diff --git a/frontend/src/features/settings/tabs/ApiTokensTab.tsx b/frontend/src/features/settings/tabs/ApiTokensTab.tsx
index b1151c0b..6ee44fcb 100644
--- a/frontend/src/features/settings/tabs/ApiTokensTab.tsx
+++ b/frontend/src/features/settings/tabs/ApiTokensTab.tsx
@@ -183,7 +183,7 @@ export const ApiTokensTab: React.FC = () => {
                 <tr className="text-left text-neutral-500 dark:text-neutral-400 border-b border-neutral-200 dark:border-neutral-700">
                   <th className="py-2 pr-3">{t('settings.apiTokens.name', 'Name')}</th>
                   <th className="py-2 pr-3">{t('settings.apiTokens.scopes', 'Scopes')}</th>
-                  <th className="py-2 pr-3">Preview</th>
+                  <th className="py-2 pr-3">{t('settings.apiTokens.preview', 'Preview')}</th>
                   <th className="py-2 pr-3">{t('settings.apiTokens.lastUsed', 'Last used')}</th>
                   <th className="py-2 pr-3">{t('settings.apiTokens.created', 'Created')}</th>
                   <th className="py-2 pr-3">{t('settings.apiTokens.status', 'Status')}</th>
@@ -228,7 +228,7 @@ export const ApiTokensTab: React.FC = () => {
                             variant="ghost"
                             leftIcon={<Trash2 className="w-4 h-4" />}
                             onClick={() => {
-                              if (confirm(t('settings.apiTokens.confirmRevoke', `Revoke "${token.name}"? Existing integrations using this token will start getting 401.`))) {
+                              if (confirm(t('settings.apiTokens.confirmRevoke', { name: token.name, defaultValue: `Revoke "${token.name}"? Existing integrations using this token will start getting 401.` }))) {
                                 revokeMutation.mutate(token.id);
                               }
                             }}
diff --git a/frontend/src/features/settings/tabs/WebhooksTab.tsx b/frontend/src/features/settings/tabs/WebhooksTab.tsx
index 3e904028..a31454c8 100644
--- a/frontend/src/features/settings/tabs/WebhooksTab.tsx
+++ b/frontend/src/features/settings/tabs/WebhooksTab.tsx
@@ -67,7 +67,7 @@ export const WebhooksTab: React.FC = () => {
         try {
           parsedFilter = JSON.parse(trimmed);
         } catch {
-          setFilterError('Filter must be valid JSON');
+          setFilterError(t('settings.webhooks.filterError', 'Filter must be valid JSON'));
           throw new Error('Invalid filter JSON');
         }
       }
@@ -89,7 +89,7 @@ export const WebhooksTab: React.FC = () => {
       queryClient.invalidateQueries({ queryKey: ['admin-webhooks'] });
     },
     onError: (err: any) => {
-      toast.error(err?.response?.data?.errors?.[0]?.msg || err?.response?.data?.error || 'Failed to create webhook');
+      toast.error(err?.response?.data?.errors?.[0]?.msg || err?.response?.data?.error || t('settings.webhooks.createError', 'Failed to create webhook'));
     },
   });
 
@@ -97,16 +97,16 @@ export const WebhooksTab: React.FC = () => {
     mutationFn: async ({ id, active }: { id: number; active: boolean }) =>
       api.put(`/admin/webhooks/${id}`, { active }),
     onSuccess: () => queryClient.invalidateQueries({ queryKey: ['admin-webhooks'] }),
-    onError: () => toast.error('Failed to update webhook'),
+    onError: () => toast.error(t('settings.webhooks.updateError', 'Failed to update webhook')),
   });
 
   const deleteMutation = useMutation({
     mutationFn: async (id: number) => api.delete(`/admin/webhooks/${id}`),
     onSuccess: () => {
-      toast.success('Webhook deleted');
+      toast.success(t('settings.webhooks.deletedToast', 'Webhook deleted'));
       queryClient.invalidateQueries({ queryKey: ['admin-webhooks'] });
     },
-    onError: () => toast.error('Failed to delete webhook'),
+    onError: () => toast.error(t('settings.webhooks.deleteError', 'Failed to delete webhook')),
   });
 
   const toggleEvent = (e: WebhookEventType) => {
@@ -165,16 +165,16 @@ export const WebhooksTab: React.FC = () => {
                     onClick={async () => {
                       try {
                         await navigator.clipboard.writeText(justCreatedSecret);
-                        toast.success('Copied');
+                        toast.success(t('settings.webhooks.copied', 'Copied'));
                       } catch {
-                        toast.error('Copy failed');
+                        toast.error(t('settings.webhooks.copyFailed', 'Copy failed'));
                       }
                     }}
                   >
-                    Copy
+                    {t('settings.webhooks.copyButton', 'Copy')}
                   </Button>
                   <Button size="sm" variant="ghost" onClick={() => setJustCreatedSecret(null)}>
-                    Dismiss
+                    {t('settings.webhooks.dismiss', 'Dismiss')}
                   </Button>
                 </div>
               </div>
@@ -188,13 +188,13 @@ export const WebhooksTab: React.FC = () => {
               <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
                 {t('settings.webhooks.name', 'Name')}
               </label>
-              <Input value={name} onChange={(e) => setName(e.target.value)} placeholder="e.g. n8n WhatsApp" />
+              <Input value={name} onChange={(e) => setName(e.target.value)} placeholder={t('settings.webhooks.namePlaceholder', 'e.g. n8n WhatsApp')} />
             </div>
             <div>
               <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
                 {t('settings.webhooks.url', 'Receiver URL')}
               </label>
-              <Input value={url} onChange={(e) => setUrl(e.target.value)} placeholder="https://n8n.example.com/webhook/picpeak" />
+              <Input value={url} onChange={(e) => setUrl(e.target.value)} placeholder={t('settings.webhooks.urlPlaceholder', 'https://n8n.example.com/webhook/picpeak')} />
             </div>
           </div>
 
@@ -222,7 +222,7 @@ export const WebhooksTab: React.FC = () => {
             onClick={() => setShowAdvanced((prev) => !prev)}
             className="text-sm text-primary-600 dark:text-primary-400 hover:underline self-start"
           >
-            {showAdvanced ? '− Hide advanced (filter, template)' : '+ Advanced (filter, template)'}
+            {showAdvanced ? t('settings.webhooks.hideAdvanced', '− Hide advanced (filter, template)') : t('settings.webhooks.showAdvanced', '+ Advanced (filter, template)')}
           </button>
 
           {showAdvanced && (
@@ -239,7 +239,7 @@ export const WebhooksTab: React.FC = () => {
                   className="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-700 dark:bg-neutral-800 rounded text-sm font-mono"
