diff --git a/gerbil-manager-web/src/App.tsx b/gerbil-manager-web/src/App.tsx
index f11a4b0..a880715 100644
--- a/gerbil-manager-web/src/App.tsx
+++ b/gerbil-manager-web/src/App.tsx
@@ -19,6 +19,9 @@ import NotFoundPage from './pages/NotFoundPage'
 import StammbaumPage from './pages/StammbaumPage'
 import StatistikPage from './pages/StatistikPage'
 import HilfePage from './pages/HilfePage'
+import VertraegeListPage from './pages/VertraegeListPage'
+import VertragWizardPage from './pages/VertragWizardPage'
+import EinstellungenPage from './pages/EinstellungenPage'
 
 export default function App() {
   return (
@@ -55,7 +58,16 @@ export default function App() {
           <Route path="genetik" element={<GenetikPage />} />
           <Route path="abgabe" element={<AbgabePage />} />
           <Route path="statistik" element={<StatistikPage />} />
+<<<<<<< HEAD
           <Route path="hilfe" element={<HilfePage />} />
+=======
+          {/* FEAT-13: Abgabeverträge + Einstellungen (Zuchtprofil) */}
+          <Route path="vertraege">
+            <Route index element={<VertraegeListPage />} />
+            <Route path="neu" element={<VertragWizardPage />} />
+          </Route>
+          <Route path="einstellungen" element={<EinstellungenPage />} />
+>>>>>>> 3ec4f66 (FEAT-13: Abgabe wizard (/vertraege/neu, 4 steps, ?tiere= prefill), Vertraege list w/ download+delete, /einstellungen Zuchtprofil form, contracts/settings API clients, nav entries, detail-page entry point + replace orphaned contactInfo with email/phone/address across Kontakt pages)
           <Route path="*" element={<NotFoundPage />} />
         </Route>
       </Routes>
diff --git a/gerbil-manager-web/src/api/client.ts b/gerbil-manager-web/src/api/client.ts
index 08fc51d..90498e0 100644
--- a/gerbil-manager-web/src/api/client.ts
+++ b/gerbil-manager-web/src/api/client.ts
@@ -69,4 +69,5 @@ export const resources = {
   contacts: '/contacts',
   enclosures: '/enclosures',
   colorVarieties: '/color-varieties',
+  contracts: '/contracts',
 } as const
diff --git a/gerbil-manager-web/src/api/contacts.ts b/gerbil-manager-web/src/api/contacts.ts
index cbfa0be..72f4c9f 100644
--- a/gerbil-manager-web/src/api/contacts.ts
+++ b/gerbil-manager-web/src/api/contacts.ts
@@ -6,7 +6,9 @@ import type { Contact, Paged } from './types'
 /** Payload for POST /contacts. */
 export interface CreateContact {
   name: string
-  contactInfo?: string | null
+  email?: string | null
+  phone?: string | null
+  address?: string | null
   notes?: string | null
 }
 
diff --git a/gerbil-manager-web/src/api/contracts.ts b/gerbil-manager-web/src/api/contracts.ts
new file mode 100644
index 0000000..e5d7295
--- /dev/null
+++ b/gerbil-manager-web/src/api/contracts.ts
@@ -0,0 +1,42 @@
+/** FEAT-13: Abgabeverträge (/contracts). */
+import { API_BASE_URL, api, resources } from './client'
+import { toQueryString, type GridifyQuery } from './gridify'
+import type { DateOnlyString, Paged } from './types'
+
+export interface SaleContract {
+  id: string
+  contactId: string
+  price: number
+  handoverDate: DateOnlyString
+  contractDate: DateOnlyString
+  fileName: string
+  createdAt: string
+  gerbilIds: string[]
+  /** API-relativer Download-Pfad ("/contracts/{id}/file"). */
+  url: string
+}
+
+export interface CreateSaleContract {
+  contactId: string
+  gerbilIds: string[]
+  price: number
+  handoverDate: DateOnlyString
+  contractDate?: DateOnlyString | null
+}
+
+export function listContracts(query: GridifyQuery): Promise<Paged<SaleContract>> {
+  return api.get<Paged<SaleContract>>(`${resources.contracts}${toQueryString(query)}`)
+}
+
+export function createContract(body: CreateSaleContract): Promise<SaleContract> {
+  return api.post<SaleContract>(resources.contracts, body)
+}
+
+export function deleteContract(id: string): Promise<void> {
+  return api.delete(`${resources.contracts}/${id}`)
+}
+
+/** Absolute Download-URL der .docx (für <a href> / window.open). */
+export function contractFileUrl(contract: Pick<SaleContract, 'url'>): string {
+  return `${API_BASE_URL}${contract.url}`
+}
diff --git a/gerbil-manager-web/src/api/settings.ts b/gerbil-manager-web/src/api/settings.ts
new file mode 100644
index 0000000..248c550
--- /dev/null
+++ b/gerbil-manager-web/src/api/settings.ts
@@ -0,0 +1,36 @@
+/** FEAT-13: Zuchtprofil (/settings/breeder-profile) — Verkäufer-Block der Verträge. */
+import { api } from './client'
+
+export interface BreederProfile {
+  zuchtName: string
+  name: string
+  address: string
+  phone: string
+  email: string
+  homepage: string
+  /** Ort der Unterschriftszeile („{Ort}, den {Datum}“). */
+  city: string
+}
+
+export const EMPTY_BREEDER_PROFILE: BreederProfile = {
+  zuchtName: '',
+  name: '',
+  address: '',
+  phone: '',
+  email: '',
+  homepage: '',
+  city: '',
+}
+
+/** Pflichtangaben für einen brauchbaren Vertrag (Hinweis-Logik der UI). */
+export function isBreederProfileComplete(p: BreederProfile): boolean {
+  return [p.name, p.address, p.city].every((v) => v.trim().length > 0)
+}
+
+export function getBreederProfile(): Promise<BreederProfile> {
+  return api.get<BreederProfile>('/settings/breeder-profile')
+}
+
+export function putBreederProfile(profile: BreederProfile): Promise<void> {
+  return api.put<void>('/settings/breeder-profile', profile)
+}
diff --git a/gerbil-manager-web/src/api/types.ts b/gerbil-manager-web/src/api/types.ts
index e9f62a4..a59aa3e 100644
