bugfix: the flow for trial and accept invitation (org + staff)is now unified. all navigate to dshboard if succesfull.

frontend/src/app/[locale]/(public)/accept-organization-invite/page.tsx

@@ -16,6 +16,8 @@ import { OrganizationDetailsFields } from '@/components/ui/auth/OrganizationDeta
 import { RegistrationProgressSteps } from '@/components/ui/auth/RegistrationProgressSteps';
 import { getUserFacingError } from '@/components/shared/formatApiError';
 import { organizationApi } from '@/lib/api/organization';
+import { useAuth } from '@/lib/hooks/useAuth';
+import { navigateIntoAppIfOrgSelected } from '@/lib/auth/postAuthRedirect';
 
 type AcceptOrganizationInviteForm = {
   ownerName: string;
@@ -33,6 +35,7 @@ function AcceptOrganizationInviteContent() {
   const tValidation = useTranslations('validation');
   const params = useSearchParams();
   const router = useRouter();
+  const { login } = useAuth();
   const token = useMemo(() => params.get('token') || '', [params]);
 
   const acceptOrganizationInviteSchema = useMemo(
@@ -137,6 +140,7 @@ function AcceptOrganizationInviteContent() {
     setError('');
     setSuccess('');
     setSubmitting(true);
+    let accepted = false;
     try {
       await organizationApi.acceptInvite({
         token,
@@ -146,10 +150,20 @@ function AcceptOrganizationInviteContent() {
         organizationEmail: data.organizationEmail.trim(),
         organizationType: data.organizationType,
       });
-      setSuccess(t('organizationAcceptedRedirect'));
-      setTimeout(() => router.replace('/login'), 1000);
+      accepted = true;
+      const email = inviteInfo?.ownerEmail?.trim();
+      if (!email) {
+        throw new Error('missing-invite-email');
+      }
+      const { organizations } = await login(email, data.password);
+      navigateIntoAppIfOrgSelected((href) => router.replace(href), organizations.length);
     } catch (e: unknown) {
-      setError(getUserFacingError(e, tErrors, t('errorAcceptInvitation')));
+      if (accepted) {
+        setSuccess(t('invitationAcceptedSignInFailed'));
+        setTimeout(() => router.replace('/login'), 1500);
+      } else {
+        setError(getUserFacingError(e, tErrors, t('errorAcceptInvitation')));
+      }
     } finally {
       setSubmitting(false);
     }