                 />
                 <p className="text-xs text-neutral-500 mt-1">
-                  Dot-path → expected value. All keys must match (AND). Use an array for "any of": <code>{'{"type": ["event.published", "event.archived"]}'}</code>
+                  {t('settings.webhooks.filterHelp', 'Dot-path → expected value. All keys must match (AND). Use an array for "any of".')} <code>{'{"type": ["event.published", "event.archived"]}'}</code>
                 </p>
                 {filterError && <p className="text-xs text-red-600 mt-1">{filterError}</p>}
               </div>
@@ -251,12 +251,12 @@ export const WebhooksTab: React.FC = () => {
                 <textarea
                   value={template}
                   onChange={(e) => setTemplate(e.target.value)}
-                  placeholder={'New gallery: ${data.event.event_name} → ${data.event.share_url}'}
+                  placeholder={t('settings.webhooks.templatePlaceholder', 'New gallery: ${data.event.event_name} → ${data.event.share_url}')}
                   rows={3}
                   className="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-700 dark:bg-neutral-800 rounded text-sm font-mono"
                 />
                 <p className="text-xs text-neutral-500 mt-1">
-                  Replaces the default JSON envelope as the request body. <code>${'{dot.path}'}</code> substitution from the payload only — no logic, no expressions.
+                  {t('settings.webhooks.templateHelp', 'Replaces the default JSON envelope as the request body. ${dot.path} substitution from the payload only — no logic, no expressions.')}
                 </p>
               </div>
             </div>
@@ -282,12 +282,12 @@ export const WebhooksTab: React.FC = () => {
             <table className="w-full text-sm">
               <thead>
                 <tr className="text-left text-neutral-500 dark:text-neutral-400 border-b border-neutral-200 dark:border-neutral-700">
-                  <th className="py-2 pr-3">Name</th>
-                  <th className="py-2 pr-3">URL</th>
-                  <th className="py-2 pr-3">Events</th>
-                  <th className="py-2 pr-3">Last delivery</th>
-                  <th className="py-2 pr-3">Status</th>
-                  <th className="py-2 text-right">Actions</th>
+                  <th className="py-2 pr-3">{t('settings.webhooks.colName', 'Name')}</th>
+                  <th className="py-2 pr-3">{t('settings.webhooks.colUrl', 'URL')}</th>
+                  <th className="py-2 pr-3">{t('settings.webhooks.colEvents', 'Events')}</th>
+                  <th className="py-2 pr-3">{t('settings.webhooks.colLastDelivery', 'Last delivery')}</th>
+                  <th className="py-2 pr-3">{t('settings.webhooks.colStatus', 'Status')}</th>
+                  <th className="py-2 text-right">{t('settings.webhooks.colActions', 'Actions')}</th>
                 </tr>
               </thead>
               <tbody>
@@ -300,7 +300,7 @@ export const WebhooksTab: React.FC = () => {
                       <td className="py-3 pr-3 font-medium">{wh.name}</td>
                       <td className="py-3 pr-3 text-xs font-mono text-neutral-600 dark:text-neutral-400 max-w-xs truncate" title={wh.url}>{wh.url}</td>
                       <td className="py-3 pr-3 text-xs text-neutral-500">
-                        {Array.isArray(wh.events) ? wh.events.length : 0} subscribed
+                        {t('settings.webhooks.eventsSubscribed', { count: Array.isArray(wh.events) ? wh.events.length : 0 })}
                       </td>
                       <td className="py-3 pr-3 text-xs text-neutral-500">
                         {lastEither === 'success' && lastSuccess && (
@@ -325,9 +325,9 @@ export const WebhooksTab: React.FC = () => {
                               ? 'bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-300'
                               : 'bg-neutral-200 dark:bg-neutral-700 text-neutral-600 dark:text-neutral-400'
                           }`}
-                          title={wh.active ? 'Click to disable' : 'Click to enable'}
+                          title={wh.active ? t('settings.webhooks.toggleToDisable', 'Click to disable') : t('settings.webhooks.toggleToEnable', 'Click to enable')}
                         >
-                          {wh.active ? 'Active' : 'Disabled'}
+                          {wh.active ? t('settings.webhooks.statusActive', 'Active') : t('settings.webhooks.statusDisabled', 'Disabled')}
                         </button>
                       </td>
                       <td className="py-3 text-right">
@@ -337,19 +337,19 @@ export const WebhooksTab: React.FC = () => {
                             className="inline-flex items-center gap-1 px-2 py-1 text-xs text-neutral-600 dark:text-neutral-400 hover:text-neutral-900 dark:hover:text-neutral-100"
                           >
                             <Activity className="w-3.5 h-3.5" />
-                            Deliveries
+                            {t('settings.webhooks.deliveriesLink', 'Deliveries')}
                           </Link>
                           <Button
                             size="sm"
                             variant="ghost"
                             leftIcon={<Trash2 className="w-4 h-4" />}
                             onClick={() => {
-                              if (confirm(`Delete "${wh.name}"? Pending deliveries are also removed.`)) {
+                              if (confirm(t('settings.webhooks.confirmDelete', { name: wh.name, defaultValue: `Delete "${wh.name}"? Pending deliveries are also removed.` }))) {
                                 deleteMutation.mutate(wh.id);
                               }
                             }}
                           >
-                            Delete
+                            {t('settings.webhooks.delete', 'Delete')}
                           </Button>
                         </div>
                       </td>
diff --git a/frontend/src/i18n/locales/de.json b/frontend/src/i18n/locales/de.json
index 4e87802a..4bcf8b7f 100644
--- a/frontend/src/i18n/locales/de.json
+++ b/frontend/src/i18n/locales/de.json
@@ -1312,7 +1312,9 @@
       "showGalleryFilterBar": "Filterleiste in Galerien anzeigen",
       "showGalleryFilterBarHelp": "Dateiname-Suche und Sortiersteuerungen über Raster-Galerien anzeigen. Deaktivieren für ein übersichtlicheres Layout.",
       "enablePhoneField": "Telefonnummer-Feld aktivieren",
-      "enablePhoneFieldHelp": "Fügt ein optionales Telefonnummer-Eingabefeld zum Veranstaltungsformular hinzu. Nützlich für Folgeautomatisierungen wie WhatsApp-Zustellung via n8n. Immer optional, auch wenn aktiviert."