--- a/gerbil-manager-web/src/api/types.ts
+++ b/gerbil-manager-web/src/api/types.ts
@@ -73,7 +73,9 @@ export interface Enclosure {
 export interface Contact {
   id: string
   name: string
-  contactInfo: string | null
+  email: string | null
+  phone: string | null
+  address: string | null
   notes: string | null
 }
 
diff --git a/gerbil-manager-web/src/components/AppShell.tsx b/gerbil-manager-web/src/components/AppShell.tsx
index 3a0859d..05d13fe 100644
--- a/gerbil-manager-web/src/components/AppShell.tsx
+++ b/gerbil-manager-web/src/components/AppShell.tsx
@@ -23,6 +23,9 @@ const SECONDARY: NavItem[] = [
   { to: '/kontakte', label: de.nav.contacts, icon: '📇' },
   { to: '/abgabe', label: de.nav.forSale, icon: '🏡' },
   { to: '/statistik', label: de.nav.statistics, icon: '📊' },
+  // FEAT-13: Abgabeverträge + Zuchtprofil
+  { to: '/vertraege', label: de.nav.contracts, icon: '📄' },
+  { to: '/einstellungen', label: de.nav.settings, icon: '⚙️' },
   { to: '/hilfe', label: de.nav.help, icon: '❓' },
 ]
 
diff --git a/gerbil-manager-web/src/pages/EinstellungenPage.tsx b/gerbil-manager-web/src/pages/EinstellungenPage.tsx
new file mode 100644
index 0000000..a340778
--- /dev/null
+++ b/gerbil-manager-web/src/pages/EinstellungenPage.tsx
@@ -0,0 +1,100 @@
+/**
+ * FEAT-13: Einstellungen — Zuchtprofil (Verkäufer-Block der Abgabeverträge).
+ * Einzelzeilen-Settings im Backend (/settings/breeder-profile); die Züchterin
+ * pflegt ihre Daten hier statt in einer JSON-Datei.
+ */
+import { useState, type FormEvent } from 'react'
+import { de } from '../strings/de'
+import {
+  EMPTY_BREEDER_PROFILE,
+  getBreederProfile,
+  isBreederProfileComplete,
+  putBreederProfile,
+  type BreederProfile,
+} from '../api/settings'
+import { useApi, useMutation } from '../hooks/useApi'
+
+export default function EinstellungenPage() {
+  const t = de.pages.einstellungen
+  const tz = t.zuchtprofil
+
+  const [form, setForm] = useState<BreederProfile>(EMPTY_BREEDER_PROFILE)
+  const [initialized, setInitialized] = useState(false)
+  const [saved, setSaved] = useState(false)
+
+  const existing = useApi(() => getBreederProfile(), [])
+  if (existing.data && !initialized) {
+    setInitialized(true)
+    setForm(existing.data)
+  }
+
+  const set = <K extends keyof BreederProfile>(key: K, value: string) => {
+    setSaved(false)
+    setForm((f) => ({ ...f, [key]: value }))
+  }
+
+  const mutation = useMutation((profile: BreederProfile) => putBreederProfile(profile))
+
+  async function onSubmit(e: FormEvent) {
+    e.preventDefault()
+    const result = await mutation.run(form)
+    if (result.ok) setSaved(true)
+  }
+
+  if (existing.loading) return <p className="muted">{de.common.loading}</p>
+  if (existing.error) {
+    return (
+      <section className="page">
+        <h2>{t.title}</h2>
+        <div className="alert alert--error">
+          <span>{existing.error}</span>
+          <button type="button" className="btn" onClick={existing.reload}>
+            {de.common.retry}
+          </button>
+        </div>
+      </section>
+    )
+  }
+
+  const field = (
+    key: keyof BreederProfile,
+    label: string,
+    hint?: string,
+    type: string = 'text',
+  ) => (
+    <label className="field">
+      <span>{label}</span>
+      <input className="input" type={type} value={form[key]} onChange={(e) => set(key, e.target.value)} />
+      {hint && <small className="muted">{hint}</small>}
+    </label>
+  )
+
+  return (
+    <section className="page">
+      <h2>{t.title}</h2>
+
+      <h3>{tz.title}</h3>
+      <p className="muted">{tz.intro}</p>
+      {!isBreederProfileComplete(form) && <div className="alert alert--error">{tz.incompleteHint}</div>}
+
+      <form className="form" onSubmit={onSubmit} noValidate>
+        {field('zuchtName', tz.fields.zuchtName)}
+        {field('name', tz.fields.name, tz.fields.nameHint)}
+        {field('address', tz.fields.address, tz.fields.addressHint)}
+        {field('city', tz.fields.city)}
+        {field('phone', tz.fields.phone, undefined, 'tel')}
+        {field('email', tz.fields.email, undefined, 'email')}
+        {field('homepage', tz.fields.homepage, undefined, 'url')}
+
+        {mutation.error && <div className="alert alert--error">{mutation.error}</div>}
+
+        <div className="form-actions">
+          <button type="submit" className="btn btn--primary" disabled={mutation.pending}>
+            {mutation.pending ? tz.saving : tz.save}
+          </button>
+          {saved && <span className="muted">{tz.saved}</span>}
+        </div>
+      </form>
+    </section>
+  )
+}
diff --git a/gerbil-manager-web/src/pages/GerbilDetailPage.tsx b/gerbil-manager-web/src/pages/GerbilDetailPage.tsx
index fbeae2b..4a52b27 100644
--- a/gerbil-manager-web/src/pages/GerbilDetailPage.tsx
+++ b/gerbil-manager-web/src/pages/GerbilDetailPage.tsx
@@ -113,6 +113,12 @@ export default function GerbilDetailPage() {
           <Link to={`/rennmaeuse/${g.id}/stammbaum`} className="btn">
             {de.pages.stammbaum.openButton}
           </Link>
+          {/* FEAT-13: Abgabe abschließen — Vertrag-Assistent mit diesem Tier vorausgewählt. */}
+          {g.status !== 'Deceased' && g.status !== 'GivenAway' && (
+            <Link to={`/vertraege/neu?tiere=${g.id}`} className="btn">
+              {de.pages.vertraege.wizard.title}
+            </Link>
+          )}
           <Link to="/rennmaeuse" className="btn">
