
+export function useBillingStatus() {
+  return useQuery<BillingStatus>({
+    queryKey: ['billing', 'status'],
+    queryFn: () => api.get('/api/billing/status'),
+  });
+}
+
+export function useStartCheckout() {
+  return useMutation<{ url: string }, ApiError, { plan: 'pro' | 'lifetime' }>({
+    mutationFn: (body) => api.post('/api/billing/checkout', body),
+  });
+}
+
+export function useOpenPortal() {
+  return useMutation<{ url: string }, ApiError, void>({
+    mutationFn: () => api.post('/api/billing/portal'),
+  });
+}