+      "enablePhoneFieldHelp": "Fügt ein optionales Telefonnummer-Eingabefeld zum Veranstaltungsformular hinzu. Nützlich für Folgeautomatisierungen wie WhatsApp-Zustellung via n8n. Immer optional, auch wenn aktiviert.",
+      "defaultFeedbackEnabled": "Gäste-Feedback standardmäßig aktivieren",
+      "defaultFeedbackEnabledHelp": "Vorbelegt \"Gäste-Feedback\" beim Erstellen neuer Events. Einzelne Feedback-Optionen (Likes, Bewertungen, Kommentare) bleiben pro Event anpassbar."
     },
     "imageSecurity": {
       "title": "Bildschutz",
@@ -1560,9 +1562,10 @@
       "statusRevoked": "Widerrufen",
       "statusExpired": "Abgelaufen",
       "statusActive": "Aktiv",
-      "confirmRevoke": "Diesen Token wirklich widerrufen?",
+      "confirmRevoke": "\"{{name}}\" widerrufen? Bestehende Integrationen, die dieses Token nutzen, erhalten ab sofort 401.",
       "revoke": "Widerrufen",
-      "empty": "Noch keine Tokens. Generieren Sie oben einen, um zu beginnen."
+      "empty": "Noch keine Tokens. Generieren Sie oben einen, um zu beginnen.",
+      "preview": "Vorschau"
     },
     "webhooks": {
       "title": "Webhooks",
@@ -1576,7 +1579,38 @@
       "template": "Vorlage (optional)",
       "create": "Webhook erstellen",
       "existing": "Vorhandene Webhooks",
-      "empty": "Noch keine Webhooks. Erstellen Sie oben einen, um Ereignisbenachrichtigungen zu erhalten."
+      "empty": "Noch keine Webhooks. Erstellen Sie oben einen, um Ereignisbenachrichtigungen zu erhalten.",
+      "namePlaceholder": "z. B. n8n WhatsApp",
+      "urlPlaceholder": "https://n8n.example.com/webhook/picpeak",
+      "showAdvanced": "+ Erweitert (Filter, Vorlage)",
+      "hideAdvanced": "− Erweitert ausblenden (Filter, Vorlage)",
+      "filterHelp": "Dot-Pfad → erwarteter Wert. Alle Schlüssel müssen übereinstimmen (AND). Array für \"eines aus\".",
+      "filterError": "Filter muss gültiges JSON sein",
+      "templatePlaceholder": "Neue Galerie: ${data.event.event_name} → ${data.event.share_url}",
+      "templateHelp": "Ersetzt den Standard-JSON-Umschlag als Request-Body. Nur ${dot.path}-Substitution aus der Payload — keine Logik, keine Ausdrücke.",
+      "copyButton": "Kopieren",
+      "dismiss": "Schließen",
+      "copied": "Kopiert",
+      "copyFailed": "Kopieren fehlgeschlagen",
+      "colName": "Name",
+      "colUrl": "URL",
+      "colEvents": "Events",
+      "colLastDelivery": "Letzte Zustellung",
+      "colStatus": "Status",
+      "colActions": "Aktionen",
+      "eventsSubscribed_one": "{{count}} abonniert",
+      "eventsSubscribed_other": "{{count}} abonniert",
+      "statusActive": "Aktiv",
+      "statusDisabled": "Deaktiviert",
+      "toggleToDisable": "Klicken zum Deaktivieren",
+      "toggleToEnable": "Klicken zum Aktivieren",
+      "deliveriesLink": "Zustellungen",
+      "delete": "Löschen",
+      "confirmDelete": "\"{{name}}\" löschen? Ausstehende Zustellungen werden ebenfalls entfernt.",
+      "createError": "Webhook konnte nicht erstellt werden",
+      "updateError": "Webhook konnte nicht aktualisiert werden",
+      "deletedToast": "Webhook gelöscht",
+      "deleteError": "Webhook konnte nicht gelöscht werden"
     },
     "sectionLabel": "Einstellungsbereich",
     "navAriaLabel": "Einstellungsnavigation",
@@ -2180,7 +2214,72 @@
       "categoryHeroUpdated": "Kategorie-Titelbild aktualisiert",
       "publicSiteResetToDefault": "Öffentliche Seite auf Standard zurückgesetzt",
       "cmsPageLogoUploaded": "CMS-Seiten-Logo hochgeladen: {{slug}}",
-      "adminPasswordResetByAdmin": "Admin-Passwort durch anderen Admin zurückgesetzt: {{username}}"
+      "adminPasswordResetByAdmin": "Admin-Passwort durch anderen Admin zurückgesetzt: {{username}}",
+      "contractCreated": "Vertrag erstellt: {{contractNumber}}",
+      "contractCreatedFromQuote": "Vertrag aus Angebot erstellt: {{contractNumber}}",
+      "contractUpdated": "Vertrag aktualisiert: {{contractNumber}}",
+      "contractSent": "Vertrag gesendet: {{contractNumber}}",
+      "contractResentSigned": "Unterschriebener Vertrag erneut gesendet: {{contractNumber}}",
+      "contractSignedByCustomer": "Vertrag vom Kunden unterschrieben: {{contractNumber}}",
+      "contractSignedPdfUploaded": "Unterschriebenes Vertrag-PDF hochgeladen: {{contractNumber}}",
+      "contractSignaturesRestamped": "Vertragsunterschriften neu gestempelt: {{contractNumber}}",
+      "contractCancelled": "Vertrag storniert: {{contractNumber}}",
+      "contractConvertedToEvent": "Vertrag in Event umgewandelt: {{contractNumber}}",