             {t.detail.back}
           </Link>
diff --git a/gerbil-manager-web/src/pages/KontaktDetailPage.tsx b/gerbil-manager-web/src/pages/KontaktDetailPage.tsx
index d0b3103..fdc5318 100644
--- a/gerbil-manager-web/src/pages/KontaktDetailPage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktDetailPage.tsx
@@ -97,8 +97,16 @@ export default function KontaktDetailPage() {
 
       <dl className="def-list">
         <div className="def-row">
-          <dt>{t.fields.contactInfo}</dt>
-          <dd>{c.contactInfo ?? '—'}</dd>
+          <dt>{t.fields.email}</dt>
+          <dd>{c.email ?? '—'}</dd>
+        </div>
+        <div className="def-row">
+          <dt>{t.fields.phone}</dt>
+          <dd>{c.phone ?? '—'}</dd>
+        </div>
+        <div className="def-row">
+          <dt>{t.fields.address}</dt>
+          <dd>{c.address ?? '—'}</dd>
         </div>
         <div className="def-row">
           <dt>{t.fields.notes}</dt>
diff --git a/gerbil-manager-web/src/pages/KontaktFormPage.tsx b/gerbil-manager-web/src/pages/KontaktFormPage.tsx
index 3aebe83..0480aa2 100644
--- a/gerbil-manager-web/src/pages/KontaktFormPage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktFormPage.tsx
@@ -1,4 +1,5 @@
-/** FEAT-2: Kontakt anlegen/bearbeiten — Name (Pflicht), Kontaktdaten, Notizen. */
+/** FEAT-2: Kontakt anlegen/bearbeiten — Name (Pflicht), E-Mail/Telefon/Adresse, Notizen.
+ * (FEAT-13: strukturierte Felder statt Freitext-Kontaktdaten — Käufer-Block der Verträge.) */
 import { useState, type FormEvent } from 'react'
 import { Link, useNavigate, useParams } from 'react-router-dom'
 import { de } from '../strings/de'
@@ -7,11 +8,13 @@ import { useApi, useMutation } from '../hooks/useApi'
 
 interface FormState {
   name: string
-  contactInfo: string
+  email: string
+  phone: string
+  address: string
   notes: string
 }
 
-const EMPTY: FormState = { name: '', contactInfo: '', notes: '' }
+const EMPTY: FormState = { name: '', email: '', phone: '', address: '', notes: '' }
 
 /** "" -> null, sonst der Wert. */
 const nn = (s: string): string | null => (s.trim() === '' ? null : s)
@@ -33,7 +36,9 @@ export default function KontaktFormPage() {
     setInitializedFor(existing.data.id)
     setForm({
       name: existing.data.name,
-      contactInfo: existing.data.contactInfo ?? '',
+      email: existing.data.email ?? '',
+      phone: existing.data.phone ?? '',
+      address: existing.data.address ?? '',
       notes: existing.data.notes ?? '',
     })
   }
@@ -54,7 +59,9 @@ export default function KontaktFormPage() {
     setErrors({})
     const result = await mutation.run({
       name: form.name.trim(),
-      contactInfo: nn(form.contactInfo),
+      email: nn(form.email),
+      phone: nn(form.phone),
+      address: nn(form.address),
       notes: nn(form.notes),
     })
     if (result.ok) navigate(`/kontakte/${result.value.id}`)
@@ -80,13 +87,33 @@ export default function KontaktFormPage() {
         </label>
 
         <label className="field">
-          <span>{t.fields.contactInfo}</span>
+          <span>{t.fields.email}</span>
           <input
             className="input"
-            value={form.contactInfo}
-            onChange={(e) => set('contactInfo', e.target.value)}
+            type="email"
+            value={form.email}
+            onChange={(e) => set('email', e.target.value)}
           />
-          <small className="muted">{t.form.contactInfoHint}</small>
+        </label>
+
+        <label className="field">
+          <span>{t.fields.phone}</span>
+          <input
+            className="input"
+            type="tel"
+            value={form.phone}
+            onChange={(e) => set('phone', e.target.value)}
+          />
+        </label>
+
+        <label className="field">
+          <span>{t.fields.address}</span>
+          <input
+            className="input"
+            value={form.address}
+            onChange={(e) => set('address', e.target.value)}
+          />
+          <small className="muted">{t.form.addressHint}</small>
         </label>
 
         <label className="field">
diff --git a/gerbil-manager-web/src/pages/KontaktePage.tsx b/gerbil-manager-web/src/pages/KontaktePage.tsx
index a897126..6512ef9 100644
--- a/gerbil-manager-web/src/pages/KontaktePage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktePage.tsx
@@ -74,7 +74,9 @@ export default function KontaktePage() {
             <li key={c.id}>
               <Link to={`/kontakte/${c.id}`} className="gerbil-card">
                 <span className="gerbil-card__name">{c.name}</span>
-                <span className="gerbil-card__meta">{c.contactInfo ?? ''}</span>
+                <span className="gerbil-card__meta">
+                  {[c.phone, c.email].filter(Boolean).join(' · ')}
+                </span>
               </Link>
             </li>
           ))}
diff --git a/gerbil-manager-web/src/pages/VertraegeListPage.tsx b/gerbil-manager-web/src/pages/VertraegeListPage.tsx
new file mode 100644
index 0000000..1238da9
--- /dev/null
+++ b/gerbil-manager-web/src/pages/VertraegeListPage.tsx
@@ -0,0 +1,123 @@
+/** FEAT-13: Abgabeverträge — Liste mit Download/Löschen (/vertraege). */
+import { useMemo, useState } from 'react'
+import { Link } from 'react-router-dom'
+import { de } from '../strings/de'
+import { contractFileUrl, deleteContract, listContracts } from '../api/contracts'
+import { listContactsPaged } from '../api/contacts'
