Aktueller Stand

app/reset/confirm/page.tsx

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+import { Suspense } from "react";
+import ResetConfirmClient from "./reset-confirm-client";
+
+export const dynamic = "force-dynamic";
+
+export default function ResetConfirmPage() {
+  return (
+    <Suspense
+      fallback={
+        <div className="mx-auto max-w-md card fade-up">
+          <h1 className="text-2xl font-semibold">Neues Passwort</h1>
+          <p className="mt-1 text-sm text-slate-600">Link wird geladen...</p>
+        </div>
+      }
+    >
+      <ResetConfirmClient />
+    </Suspense>
+  );
+}

app/reset/confirm/reset-confirm-client.tsx

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+"use client";
+
+import { useSearchParams } from "next/navigation";
+import { useState } from "react";
+
+export default function ResetConfirmClient() {
+  const searchParams = useSearchParams();
+  const token = searchParams.get("token");
+  const [status, setStatus] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  const onSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    setStatus(null);
+    setError(null);
+
+    const formData = new FormData(event.currentTarget);
+    const newPassword = formData.get("newPassword");
+
+    const response = await fetch("/api/password-reset/confirm", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ token, newPassword })
+    });
+
+    if (!response.ok) {
+      const data = await response.json();
+      setError(data.error || "Passwort konnte nicht geändert werden.");
+      return;
+    }
+
+    setStatus("Passwort aktualisiert. Du kannst dich jetzt anmelden.");
+    event.currentTarget.reset();
+  };
+
+  if (!token) {
+    return (
+      <div className="mx-auto max-w-md card fade-up">
+        <h1 className="text-2xl font-semibold">Ungültiger Link</h1>
+        <p className="mt-1 text-sm text-slate-600">
+          Der Link ist unvollständig oder abgelaufen.
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="mx-auto max-w-md card fade-up">
+      <h1 className="text-2xl font-semibold">Neues Passwort</h1>
+      <p className="mt-1 text-sm text-slate-600">
+        Setze ein neues Passwort für dein Konto.
+      </p>
+      <form onSubmit={onSubmit} className="mt-4 space-y-3">
+        <input
+          name="newPassword"
+          type="password"
+          placeholder="Neues Passwort"
+          required
+          className="w-full rounded-xl border border-slate-300 px-3 py-2"
+        />
+        <button type="submit" className="btn-accent w-full">
+          Passwort speichern
+        </button>
+      </form>
+      {status && <p className="mt-3 text-sm text-emerald-600">{status}</p>}
+      {error && <p className="mt-3 text-sm text-red-600">{error}</p>}
+    </div>
+  );
+}