+      "contractConvertedToEmptyEvent": "Vertrag in leeres Event umgewandelt: {{contractNumber}}",
+      "contractConvertedToInvoices": "Vertrag in Rechnungen umgewandelt: {{contractNumber}}",
+      "contractConvertedToEmptyInvoice": "Vertrag in leere Rechnung umgewandelt: {{contractNumber}}",
+      "quoteCreated": "Angebot erstellt: {{quoteNumber}}",
+      "quoteSent": "Angebot gesendet: {{quoteNumber}}",
+      "quoteUpdated": "Angebot aktualisiert: {{quoteNumber}}",
+      "quoteAcceptedByAdmin": "Angebot angenommen: {{quoteNumber}}",
+      "quoteDeclinedByAdmin": "Angebot abgelehnt: {{quoteNumber}}",
+      "quoteConverted": "Angebot umgewandelt: {{quoteNumber}}",
+      "quoteConvertedInvoicesOnly": "Angebot in Rechnungen umgewandelt: {{quoteNumber}}",
+      "invoiceCreated": "Rechnung erstellt: {{invoiceNumber}}",
+      "invoiceSent": "Rechnung gesendet: {{invoiceNumber}}",
+      "invoiceScheduled": "Rechnung geplant: {{invoiceNumber}}",
+      "invoiceCancelled": "Rechnung storniert: {{invoiceNumber}}",
+      "invoiceCancelledViaStorno": "Rechnung per Storno storniert: {{invoiceNumber}}",
+      "invoiceReissued": "Rechnung neu ausgestellt: {{invoiceNumber}}",
+      "invoicePaidAdminNotified": "Rechnung als bezahlt markiert: {{invoiceNumber}}",
+      "invoicePaymentCheckRecorded": "Zahlungsprüfung erfasst für Rechnung: {{invoiceNumber}}",
+      "invoicePaymentCheckSent": "Zahlungsprüfung gesendet für Rechnung: {{invoiceNumber}}",
+      "invoiceReleasedForDelivery": "Rechnung zur Lieferung freigegeben: {{invoiceNumber}}",
+      "invoiceReminderSent": "Rechnungserinnerung gesendet: {{invoiceNumber}}",
+      "stornoSent": "Storno gesendet: {{invoiceNumber}}",
+      "monthlyBillIssued": "Monatsrechnung für Kunden ausgestellt",
+      "monthlyBillSkippedEmpty": "Monatsrechnung übersprungen (keine Einträge)",
+      "monthlyBillTriggeredManually": "Monatsrechnung manuell ausgelöst",
+      "monthlyBillingItemsQueued": "Monatsabrechnungsposten in Warteschlange",
+      "installmentPlanUpdated": "Ratenplan aktualisiert",
+      "expenseCreated": "Ausgabe erstellt",
+      "expenseUpdated": "Ausgabe aktualisiert",
+      "expensePaid": "Ausgabe als bezahlt markiert",
+      "expenseInvoiced": "Ausgabe in Rechnung gestellt",
+      "hourEntryLogged": "Stundeneintrag erfasst",
+      "hourEntryUpdated": "Stundeneintrag aktualisiert",
+      "hourEntryDeleted": "Stundeneintrag gelöscht",
+      "hourEntryLoggedToMonthlyDraft": "Stundeneintrag in Monatsentwurf erfasst",
+      "hourEntriesBilled": "Stundeneinträge an Kunden abgerechnet",
+      "incomingInvoiceCaptured": "Eingangsrechnung erfasst",
+      "incomingInvoiceCategorized": "Eingangsrechnung kategorisiert",
+      "incomingInvoiceUpdated": "Eingangsrechnung aktualisiert",
+      "incomingInvoiceRebilled": "Eingangsrechnung an Kunden weiterverrechnet",
+      "incomingInvoiceSupplierPayment": "Lieferantenzahlung erfasst",
+      "incomingMailConfigUpdated": "Eingangs-Mail-Konfiguration aktualisiert",
+      "customerCreatedPassive": "Passiver Kunde erstellt: {{email}}",
+      "adminUserActivated": "Admin-Konto aktiviert: {{username}}",
+      "adminUserDeleted": "Admin-Konto gelöscht: {{username}}",
+      "adminPasswordReset": "Admin-Passwort zurückgesetzt: {{username}}",
+      "bulkArchiveCompleted": "Massen-Archivierung abgeschlossen: {{count}} Events archiviert",
+      "emailQueueFlushed": "E-Mail-Warteschlange geleert",
+      "emailResent": "Erstellungs-E-Mail erneut gesendet für {{eventName}}",
+      "emailTemplateCreated": "E-Mail-Vorlage erstellt: {{template_key}}",
+      "eventDuplicated": "Event dupliziert aus {{source_event_name}}",
+      "feedbackDeleted": "Feedback gelöscht",
+      "feedbackModerated": "Feedback moderiert",
+      "feedbackSettingsUpdated": "Feedback-Einstellungen aktualisiert für {{eventName}}",
+      "wordFilterAdded": "Wortfilter hinzugefügt: {{word}}"
     },
     "notificationToasts": {
       "markedAllRead": "Alle Benachrichtigungen als gelesen markiert",
@@ -2375,7 +2474,65 @@
       "photo_uploaded": "Foto hochgeladen in {{eventName}}",
       "category_hero_updated": "Kategorie-Titelbild aktualisiert",
       "public_site_reset_to_default": "Öffentliche Seite auf Standard zurückgesetzt",
-      "cms_page_logo_uploaded": "CMS-Seiten-Logo hochgeladen: {{slug}}"
+      "cms_page_logo_uploaded": "CMS-Seiten-Logo hochgeladen: {{slug}}",
+      "contract_created": "Vertrag erstellt: {{contractNumber}}",
