feat(driver-pwa): payment screen + auto status polling

Co-Authored-By: claude-flow <ruv@ruv.net>

driver-pwa/frontend/src/hooks/usePaymentStatus.ts

@@ -0,0 +1,10 @@
+import { useQuery } from "@tanstack/react-query";
+import { getPaymentState } from "@/api/driver";
+
+export function usePaymentStatus(orderId: string) {
+  return useQuery({
+    queryKey: ["payment", orderId],
+    queryFn: () => getPaymentState(orderId),
+    refetchInterval: (q) => (q.state.data?.status === "PAID" || q.state.data?.status === "REJECTED" ? false : 1500),
+  });
+}