feat: implement redirect handling in Intro component and update session storage in AuthBridge

src/app/intro/page.tsx

@@ -12,6 +12,8 @@ import type { MarriageProfileResponse } from "@/hooks/marriage/types";
 import { localizePath } from "@/i18n/config";
 import { useI18n } from "@/i18n/provider";
 
+const REDIRECT_SESSION_KEY = "redirect";
+
 function getSubmitPath(profile: MarriageProfileResponse | undefined) {
   const isInCase = profile?.status === "in_case";
   const isFemaleAcceptedFlow =
@@ -39,18 +41,43 @@ export default function Intro() {
   const router = useRouter();
   const { dictionary: t, locale } = useI18n();
   const { data: profile, refetch } = useMarriageProfileQuery({
+    enabled: false,
     retry: false,
   });
   const [isReportSheetOpen, setIsReportSheetOpen] = useState(false);
   const [isSubmitting, setIsSubmitting] = useState(false);
+  const [isCheckingRedirect, setIsCheckingRedirect] = useState(true);
 
   useEffect(() => {
-    if (!profile) {
-      return;
-    }
+    let isCancelled = false;
 
-    router.replace(localizePath(getSubmitPath(profile), locale));
-  }, [locale, profile, router]);
+    const redirectIfNeeded = async () => {
+      const shouldRedirect =
+        authBridge.isAuthenticated() &&
+        window.sessionStorage.getItem(REDIRECT_SESSION_KEY) === "true";
+
+      if (!shouldRedirect) {
+        if (!isCancelled) {
+          setIsCheckingRedirect(false);
+        }
+        return;
+      }
+
+      const profileResponse = profile ?? (await refetch()).data;
+      const nextPath = localizePath(getSubmitPath(profileResponse), locale);
+      window.sessionStorage.removeItem(REDIRECT_SESSION_KEY);
+
+      if (!isCancelled) {
+        router.replace(nextPath);
+      }
+    };
+
+    void redirectIfNeeded();
+
+    return () => {
+      isCancelled = true;
+    };
+  }, [locale, profile, refetch, router]);
 
   const handleSubmit = async () => {
     if (isSubmitting) {
@@ -66,15 +93,15 @@ export default function Intro() {
           return;
         }
       }
-
-      const profileResponse = profile ?? (await refetch()).data;
-      const nextPath = localizePath(getSubmitPath(profileResponse), locale);
-      router.push(nextPath);
     } finally {
       setIsSubmitting(false);
     }
   };
 
+  if (isCheckingRedirect) {
+    return null;
+  }
+
   return (
     <div className="pt-7">
       {isReportSheetOpen && (

src/lib/auth-bridge.ts

@@ -2,6 +2,7 @@ import { getClientCookie } from "./cookies";
 
 const TOKEN_COOKIE_NAME = "HABIB_TOKEN";
 const COINS_COOKIE_NAME = "HABIB_COINS";
+const REDIRECT_SESSION_KEY = "redirect";
 
 function postFlutterMessage(payload: Record<string, unknown>) {
   if (typeof window === "undefined") {
@@ -121,6 +122,10 @@ class AuthBridge {
       return true;
     }
 
+    if (typeof window !== "undefined") {
+      window.sessionStorage.setItem(REDIRECT_SESSION_KEY, "true");
+    }
+
     this.loginRequested = true;
     const sent = postFlutterMessage({ action: "login" });