+      "contract_created_from_quote": "Vertrag aus Angebot erstellt: {{contractNumber}}",
+      "contract_updated": "Vertrag aktualisiert: {{contractNumber}}",
+      "contract_sent": "Vertrag gesendet: {{contractNumber}}",
+      "contract_resent_signed": "Unterschriebener Vertrag erneut gesendet: {{contractNumber}}",
+      "contract_signed_by_customer": "Vertrag vom Kunden unterschrieben: {{contractNumber}}",
+      "contract_signed_pdf_uploaded": "Unterschriebenes Vertrag-PDF hochgeladen: {{contractNumber}}",
+      "contract_signatures_restamped": "Vertragsunterschriften neu gestempelt: {{contractNumber}}",
+      "contract_cancelled": "Vertrag storniert: {{contractNumber}}",
+      "contract_converted_to_event": "Vertrag in Event umgewandelt: {{contractNumber}}",
+      "contract_converted_to_empty_event": "Vertrag in leeres Event umgewandelt: {{contractNumber}}",
+      "contract_converted_to_invoices": "Vertrag in Rechnungen umgewandelt: {{contractNumber}}",
+      "contract_converted_to_empty_invoice": "Vertrag in leere Rechnung umgewandelt: {{contractNumber}}",
+      "quote_created": "Angebot erstellt: {{quoteNumber}}",
+      "quote_sent": "Angebot gesendet: {{quoteNumber}}",
+      "quote_updated": "Angebot aktualisiert: {{quoteNumber}}",
+      "quote_accepted_by_admin": "Angebot angenommen: {{quoteNumber}}",
+      "quote_declined_by_admin": "Angebot abgelehnt: {{quoteNumber}}",
+      "quote_converted": "Angebot umgewandelt: {{quoteNumber}}",
+      "quote_converted_invoices_only": "Angebot in Rechnungen umgewandelt: {{quoteNumber}}",
+      "invoice_created": "Rechnung erstellt: {{invoiceNumber}}",
+      "invoice_sent": "Rechnung gesendet: {{invoiceNumber}}",
+      "invoice_scheduled": "Rechnung geplant: {{invoiceNumber}}",
+      "invoice_cancelled": "Rechnung storniert: {{invoiceNumber}}",
+      "invoice_cancelled_via_storno": "Rechnung per Storno storniert: {{invoiceNumber}}",
+      "invoice_reissued": "Rechnung neu ausgestellt: {{invoiceNumber}}",
+      "invoice_paid_admin_notified": "Rechnung als bezahlt markiert: {{invoiceNumber}}",
+      "invoice_payment_check_recorded": "Zahlungsprüfung erfasst für Rechnung: {{invoiceNumber}}",
+      "invoice_payment_check_sent": "Zahlungsprüfung gesendet für Rechnung: {{invoiceNumber}}",
+      "invoice_released_for_delivery": "Rechnung zur Lieferung freigegeben: {{invoiceNumber}}",
+      "invoice_reminder_sent": "Rechnungserinnerung gesendet: {{invoiceNumber}}",
+      "storno_sent": "Storno gesendet: {{invoiceNumber}}",
+      "monthly_bill_issued": "Monatsrechnung für Kunden ausgestellt",
+      "monthly_bill_skipped_empty": "Monatsrechnung übersprungen (keine Einträge)",
+      "monthly_bill_triggered_manually": "Monatsrechnung manuell ausgelöst",
+      "monthly_billing_items_queued": "Monatsabrechnungsposten in Warteschlange",
+      "installment_plan_updated": "Ratenplan aktualisiert",
+      "expense_created": "Ausgabe erstellt",
+      "expense_updated": "Ausgabe aktualisiert",
+      "expense_paid": "Ausgabe als bezahlt markiert",
+      "expense_invoiced": "Ausgabe in Rechnung gestellt",
+      "hour_entry_logged": "Stundeneintrag erfasst",
+      "hour_entry_updated": "Stundeneintrag aktualisiert",
+      "hour_entry_deleted": "Stundeneintrag gelöscht",
+      "hour_entry_logged_to_monthly_draft": "Stundeneintrag in Monatsentwurf erfasst",
+      "hour_entries_billed": "Stundeneinträge an Kunden abgerechnet",
+      "incoming_invoice_captured": "Eingangsrechnung erfasst",
+      "incoming_invoice_categorized": "Eingangsrechnung kategorisiert",
+      "incoming_invoice_updated": "Eingangsrechnung aktualisiert",
+      "incoming_invoice_rebilled": "Eingangsrechnung an Kunden weiterverrechnet",
+      "incoming_invoice_supplier_payment": "Lieferantenzahlung erfasst",
+      "incoming_mail_config_updated": "Eingangs-Mail-Konfiguration aktualisiert",
+      "customer_created_passive": "Passiver Kunde erstellt: {{email}}",
+      "admin_user_activated": "Admin-Konto aktiviert: {{username}}",
+      "admin_user_deleted": "Admin-Konto gelöscht: {{username}}",
+      "email_queue_flushed": "E-Mail-Warteschlange geleert",
+      "email_template_created": "E-Mail-Vorlage erstellt: {{template_key}}",
+      "event_duplicated": "Event dupliziert aus {{source_event_name}}"
     }
   },
   "acceptInvitation": {
@@ -3956,10 +4113,15 @@
     "settingsSaved": "Zuordnungen gespeichert.",
     "saveDefaults": "Zuordnungen speichern",
     "accountType": {