+import { useApi, useMutation } from '../hooks/useApi'
+import { formatDate } from '../format/labels'
+import './vertragWizard.css'
+
+const PAGE_SIZE = 20
+
+function formatPrice(price: number): string {
+  return `${price.toLocaleString('de-DE', { minimumFractionDigits: 2, maximumFractionDigits: 2 })} €`
+}
+
+export default function VertraegeListPage() {
+  const t = de.pages.vertraege
+  const [page, setPage] = useState(1)
+
+  const contracts = useApi(
+    () => listContracts({ page, pageSize: PAGE_SIZE, orderBy: 'createdAt desc' }),
+    [page],
+  )
+  const contacts = useApi(() => listContactsPaged({ page: 1, pageSize: 1000, orderBy: 'name' }), [])
+  const contactName = useMemo(
+    () => new Map((contacts.data?.items ?? []).map((c) => [c.id, c.name])),
+    [contacts.data],
+  )
+
+  const removal = useMutation((id: string) => deleteContract(id))
+  async function onDelete(id: string) {
+    if (!window.confirm(t.confirmDelete)) return
+    const result = await removal.run(id)
+    if (result.ok) contracts.reload()
+  }
+
+  if (contracts.loading) return <p className="muted">{de.common.loading}</p>
+  if (contracts.error || !contracts.data) {
+    return (
+      <section className="page">
+        <h2>{t.title}</h2>
+        <div className="alert alert--error">
+          <span>{contracts.error}</span>
+          <button type="button" className="btn" onClick={contracts.reload}>
+            {de.common.retry}
+          </button>
+        </div>
+      </section>
+    )
+  }
+
+  const { items, totalCount } = contracts.data
+  const totalPages = Math.max(1, Math.ceil(totalCount / PAGE_SIZE))
+
+  return (
+    <section className="page">
+      <header className="page-head">
+        <div>
+          <h2>{t.title}</h2>
+          <p className="muted">
+            {totalCount} {t.countLabel}
+          </p>
+        </div>
+        <div className="head-actions">
+          <Link to="/vertraege/neu" className="btn btn--primary">
+            {t.newButton}
+          </Link>
+        </div>
+      </header>
+
+      {removal.error && <div className="alert alert--error">{removal.error}</div>}
+
+      {items.length === 0 ? (
+        <p className="muted">{t.empty}</p>
+      ) : (
+        <ul className="card-list">
+          {items.map((c) => (
+            <li key={c.id} className="gerbil-card vertrag-card">
+              <span className="gerbil-card__name">{contactName.get(c.contactId) ?? '—'}</span>
+              <span className="gerbil-card__meta">
+                {t.animalsCount(c.gerbilIds.length)} · {formatPrice(c.price)} ·{' '}
+                {t.fields.handoverDate} {formatDate(c.handoverDate)}
+              </span>
+              <span className="head-actions">
+                <a className="btn" href={contractFileUrl(c)}>
+                  {t.download}
+                </a>
+                <button
+                  type="button"
+                  className="btn btn--danger"
+                  onClick={() => onDelete(c.id)}
+                  disabled={removal.pending}
+                >
+                  {t.delete}
+                </button>
+              </span>
+            </li>
+          ))}
+        </ul>
+      )}
+
+      {totalPages > 1 && (
+        <nav className="pager" aria-label="Seitennavigation">
+          <button type="button" className="btn" disabled={page <= 1} onClick={() => setPage(page - 1)}>
+            {de.common.previous}
+          </button>
+          <span>
+            {de.common.page} {page} {de.common.of} {totalPages}
+          </span>
+          <button
+            type="button"
+            className="btn"
+            disabled={page >= totalPages}
+            onClick={() => setPage(page + 1)}
+          >
+            {de.common.next}
+          </button>
+        </nav>
+      )}
+    </section>
+  )
+}
diff --git a/gerbil-manager-web/src/pages/VertragWizardPage.tsx b/gerbil-manager-web/src/pages/VertragWizardPage.tsx
new file mode 100644
index 0000000..1434ffb
--- /dev/null
+++ b/gerbil-manager-web/src/pages/VertragWizardPage.tsx
@@ -0,0 +1,450 @@
+/**
+ * FEAT-13: „Abgabe abschließen“ — Assistent (/vertraege/neu).
+ *
+ * Schritte: Abnehmer wählen/anlegen → Tiere bestätigen → Preis & Datum →
+ * Zusammenfassung + Vertrag erzeugen. Einstiege: Tier-Detail
+ * (?tiere=<id>) und Kevins Abgabe-Gruppen (?tiere=<id1,id2,…>); die
+ * Vorauswahl kommt aus dem Query-Parameter. POST /contracts erledigt
+ * serverseitig in EINER Transaktion: .docx erzeugen + speichern, Vertrag
+ * anlegen, Tiere auf „Abgegeben“ stellen (Abnehmer + Abgabedatum).
+ */
+import { useMemo, useState } from 'react'
+import { Link, useNavigate, useSearchParams } from 'react-router-dom'
+import { de } from '../strings/de'
+import { listGerbils } from '../api/gerbils'
+import { createContact, listContactsPaged } from '../api/contacts'
+import { contractFileUrl, createContract, type SaleContract } from '../api/contracts'
+import { getBreederProfile, isBreederProfileComplete } from '../api/settings'
+import { listColorVarieties } from '../api/lookups'
+import { useApi, useMutation } from '../hooks/useApi'
+import { formatDate, genderLabel } from '../format/labels'
+import './vertragWizard.css'
+
+type Step = 0 | 1 | 2 | 3
+
+/** "72,00" / "72.5" / "72" → Zahl; null bei Unfug. */
+function parsePrice(input: string): number | null {
+  const normalized = input.trim().replace(/\./g, '').replace(',', '.')
