stage 1 of oauth removal, switch to sanctum pat tokens

resources/js/admin/pages/AuthCallbackPage.tsx

@@ -1,42 +1,44 @@
 import React from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useAuth } from '../auth/context';
-import { isAuthError } from '../auth/tokens';
 import { ADMIN_DEFAULT_AFTER_LOGIN_PATH } from '../constants';
+import { decodeReturnTo, resolveReturnTarget } from '../lib/returnTo';
 
-export default function AuthCallbackPage() {
-  const { completeLogin } = useAuth();
+export default function AuthCallbackPage(): JSX.Element {
+  const { status } = useAuth();
   const navigate = useNavigate();
-  const [error, setError] = React.useState<string | null>(null);
-  const hasHandledRef = React.useRef(false);
+  const [redirected, setRedirected] = React.useState(false);
+
+  const searchParams = React.useMemo(() => new URLSearchParams(window.location.search), []);
+  const rawReturnTo = searchParams.get('return_to');
+
+  const fallback = ADMIN_DEFAULT_AFTER_LOGIN_PATH;
+  const destination = React.useMemo(() => {
+    if (rawReturnTo) {
+      const decoded = decodeReturnTo(rawReturnTo);
+      if (decoded) {
+        return decoded;
+      }
+    }
+
+    return resolveReturnTarget(null, fallback).finalTarget;
+  }, [fallback, rawReturnTo]);
 
   React.useEffect(() => {
-    if (hasHandledRef.current) {
+    if (status !== 'authenticated' || redirected) {
       return;
     }
-    hasHandledRef.current = true;
 
-    const params = new URLSearchParams(window.location.search);
-    completeLogin(params)
-      .then((redirectTo) => {
-        navigate(redirectTo ?? ADMIN_DEFAULT_AFTER_LOGIN_PATH, { replace: true });
-      })
-      .catch((err) => {
-        console.error('[Auth] Callback processing failed', err);
-        if (isAuthError(err) && err.code === 'token_exchange_failed') {
-          setError('Anmeldung fehlgeschlagen. Bitte versuche es erneut.');
-        } else if (isAuthError(err) && err.code === 'invalid_state') {
-          setError('Ungültiger Login-Vorgang. Bitte starte die Anmeldung erneut.');
-        } else {
-          setError('Unbekannter Fehler beim Login.');
-        }
-      });
-  }, [completeLogin, navigate]);
+    setRedirected(true);
+    navigate(destination, { replace: true });
+  }, [destination, navigate, redirected, status]);
 
   return (
     <div className="flex min-h-screen flex-col items-center justify-center gap-3 p-6 text-center text-sm text-muted-foreground">
-      <span className="text-base font-medium text-foreground">Anmeldung wird verarbeitet ...</span>
-      {error && <div className="max-w-sm rounded border border-red-300 bg-red-50 p-3 text-sm text-red-700">{error}</div>}
+      <span className="text-base font-medium text-foreground">Anmeldung wird verarbeitet …</span>
+      <p className="max-w-xs text-xs text-muted-foreground">
+        Bitte warte einen Moment. Wir richten dein Dashboard ein.
+      </p>
     </div>
   );
 }