fix(verifayda): format nested Fayda address objects into strings

apps/edr-freight-web/portal/src/components/FaydaVerifyPanel.tsx

@@ -72,6 +72,20 @@ export default function FaydaVerifyPanel({
   // panel between steps can't complete a verification against the wrong person.
   const subjectRef = useRef(subject);
   subjectRef.current = subject;
+  // FaydaCallbackPage posts its message from a StrictMode-double-invoked
+  // effect in dev, so the same one-time-use code+state can arrive twice.
+  // Track the last state we've started completing so the resend is a no-op.
+  const handledStateRef = useRef<string | null>(null);
+  // Polls the popup so a manually-closed window (no postMessage ever sent)
+  // still clears `loading` instead of leaving the button spinning forever.
+  const pollRef = useRef<number | null>(null);
+
+  const stopPolling = () => {
+    if (pollRef.current !== null) {
+      window.clearInterval(pollRef.current);
+      pollRef.current = null;
+    }
+  };
 
   useEffect(() => {
     const onMessage = async (event: MessageEvent<FaydaCallbackMessage>) => {
@@ -79,11 +93,15 @@ export default function FaydaVerifyPanel({
       if (event.data?.type !== "fayda-callback") return;
 
       if (event.data.error) {
+        stopPolling();
         setLoading(false);
         setError(event.data.errorDescription ?? event.data.error);
         return;
       }
       if (!event.data.code || !event.data.state) return;
+      if (handledStateRef.current === event.data.state) return;
+      handledStateRef.current = event.data.state;
+      stopPolling();
 
       try {
         const next = await verifaydaService.completeIdentity(
@@ -104,13 +122,17 @@ export default function FaydaVerifyPanel({
       }
     };
     window.addEventListener("message", onMessage);
-    return () => window.removeEventListener("message", onMessage);
+    return () => {
+      window.removeEventListener("message", onMessage);
+      stopPolling();
+    };
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   const startVerification = async () => {
     setError(null);
     setLoading(true);
+    handledStateRef.current = null;
     try {
       const authorizationUrl = await verifaydaService.start();
       const popup = window.open(
@@ -121,8 +143,17 @@ export default function FaydaVerifyPanel({
       if (!popup) {
         setLoading(false);
         setError("Pop-up blocked — allow pop-ups for this site and try again.");
+        return;
       }
-      // Loading stays on until the popup posts back.
+      // Loading stays on until the popup posts back — unless the user closes
+      // it by hand, which never sends a message; poll for that and clear
+      // loading ourselves so the button doesn't spin forever.
+      stopPolling();
+      pollRef.current = window.setInterval(() => {
+        if (!popup.closed) return;
+        stopPolling();
+        if (handledStateRef.current === null) setLoading(false);
+      }, 500);
     } catch (err) {
       setLoading(false);
       setError(