-      "asset": "Aktiven", "liability": "Passiven", "equity": "Eigenkapital", "revenue": "Ertrag", "expense": "Aufwand"
+      "asset": "Aktiven",
+      "liability": "Passiven",
+      "equity": "Eigenkapital",
+      "revenue": "Ertrag",
+      "expense": "Aufwand"
     },
     "vatDirection": {
-      "input": "Vorsteuer", "output": "Umsatzsteuer"
+      "input": "Vorsteuer",
+      "output": "Umsatzsteuer"
     },
     "defaults": {
       "title": "Standard- & Systemkonten",
@@ -3974,20 +4136,40 @@
       "ledger_account_per_diem": "Spesenpauschalen-Konto",
       "ledger_account_rebilled_revenue": "Weiterverrechnete Spesen (Ertrag)"
     },
-    "vatMap": { "title": "MWST-Code nach steuerlicher Behandlung (Kosten)" },
-    "outputVatMap": { "title": "MWST-Code nach Umsatzsatz", "empty": "Fügen Sie oben Ausgangs-MWST-Codes hinzu, um pro Umsatzsatz einen Code festzulegen." },
-    "categoryMap": { "title": "Aufwandkategorie → Konto" },
-    "accounts": { "title": "Kontenplan" },
-    "vatCodes": { "title": "MWST-Codes" },
+    "vatMap": {
+      "title": "MWST-Code nach steuerlicher Behandlung (Kosten)"
+    },
+    "outputVatMap": {
+      "title": "MWST-Code nach Umsatzsatz",
+      "empty": "Fügen Sie oben Ausgangs-MWST-Codes hinzu, um pro Umsatzsatz einen Code festzulegen."
+    },
+    "categoryMap": {
+      "title": "Aufwandkategorie → Konto"
+    },
+    "accounts": {
+      "title": "Kontenplan"
+    },
+    "vatCodes": {
+      "title": "MWST-Codes"
+    },
     "account": {
-      "addTitle": "Konto hinzufügen", "editTitle": "Konto bearbeiten",
-      "number": "Kontonummer", "name": "Name", "type": "Art",
+      "addTitle": "Konto hinzufügen",
+      "editTitle": "Konto bearbeiten",
+      "number": "Kontonummer",
+      "name": "Name",
+      "type": "Art",
       "confirmDelete": "Dieses Konto löschen?"
     },
     "vat": {
-      "addTitle": "MWST-Code hinzufügen", "editTitle": "MWST-Code bearbeiten",
-      "code": "Code", "name": "Name", "rate": "Satz %", "direction": "Richtung",
-      "account": "MWST-Konto", "noAccount": "— keines —", "confirmDelete": "Diesen MWST-Code löschen?",
+      "addTitle": "MWST-Code hinzufügen",
+      "editTitle": "MWST-Code bearbeiten",
+      "code": "Code",
+      "name": "Name",
+      "rate": "Satz %",
+      "direction": "Richtung",
+      "account": "MWST-Konto",
+      "noAccount": "— keines —",
+      "confirmDelete": "Diesen MWST-Code löschen?",
       "legacyRate": "{{rate}}% (nicht konfiguriert)"
     },
     "export": {
diff --git a/frontend/src/i18n/locales/en.json b/frontend/src/i18n/locales/en.json
index bc48cadc..2de7a660 100644
--- a/frontend/src/i18n/locales/en.json
+++ b/frontend/src/i18n/locales/en.json
@@ -933,7 +933,9 @@
       "showGalleryFilterBar": "Show filter bar in galleries",
       "showGalleryFilterBarHelp": "Display the search-by-filename and sort controls above grid-layout galleries. Disable for a cleaner layout.",
       "enablePhoneField": "Enable phone number field",
-      "enablePhoneFieldHelp": "Adds an optional phone number input to the event form. Useful for downstream automations like WhatsApp delivery via n8n. Always optional even when enabled."
+      "enablePhoneFieldHelp": "Adds an optional phone number input to the event form. Useful for downstream automations like WhatsApp delivery via n8n. Always optional even when enabled.",
+      "defaultFeedbackEnabled": "Enable Guest Feedback by default",
+      "defaultFeedbackEnabledHelp": "Pre-check \"Guest Feedback\" when creating new events. Individual feedback options (likes, ratings, comments) can still be customised per event."
     },
     "imageSecurity": {
       "title": "Image Protection",
@@ -1118,9 +1120,10 @@
       "statusRevoked": "Revoked",
       "statusExpired": "Expired",
       "statusActive": "Active",
-      "confirmRevoke": "Do you want to revoke this token? This action cannot be undone.",
+      "confirmRevoke": "Revoke \"{{name}}\"? Existing integrations using this token will start getting 401.",
       "revoke": "Revoke",
-      "empty": "No tokens yet. Generate one above to get started."
+      "empty": "No tokens yet. Generate one above to get started.",
+      "preview": "Preview"
     },
     "webhooks": {
       "title": "Webhooks",
@@ -1134,7 +1137,38 @@
       "template": "Template (optional)",
       "create": "Create Webhook",
       "existing": "Existing webhooks",
-      "empty": "No webhooks yet. Create one above to start receiving event notifications."