+  if (normalized === '' || !/^\d+(\.\d{1,2})?$/.test(normalized)) return null
+  return Number(normalized)
+}
+
+function todayIso(): string {
+  return new Date().toISOString().slice(0, 10)
+}
+
+export default function VertragWizardPage() {
+  const t = de.pages.vertraege.wizard
+  const navigate = useNavigate()
+  const [params] = useSearchParams()
+
+  const [step, setStep] = useState<Step>(0)
+  const [stepError, setStepError] = useState<string | null>(null)
+
+  /* ── Schritt 1: Abnehmer ── */
+  const [contactId, setContactId] = useState<string | null>(null)
+  const [contactSearch, setContactSearch] = useState('')
+  const [newContact, setNewContact] = useState({ name: '', email: '', phone: '', address: '' })
+
+  const contacts = useApi(() => listContactsPaged({ page: 1, pageSize: 1000, orderBy: 'name' }), [])
+  const contactItems = useMemo(() => contacts.data?.items ?? [], [contacts.data])
+  const filteredContacts = useMemo(() => {
+    const needle = contactSearch.trim().toLowerCase()
+    return needle === ''
+      ? contactItems
+      : contactItems.filter((c) => c.name.toLowerCase().includes(needle))
+  }, [contactItems, contactSearch])
+  const selectedContact = contactItems.find((c) => c.id === contactId) ?? null
+
+  const contactCreation = useMutation(() =>
+    createContact({
+      name: newContact.name.trim(),
+      email: newContact.email.trim() || null,
+      phone: newContact.phone.trim() || null,
+      address: newContact.address.trim() || null,
+    }),
+  )
+  async function onCreateContact() {
+    if (newContact.name.trim() === '') {
+      setStepError(t.contactNameRequired)
+      return
+    }
+    setStepError(null)
+    const result = await contactCreation.run()
+    if (result.ok) {
+      contacts.reload()
+      setContactId(result.value.id)
+      setNewContact({ name: '', email: '', phone: '', address: '' })
+    }
+  }
+
+  /* ── Schritt 2: Tiere (lebend, nicht abgegeben; Vorauswahl aus ?tiere=) ── */
+  const [selectedIds, setSelectedIds] = useState<Set<string>>(
+    () => new Set((params.get('tiere') ?? '').split(',').filter(Boolean)),
+  )
+  const animals = useApi(
+    () =>
+      listGerbils({
+        page: 1,
+        pageSize: 1000,
+        orderBy: 'name',
+        filter: 'status!=Deceased,status!=GivenAway',
+      }),
+    [],
+  )
+  const colorVarieties = useApi(() => listColorVarieties(), [])
+  const colorName = useMemo(
+    () => new Map((colorVarieties.data ?? []).map((c) => [c.id, c.name])),
+    [colorVarieties.data],
+  )
+  const animalItems = animals.data?.items ?? []
+  const selectedAnimals = animalItems.filter((g) => selectedIds.has(g.id))
+
+  const toggleAnimal = (id: string) =>
+    setSelectedIds((ids) => {
+      const next = new Set(ids)
+      if (next.has(id)) next.delete(id)
+      else next.add(id)
+      return next
+    })
+
+  /* ── Schritt 3: Preis & Datum ── */
+  const [priceText, setPriceText] = useState('')
+  const [handoverDate, setHandoverDate] = useState(todayIso())
+  const [contractDate, setContractDate] = useState('')
+
+  /* ── Schritt 4: Zusammenfassung + Erzeugen ── */
+  const profile = useApi(() => getBreederProfile(), [])
+  const profileComplete = profile.data ? isBreederProfileComplete(profile.data) : true
+
+  const [created, setCreated] = useState<SaleContract | null>(null)
+  const creation = useMutation(() =>
+    createContract({
+      contactId: contactId!,
+      gerbilIds: [...selectedIds],
+      price: parsePrice(priceText)!,
+      handoverDate,
+      contractDate: contractDate || null,
+    }),
+  )
+  async function onGenerate() {
+    const result = await creation.run()
+    if (result.ok) setCreated(result.value)
+  }
+
+  /* ── Navigation mit Schritt-Validierung ── */
+  function goNext() {
+    if (step === 0 && !contactId) {
+      setStepError(t.pickContact)
+      return
+    }
+    if (step === 1 && selectedIds.size === 0) {
+      setStepError(t.animalsRequired)
+      return
+    }
+    if (step === 2) {
+      if (parsePrice(priceText) === null) {
+        setStepError(t.priceInvalid)
+        return
+      }
+      if (!handoverDate) {
+        setStepError(t.handoverLabel)
+        return
+      }
+    }
+    setStepError(null)
+    setStep((s) => Math.min(3, s + 1) as Step)
+  }
+  function goBack() {
+    setStepError(null)
+    setStep((s) => Math.max(0, s - 1) as Step)
+  }
+
+  /* ── Erfolgsansicht ── */
+  if (created) {
+    return (
+      <section className="page wizard">
+        <h2>{t.successTitle}</h2>
+        <p>{t.successText}</p>
+        <div className="wizard-success-actions">
+          <a className="btn btn--primary" href={contractFileUrl(created)}>
+            {t.downloadDocx}
+          </a>
+          <Link to="/vertraege" className="btn">
+            {t.toList}
+          </Link>
+          <button
+            type="button"
+            className="btn"
+            onClick={() => {
+              setCreated(null)
+              setSelectedIds(new Set())
+              setPriceText('')
+              setStep(0)
+              animals.reload()
+            }}
+          >
+            {t.anotherOne}
+          </button>
+        </div>
+      </section>
+    )
+  }
+
+  const price = parsePrice(priceText)
+
+  return (
+    <section className="page wizard">
+      <h2>{t.title}</h2>
+
+      {/* Schritt-Anzeige */}
+      <ol className="wizard-steps">
+        {t.steps.map((label, i) => (
+          <li
+            key={label}
+            className={
+              i === step ? 'wizard-step wizard-step--active' : i < step ? 'wizard-step wizard-step--done' : 'wizard-step'
+            }
+            aria-current={i === step ? 'step' : undefined}
