feat: verschlüsselte Integrationseinstellungen, Haushaltsmitglieder mit Ersteller, Backup-Download

app/vouchers/[id]/page.tsx

@@ -17,6 +17,7 @@ type Voucher = {
   kategorie: string | null;
   notiz: string | null;
   status: string;
+  createdBy?: string | null;
   providerDomain?: string | null;
   logoUrl?: string | null;
   contacts?: { contact: { id: number; name: string; email: string | null; telegramChatId: string | null } }[];
@@ -94,6 +95,7 @@ export default function VoucherDetailPage({ params }: { params: Promise<{ id: st
         <Row label="Wert">{formatEuro(v.wertCents)}</Row>
         <Row label="Restguthaben">{formatEuro(v.restCents)}</Row>
         <Row label="Status">{status === "aktiv" ? "Aktiv" : status === "abgelaufen" ? "Abgelaufen" : "Eingelöst"}</Row>
+        <Row label="Angelegt von">{v.createdBy ? v.createdBy : "Nicht erfasst"}</Row>
         {v.ablaufdatum && (
           <Row label="Ablaufdatum">{new Date(v.ablaufdatum).toLocaleDateString("de-DE")}</Row>
         )}

app/vouchers/new/page.tsx

@@ -31,6 +31,8 @@ export default function NewVoucherPage() {
   const [serverError, setServerError] = useState("");
   const [contacts, setContacts] = useState<{ id: number; name: string }[]>([]);
   const [contactIds, setContactIds] = useState<number[]>([]);
+  const [members, setMembers] = useState<{ id: number; name: string }[]>([]);
+  const [memberId, setMemberId] = useState("");
   const [reminderDays, setReminderDays] = useState<number[]>([...DEFAULT_REMINDER_DAYS]);
   const [candidates, setCandidates] = useState<LogoCandidate[]>([]);
   const [logoSearching, setLogoSearching] = useState(false);
@@ -43,6 +45,10 @@ export default function NewVoucherPage() {
       .then((r) => (r.ok ? r.json() : []))
       .then(setContacts)
       .catch(() => {});
+    fetch("/api/members")
+      .then((r) => (r.ok ? r.json() : []))
+      .then(setMembers)
+      .catch(() => {});
   }, []);
 
   function set(name: string, value: string) {
@@ -101,7 +107,7 @@ export default function NewVoucherPage() {
     const res = await fetch("/api/vouchers", {
       method: "POST",
       headers: { "content-type": "application/json" },
-      body: JSON.stringify({ ...input, contactIds, reminderDays, providerDomain: selectedLogo?.domain ?? null }),
+      body: JSON.stringify({ ...input, contactIds, reminderDays, providerDomain: selectedLogo?.domain ?? null, memberId: memberId === "" ? null : Number(memberId) }),
     });
     if (!res.ok) {
       const data = await res.json().catch(() => ({}));
@@ -121,6 +127,30 @@ export default function NewVoucherPage() {
       <h1 className="mt-2 text-2xl font-semibold tracking-tight">Gutschein anlegen</h1>
       <p className="mt-1 text-sm text-muted">Alle Angaben lassen sich später noch ändern.</p>
       <form onSubmit={onSubmit} className="mt-5 rounded-card border border-line bg-white p-5 sm:p-6" noValidate>
+        <div className="mb-4">
+          <label htmlFor="memberId" className="block text-[13px] font-semibold">
+            Angelegt von
+          </label>
+          {members.length === 0 ? (
+            <p className="mt-1.5 text-[13px] text-muted">
+              Noch keine Haushaltsmitglieder. Lege sie unter <Link href="/settings" className="font-semibold text-brand-700 underline">Einstellungen</Link> an.
+            </p>
+          ) : (
+            <select
+              id="memberId"
+              value={memberId}
+              onChange={(e) => setMemberId(e.target.value)}
+              className={`${inputClass} appearance-none`}
+            >
+              <option value="">Nicht erfasst</option>
+              {members.map((m) => (
+                <option key={m.id} value={m.id}>
+                  {m.name}
+                </option>
+              ))}
+            </select>
+          )}
+        </div>
         <div className="grid gap-4 sm:grid-cols-2">
           {FIELDS.map((f) => (
             <div key={f.name} className={f.name === "notiz" ? "sm:col-span-2" : undefined}>