+      "empty": "No webhooks yet. Create one above to start receiving event notifications.",
+      "namePlaceholder": "e.g. n8n WhatsApp",
+      "urlPlaceholder": "https://n8n.example.com/webhook/picpeak",
+      "showAdvanced": "+ Advanced (filter, template)",
+      "hideAdvanced": "− Hide advanced (filter, template)",
+      "filterHelp": "Dot-path → expected value. All keys must match (AND). Use an array for \"any of\".",
+      "filterError": "Filter must be valid JSON",
+      "templatePlaceholder": "New gallery: ${data.event.event_name} → ${data.event.share_url}",
+      "templateHelp": "Replaces the default JSON envelope as the request body. ${dot.path} substitution from the payload only — no logic, no expressions.",
+      "copyButton": "Copy",
+      "dismiss": "Dismiss",
+      "copied": "Copied",
+      "copyFailed": "Copy failed",
+      "colName": "Name",
+      "colUrl": "URL",
+      "colEvents": "Events",
+      "colLastDelivery": "Last delivery",
+      "colStatus": "Status",
+      "colActions": "Actions",
+      "eventsSubscribed_one": "{{count}} subscribed",
+      "eventsSubscribed_other": "{{count}} subscribed",
+      "statusActive": "Active",
+      "statusDisabled": "Disabled",
+      "toggleToDisable": "Click to disable",
+      "toggleToEnable": "Click to enable",
+      "deliveriesLink": "Deliveries",
+      "delete": "Delete",
+      "confirmDelete": "Delete \"{{name}}\"? Pending deliveries are also removed.",
+      "createError": "Failed to create webhook",
+      "updateError": "Failed to update webhook",
+      "deletedToast": "Webhook deleted",
+      "deleteError": "Failed to delete webhook"
     },
     "sectionLabel": "Settings section",
     "navAriaLabel": "Settings navigation",
@@ -1767,7 +1801,72 @@
       "categoryHeroUpdated": "Category hero photo updated",
       "publicSiteResetToDefault": "Public site reset to default",
       "cmsPageLogoUploaded": "CMS page logo uploaded: {{slug}}",
-      "adminPasswordResetByAdmin": "Admin password reset by another admin: {{username}}"
+      "adminPasswordResetByAdmin": "Admin password reset by another admin: {{username}}",
+      "contractCreated": "Contract created: {{contractNumber}}",
+      "contractCreatedFromQuote": "Contract created from quote: {{contractNumber}}",
+      "contractUpdated": "Contract updated: {{contractNumber}}",
+      "contractSent": "Contract sent: {{contractNumber}}",
+      "contractResentSigned": "Signed contract resent: {{contractNumber}}",
+      "contractSignedByCustomer": "Contract signed by customer: {{contractNumber}}",
+      "contractSignedPdfUploaded": "Signed contract PDF uploaded: {{contractNumber}}",
+      "contractSignaturesRestamped": "Contract signatures re-stamped: {{contractNumber}}",
+      "contractCancelled": "Contract cancelled: {{contractNumber}}",
+      "contractConvertedToEvent": "Contract converted to event: {{contractNumber}}",
+      "contractConvertedToEmptyEvent": "Contract converted to empty event: {{contractNumber}}",
+      "contractConvertedToInvoices": "Contract converted to invoices: {{contractNumber}}",
+      "contractConvertedToEmptyInvoice": "Contract converted to empty invoice: {{contractNumber}}",
+      "quoteCreated": "Quote created: {{quoteNumber}}",
+      "quoteSent": "Quote sent: {{quoteNumber}}",
+      "quoteUpdated": "Quote updated: {{quoteNumber}}",
+      "quoteAcceptedByAdmin": "Quote accepted: {{quoteNumber}}",
+      "quoteDeclinedByAdmin": "Quote declined: {{quoteNumber}}",
+      "quoteConverted": "Quote converted: {{quoteNumber}}",
+      "quoteConvertedInvoicesOnly": "Quote converted to invoices: {{quoteNumber}}",
+      "invoiceCreated": "Invoice created: {{invoiceNumber}}",
+      "invoiceSent": "Invoice sent: {{invoiceNumber}}",
+      "invoiceScheduled": "Invoice scheduled: {{invoiceNumber}}",
+      "invoiceCancelled": "Invoice cancelled: {{invoiceNumber}}",
+      "invoiceCancelledViaStorno": "Invoice cancelled via Storno: {{invoiceNumber}}",
+      "invoiceReissued": "Invoice reissued: {{invoiceNumber}}",
+      "invoicePaidAdminNotified": "Invoice marked paid: {{invoiceNumber}}",
+      "invoicePaymentCheckRecorded": "Payment-check recorded for invoice: {{invoiceNumber}}",
+      "invoicePaymentCheckSent": "Payment-check sent for invoice: {{invoiceNumber}}",
+      "invoiceReleasedForDelivery": "Invoice released for delivery: {{invoiceNumber}}",
+      "invoiceReminderSent": "Invoice reminder sent: {{invoiceNumber}}",
+      "stornoSent": "Storno sent: {{invoiceNumber}}",
+      "monthlyBillIssued": "Monthly bill issued for customer",
+      "monthlyBillSkippedEmpty": "Monthly bill skipped (no entries)",
+      "monthlyBillTriggeredManually": "Monthly bill triggered manually",
+      "monthlyBillingItemsQueued": "Monthly billing items queued",
+      "installmentPlanUpdated": "Installment plan updated",
+      "expenseCreated": "Expense created",
+      "expenseUpdated": "Expense updated",
+      "expensePaid": "Expense marked paid",
+      "expenseInvoiced": "Expense invoiced",
+      "hourEntryLogged": "Hour entry logged",
+      "hourEntryUpdated": "Hour entry updated",
+      "hourEntryDeleted": "Hour entry deleted",
+      "hourEntryLoggedToMonthlyDraft": "Hour entry logged to monthly draft",
+      "hourEntriesBilled": "Hour entries billed to customer",
+      "incomingInvoiceCaptured": "Incoming invoice captured",
+      "incomingInvoiceCategorized": "Incoming invoice categorised",
+      "incomingInvoiceUpdated": "Incoming invoice updated",
+      "incomingInvoiceRebilled": "Incoming invoice re-billed to customer",
+      "incomingInvoiceSupplierPayment": "Supplier payment recorded",