+          >
+            <span className="wizard-step__number">{i + 1}</span>
+            <span className="wizard-step__label">{label}</span>
+          </li>
+        ))}
+      </ol>
+
+      {stepError && <div className="alert alert--error">{stepError}</div>}
+
+      {/* ── Schritt 1: Abnehmer ── */}
+      {step === 0 && (
+        <div className="wizard-panel">
+          <h3>{t.pickContact}</h3>
+          {contacts.loading && <p className="muted">{de.common.loading}</p>}
+          {contacts.error && <div className="alert alert--error">{contacts.error}</div>}
+          {!contacts.loading && (
+            <>
+              <input
+                className="input"
+                type="search"
+                placeholder={t.searchContact}
+                value={contactSearch}
+                onChange={(e) => setContactSearch(e.target.value)}
+              />
+              {filteredContacts.length === 0 ? (
+                <p className="muted">{t.noContacts}</p>
+              ) : (
+                <ul className="wizard-pick-list">
+                  {filteredContacts.map((c) => (
+                    <li key={c.id}>
+                      <label className="wizard-pick">
+                        <input
+                          type="radio"
+                          name="abnehmer"
+                          checked={contactId === c.id}
+                          onChange={() => setContactId(c.id)}
+                        />
+                        <span className="wizard-pick__name">{c.name}</span>
+                        <span className="wizard-pick__meta">
+                          {[c.phone, c.email].filter(Boolean).join(' · ')}
+                        </span>
+                      </label>
+                    </li>
+                  ))}
+                </ul>
+              )}
+
+              <details className="wizard-newcontact">
+                <summary>{t.orCreateNew}</summary>
+                <div className="form">
+                  <label className="field">
+                    <span>{de.pages.kontakte.fields.name} *</span>
+                    <input
+                      className="input"
+                      value={newContact.name}
+                      onChange={(e) => setNewContact({ ...newContact, name: e.target.value })}
+                    />
+                  </label>
+                  <label className="field">
+                    <span>{de.pages.kontakte.fields.address}</span>
+                    <input
+                      className="input"
+                      value={newContact.address}
+                      onChange={(e) => setNewContact({ ...newContact, address: e.target.value })}
+                    />
+                    <small className="muted">{de.pages.kontakte.form.addressHint}</small>
+                  </label>
+                  <label className="field">
+                    <span>{de.pages.kontakte.fields.phone}</span>
+                    <input
+                      className="input"
+                      type="tel"
+                      value={newContact.phone}
+                      onChange={(e) => setNewContact({ ...newContact, phone: e.target.value })}
+                    />
+                  </label>
+                  <label className="field">
+                    <span>{de.pages.kontakte.fields.email}</span>
+                    <input
+                      className="input"
+                      type="email"
+                      value={newContact.email}
+                      onChange={(e) => setNewContact({ ...newContact, email: e.target.value })}
+                    />
+                  </label>
+                  {contactCreation.error && (
+                    <div className="alert alert--error">{contactCreation.error}</div>
+                  )}
+                  <button
+                    type="button"
+                    className="btn"
+                    onClick={onCreateContact}
+                    disabled={contactCreation.pending}
+                  >
+                    {t.createContact}
+                  </button>
+                </div>
+              </details>
+            </>
+          )}
+        </div>
+      )}
+
+      {/* ── Schritt 2: Tiere ── */}
+      {step === 1 && (
+        <div className="wizard-panel">
+          <h3>{t.pickAnimals}</h3>
+          <p className="muted">{t.pickAnimalsHint}</p>
+          {animals.loading && <p className="muted">{de.common.loading}</p>}
+          {animals.error && <div className="alert alert--error">{animals.error}</div>}
+          {!animals.loading && animalItems.length === 0 && <p className="muted">{t.noAnimals}</p>}
+          <ul className="wizard-pick-list">
+            {animalItems.map((g) => (
+              <li key={g.id}>
+                <label className="wizard-pick">
+                  <input
+                    type="checkbox"
+                    checked={selectedIds.has(g.id)}
+                    onChange={() => toggleAnimal(g.id)}
+                  />
+                  <span className="wizard-pick__name">{g.name}</span>
+                  <span className="wizard-pick__meta">
+                    {[
+                      genderLabel(g.gender),
+                      g.colorVarietyId ? colorName.get(g.colorVarietyId) : null,
+                      g.dateOfBirth ? `* ${formatDate(g.dateOfBirth)}` : null,
+                    ]
+                      .filter(Boolean)
+                      .join(' · ')}
+                  </span>
+                </label>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+
+      {/* ── Schritt 3: Preis & Datum ── */}
+      {step === 2 && (
+        <div className="wizard-panel form">
