feat(crm): remove Lexware section from ContactDetailPage

Lexware contact linking is not relevant for individual contacts,
only for companies. Removed LexwareSection component and the
two-column topRow grid layout.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/src/crm/contacts/ContactDetailPage.module.css

@@ -110,20 +110,6 @@
   flex-shrink: 0;
 }
 
-/* ---- Top row: Kontaktdaten + Lexware ---- */
-.topRow {
-  display: grid;
-  grid-template-columns: 1fr 260px;
-  gap: 1.5rem;
-  align-items: start;
-  margin-bottom: 1.5rem;
-}
-
-@media (max-width: 960px) {
-  .topRow {
-    grid-template-columns: 1fr;
-  }
-}
 
 /* ---- Card ---- */
 .card {

packages/frontend/src/crm/contacts/ContactDetailPage.tsx

@@ -4,7 +4,6 @@ import { useContact, useDeals, useDeleteContact } from '../hooks';
 import { ContactFormModal } from './ContactFormModal';
 import { ActivityFormModal } from '../activities/ActivityFormModal';
 import { Modal } from '../../components/Modal';
-import { LexwareSection } from '../lexware/LexwareSection';
 import { CustomFieldsDisplay } from '../CustomFieldsDisplay';
 import type { Contact, Activity, ActivityType } from '../types';
 import { CONTACT_SOURCE_LABELS, ENTITY_STATUS_LABELS } from '../types';
@@ -199,8 +198,8 @@ export function ContactDetailPage() {
         </div>
       </div>
 
-      {/* ── Top row: Kontaktdaten (wide) + Lexware (small) ── */}
-      <div className={styles.topRow}>
+      {/* ── Kontaktdaten ── */}
+      <div>
         <div>
           {/* Contact data card */}
           <div className={styles.card}>
@@ -486,16 +485,6 @@ export function ContactDetailPage() {
           )}
 
         </div>
-
-        {/* ── Right: Lexware (compact) ── */}
-        <div>
-          <LexwareSection
-            entityType="contact"
-            entityId={contact.id}
-            lexwareContactId={contact.lexwareContactId ?? null}
-            lexwareSyncedAt={contact.lexwareSyncedAt ?? null}
-          />
-        </div>
       </div>
 
       {/* ── Aktivitäten (full width below) ── */}