+          <label className="field">
+            <span>{t.priceLabel}</span>
+            <input
+              className="input"
+              inputMode="decimal"
+              placeholder={t.pricePlaceholder}
+              value={priceText}
+              onChange={(e) => setPriceText(e.target.value)}
+            />
+          </label>
+          <label className="field">
+            <span>{t.handoverLabel}</span>
+            <input
+              className="input"
+              type="date"
+              value={handoverDate}
+              onChange={(e) => setHandoverDate(e.target.value)}
+            />
+          </label>
+          <label className="field">
+            <span>{t.contractDateLabel}</span>
+            <input
+              className="input"
+              type="date"
+              value={contractDate}
+              onChange={(e) => setContractDate(e.target.value)}
+            />
+          </label>
+        </div>
+      )}
+
+      {/* ── Schritt 4: Zusammenfassung ── */}
+      {step === 3 && (
+        <div className="wizard-panel">
+          <h3>{t.summaryTitle}</h3>
+          {!profileComplete && (
+            <div className="alert alert--error">
+              <span>{t.profileIncomplete}</span>
+              <Link to="/einstellungen" className="btn">
+                {t.profileLink}
+              </Link>
+            </div>
+          )}
+          <dl className="def-list">
+            <div className="def-row">
+              <dt>{de.pages.vertraege.fields.contact}</dt>
+              <dd>{selectedContact?.name ?? '—'}</dd>
+            </div>
+            <div className="def-row">
+              <dt>{de.pages.vertraege.fields.animals}</dt>
+              <dd>{selectedAnimals.map((g) => g.name).join(', ')}</dd>
+            </div>
+            <div className="def-row">
+              <dt>{de.pages.vertraege.fields.price}</dt>
+              <dd>
+                {price !== null
+                  ? `${price.toLocaleString('de-DE', { minimumFractionDigits: 2 })} €`
+                  : '—'}
+              </dd>
+            </div>
+            <div className="def-row">
+              <dt>{de.pages.vertraege.fields.handoverDate}</dt>
+              <dd>{formatDate(handoverDate)}</dd>
+            </div>
+            <div className="def-row">
+              <dt>{de.pages.vertraege.fields.contractDate}</dt>
+              <dd>{formatDate(contractDate || handoverDate)}</dd>
+            </div>
+          </dl>
+          {creation.error && <div className="alert alert--error">{creation.error}</div>}
+        </div>
+      )}
+
+      {/* ── Navigation ── */}
+      <div className="form-actions wizard-actions">
+        {step > 0 ? (
+          <button type="button" className="btn" onClick={goBack}>
+            {t.back}
+          </button>
+        ) : (
+          <button type="button" className="btn" onClick={() => navigate(-1)}>
+            {t.cancel}
+          </button>
+        )}
+        {step < 3 ? (
+          <button type="button" className="btn btn--primary" onClick={goNext}>
+            {t.next}
+          </button>
+        ) : (
+          <button
+            type="button"
+            className="btn btn--primary"
+            onClick={onGenerate}
+            disabled={creation.pending}
+          >
+            {creation.pending ? t.generating : t.generate}
+          </button>
+        )}
+      </div>
+    </section>
+  )
+}
diff --git a/gerbil-manager-web/src/pages/vertragWizard.css b/gerbil-manager-web/src/pages/vertragWizard.css
new file mode 100644
index 0000000..c017699
--- /dev/null
+++ b/gerbil-manager-web/src/pages/vertragWizard.css
@@ -0,0 +1,142 @@
+/* FEAT-13: Abgabe-Assistent + Vertragsliste — seitenspezifische Stile
+   (Standing-Rule-2-Muster: eigene Datei statt index.css). */
+
+.wizard {
+  max-width: 40rem;
+}
+
+/* ── Schritt-Anzeige ── */
+
+.wizard-steps {
+  list-style: none;
+  display: flex;
+  gap: 0.25rem;
+  margin: 0.75rem 0 1rem;
+  padding: 0;
+}
+
+.wizard-step {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 0.25rem;
+  padding: 0.4rem 0.25rem;
+  border-bottom: 3px solid var(--color-border);
+  color: var(--color-text-muted);
+  font-size: 0.72rem;
+  text-align: center;
+}
+
+.wizard-step--active {
+  border-bottom-color: var(--color-accent);
+  color: var(--color-accent);
+  font-weight: 600;
+}
+
+.wizard-step--done {
+  border-bottom-color: var(--color-accent-soft);
+}
+
+.wizard-step__number {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 1.6rem;
+  height: 1.6rem;
+  border-radius: 50%;
+  background: var(--color-accent-soft);
+  color: var(--color-accent);
+  font-weight: 600;
+}
+
+.wizard-step--active .wizard-step__number {
+  background: var(--color-accent);
+  color: #fff;
+}
+
+/* ── Auswahllisten (Kontakte / Tiere) ── */
+
+.wizard-panel {
+  margin: 0.5rem 0 1rem;
+}
+
+.wizard-pick-list {
+  list-style: none;
+  margin: 0.75rem 0 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.4rem;
+  max-height: 22rem;
+  overflow-y: auto;
+}
+
+.wizard-pick {
+  display: grid;
+  grid-template-columns: auto 1fr;
+  gap: 0.2rem 0.6rem;
+  align-items: center;
+  padding: 0.6rem 0.8rem;
+  border: 1px solid var(--color-border);
+  border-radius: 0.6rem;
+  background: var(--color-surface);
+  cursor: pointer;
+  min-height: 44px;
+}
+
+.wizard-pick:hover {
+  background: var(--color-accent-soft);
+}
+
+.wizard-pick input {
+  grid-row: span 2;
+  width: 1.1rem;
+  height: 1.1rem;
+}
+
+.wizard-pick__name {
+  font-weight: 600;
+}
+
+.wizard-pick__meta {
+  grid-column: 2;
+  font-size: 0.8rem;
+  color: var(--color-text-muted);
+}
+
+.wizard-newcontact {
+  margin-top: 1rem;
+}
+
+.wizard-newcontact summary {
+  cursor: pointer;
+  color: var(--color-accent);
+  min-height: 44px;
+  display: flex;
+  align-items: center;
+}
+
+.wizard-actions {
+  justify-content: space-between;
+}
+
+.wizard-success-actions {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  max-width: 22rem;
+  margin-top: 1rem;
+}
+
+/* ── Vertragsliste ── */
+
+.vertrag-card {
+  grid-template-columns: 1fr auto;
+}
+
+.vertrag-card .head-actions {
+  grid-column: 2;
+  grid-row: 1 / span 2;
+  align-self: center;
+}
diff --git a/gerbil-manager-web/src/strings/de.ts b/gerbil-manager-web/src/strings/de.ts
index 6dfed61..0957f33 100644
--- a/gerbil-manager-web/src/strings/de.ts
+++ b/gerbil-manager-web/src/strings/de.ts
@@ -23,6 +23,9 @@ export const de = {
     more: 'Mehr',
     // FEAT-12a (Kevin): Abgabe
     forSale: 'Abgabe',
+    // FEAT-13 (Kelly): Verträge + Einstellungen
+    contracts: 'Verträge',
+    settings: 'Einstellungen',
     openMenu: 'Menü öffnen',
     closeMenu: 'Menü schließen',
     mainNavigation: 'Hauptnavigation',
@@ -366,6 +369,90 @@ export const de = {
       losses: 'Verluste pro Jahr',
       lossesHint: 'Verstorbene Tiere nach Todesjahr.',
     },
+    // ── FEAT-13 (Kelly): Abgabeverträge ──
+    vertraege: {
+      title: 'Abgabeverträge',
+      newButton: 'Neuer Vertrag',
+      empty: 'Noch keine Verträge — erstelle den ersten über „Neuer Vertrag“ oder den Abgabe-Bereich.',
+      countLabel: 'Verträge',
+      download: 'Herunterladen',
+      delete: 'Löschen',
+      confirmDelete:
+        'Vertrag wirklich löschen? Die Word-Datei wird mit entfernt; der Status der Tiere bleibt unverändert.',
+      animalsCount: (n: number) => (n === 1 ? '1 Tier' : `${n} Tiere`),
+      fields: {
+        contact: 'Abnehmer',
+        animals: 'Tiere',
+        price: 'Kaufpreis',
+        handoverDate: 'Übergabedatum',
+        contractDate: 'Vertragsdatum',
+        createdAt: 'Erstellt',
+      },
+      // Assistent (/vertraege/neu)
+      wizard: {
+        title: 'Abgabe abschließen',
+        steps: ['Abnehmer', 'Tiere', 'Preis & Datum', 'Vertrag'],
+        back: 'Zurück',
+        next: 'Weiter',
+        cancel: 'Abbrechen',
+        // Schritt 1
+        pickContact: 'Abnehmer auswählen',
+        searchContact: 'Name suchen …',
+        noContacts: 'Keine Kontakte gefunden.',
+        orCreateNew: 'Oder neuen Kontakt anlegen',
+        createContact: 'Kontakt anlegen und auswählen',
+        contactNameRequired: 'Bitte einen Namen für den Kontakt eingeben.',
+        // Schritt 2
+        pickAnimals: 'Tiere bestätigen',
+        pickAnimalsHint: 'Nur lebende, nicht abgegebene Tiere werden angezeigt.',
+        noAnimals: 'Keine abgebbaren Tiere gefunden.',
+        animalsRequired: 'Bitte mindestens ein Tier auswählen.',
+        // Schritt 3
+        priceLabel: 'Kaufpreis (€)',
+        pricePlaceholder: 'z. B. 72,00',
+        priceInvalid: 'Bitte einen gültigen Preis eingeben (z. B. 72,00).',
+        handoverLabel: 'Übergabedatum',
+        contractDateLabel: 'Vertragsdatum (optional, Standard = Übergabedatum)',
+        // Schritt 4
+        summaryTitle: 'Zusammenfassung',
+        profileIncomplete:
+          'Das Zuchtprofil ist unvollständig — Name, Adresse und Ort erscheinen im Vertrag. Jetzt unter Einstellungen ergänzen?',
+        profileLink: 'Zu den Einstellungen',
+        generate: 'Vertrag erzeugen',
+        generating: 'Vertrag wird erzeugt …',
+        successTitle: 'Vertrag erstellt!',
+        successText:
+          'Die Tiere wurden als „Abgegeben“ markiert (Abnehmer und Abgabedatum gesetzt).',
+        downloadDocx: 'Vertrag herunterladen (.docx)',
+        toList: 'Zur Vertragsliste',
+        anotherOne: 'Weiteren Vertrag erstellen',
+      },
+    },
+    // ── FEAT-13 (Kelly): Einstellungen (Zuchtprofil) ──
+    einstellungen: {
+      title: 'Einstellungen',
+      zuchtprofil: {
+        title: 'Zuchtprofil',
+        intro:
+          'Diese Angaben erscheinen als Verkäufer-Block in jedem Abgabevertrag.',
+        incompleteHint:
+          'Noch unvollständig: Name, Adresse und Ort werden für den Vertrag benötigt.',
+        fields: {
+          zuchtName: 'Zuchtname',
+          name: 'Vor- und Nachname',
+          nameHint: 'Mit Anrede, z. B. „Frau Erika Muster“.',
+          address: 'Adresse',
+          addressHint: 'Straße Nr, PLZ Ort.',
+          phone: 'Telefon',
+          email: 'E-Mail',
+          homepage: 'Homepage',
+          city: 'Ort (Unterschriftszeile)',
+        },
+        save: 'Speichern',
+        saving: 'Speichern …',
+        saved: 'Gespeichert.',
+      },
+    },
     // ── FEAT-2 (Oscar): Kontakte (Contacts — Herkunft/Abnehmer) ──
     kontakte: {
       title: 'Kontakte',
@@ -373,9 +460,13 @@ export const de = {
       empty: 'Keine Kontakte gefunden.',
       countLabel: 'Kontakte',
       searchPlaceholder: 'Name suchen …',
+      // FEAT-13: contactInfo (Freitext) wurde durch strukturierte Felder ersetzt
+      // (DATA-2-Schema: email/phone/address) — gebraucht für den Käufer-Block der Verträge.
       fields: {
         name: 'Name',
-        contactInfo: 'Kontaktdaten',
+        email: 'E-Mail',
+        phone: 'Telefon',
+        address: 'Adresse',
         notes: 'Notizen',
       },
       linked: {
@@ -392,7 +483,7 @@ export const de = {
       form: {
         createTitle: 'Neuen Kontakt anlegen',
         editTitle: 'Kontakt bearbeiten',
-        contactInfoHint: 'Telefon, E-Mail oder Adresse — freies Format.',
+        addressHint: 'Straße Nr, PLZ Ort — so erscheint sie im Abgabevertrag.',
         save: 'Speichern',
         cancel: 'Abbrechen',
         saving: 'Speichern …',