+      "incomingMailConfigUpdated": "Incoming mail configuration updated",
+      "customerCreatedPassive": "Passive customer created: {{email}}",
+      "adminUserActivated": "Admin user activated: {{username}}",
+      "adminUserDeleted": "Admin user deleted: {{username}}",
+      "adminPasswordReset": "Admin password reset: {{username}}",
+      "bulkArchiveCompleted": "Bulk archive completed: {{count}} events archived",
+      "emailQueueFlushed": "Email queue flushed",
+      "emailResent": "Creation email resent for {{eventName}}",
+      "emailTemplateCreated": "Email template created: {{template_key}}",
+      "eventDuplicated": "Event duplicated from {{source_event_name}}",
+      "feedbackDeleted": "Feedback deleted",
+      "feedbackModerated": "Feedback moderated",
+      "feedbackSettingsUpdated": "Feedback settings updated for {{eventName}}",
+      "wordFilterAdded": "Word filter added: {{word}}"
     },
     "notificationToasts": {
       "markedAllRead": "All notifications marked as read",
@@ -1964,7 +2063,65 @@
       "photo_uploaded": "Photo uploaded to {{eventName}}",
       "category_hero_updated": "Category hero photo updated",
       "public_site_reset_to_default": "Public site reset to default",
-      "cms_page_logo_uploaded": "CMS page logo uploaded: {{slug}}"
+      "cms_page_logo_uploaded": "CMS page logo uploaded: {{slug}}",
+      "contract_created": "Contract created: {{contractNumber}}",
+      "contract_created_from_quote": "Contract created from quote: {{contractNumber}}",
+      "contract_updated": "Contract updated: {{contractNumber}}",
+      "contract_sent": "Contract sent: {{contractNumber}}",
+      "contract_resent_signed": "Signed contract resent: {{contractNumber}}",
+      "contract_signed_by_customer": "Contract signed by customer: {{contractNumber}}",
+      "contract_signed_pdf_uploaded": "Signed contract PDF uploaded: {{contractNumber}}",
+      "contract_signatures_restamped": "Contract signatures re-stamped: {{contractNumber}}",
+      "contract_cancelled": "Contract cancelled: {{contractNumber}}",
+      "contract_converted_to_event": "Contract converted to event: {{contractNumber}}",
+      "contract_converted_to_empty_event": "Contract converted to empty event: {{contractNumber}}",
+      "contract_converted_to_invoices": "Contract converted to invoices: {{contractNumber}}",
+      "contract_converted_to_empty_invoice": "Contract converted to empty invoice: {{contractNumber}}",
+      "quote_created": "Quote created: {{quoteNumber}}",
+      "quote_sent": "Quote sent: {{quoteNumber}}",
+      "quote_updated": "Quote updated: {{quoteNumber}}",
+      "quote_accepted_by_admin": "Quote accepted: {{quoteNumber}}",
+      "quote_declined_by_admin": "Quote declined: {{quoteNumber}}",
+      "quote_converted": "Quote converted: {{quoteNumber}}",
+      "quote_converted_invoices_only": "Quote converted to invoices: {{quoteNumber}}",
+      "invoice_created": "Invoice created: {{invoiceNumber}}",
+      "invoice_sent": "Invoice sent: {{invoiceNumber}}",
+      "invoice_scheduled": "Invoice scheduled: {{invoiceNumber}}",
+      "invoice_cancelled": "Invoice cancelled: {{invoiceNumber}}",
+      "invoice_cancelled_via_storno": "Invoice cancelled via Storno: {{invoiceNumber}}",
+      "invoice_reissued": "Invoice reissued: {{invoiceNumber}}",
+      "invoice_paid_admin_notified": "Invoice marked paid: {{invoiceNumber}}",
+      "invoice_payment_check_recorded": "Payment-check recorded for invoice: {{invoiceNumber}}",
+      "invoice_payment_check_sent": "Payment-check sent for invoice: {{invoiceNumber}}",
+      "invoice_released_for_delivery": "Invoice released for delivery: {{invoiceNumber}}",
+      "invoice_reminder_sent": "Invoice reminder sent: {{invoiceNumber}}",
+      "storno_sent": "Storno sent: {{invoiceNumber}}",
+      "monthly_bill_issued": "Monthly bill issued for customer",
+      "monthly_bill_skipped_empty": "Monthly bill skipped (no entries)",
+      "monthly_bill_triggered_manually": "Monthly bill triggered manually",
+      "monthly_billing_items_queued": "Monthly billing items queued",
+      "installment_plan_updated": "Installment plan updated",
+      "expense_created": "Expense created",
+      "expense_updated": "Expense updated",
+      "expense_paid": "Expense marked paid",
+      "expense_invoiced": "Expense invoiced",
+      "hour_entry_logged": "Hour entry logged",
+      "hour_entry_updated": "Hour entry updated",
+      "hour_entry_deleted": "Hour entry deleted",
+      "hour_entry_logged_to_monthly_draft": "Hour entry logged to monthly draft",
+      "hour_entries_billed": "Hour entries billed to customer",
+      "incoming_invoice_captured": "Incoming invoice captured",
+      "incoming_invoice_categorized": "Incoming invoice categorised",
+      "incoming_invoice_updated": "Incoming invoice updated",
+      "incoming_invoice_rebilled": "Incoming invoice re-billed to customer",
+      "incoming_invoice_supplier_payment": "Supplier payment recorded",
+      "incoming_mail_config_updated": "Incoming mail configuration updated",
+      "customer_created_passive": "Passive customer created: {{email}}",
+      "admin_user_activated": "Admin user activated: {{username}}",
+      "admin_user_deleted": "Admin user deleted: {{username}}",
+      "email_queue_flushed": "Email queue flushed",
+      "email_template_created": "Email template created: {{template_key}}",
+      "event_duplicated": "Event duplicated from {{source_event_name}}"
     }
   },
   "acceptInvitation": {
@@ -3956,10 +4113,15 @@
     "settingsSaved": "Mappings saved.",
     "saveDefaults": "Save mappings",
     "accountType": {
-      "asset": "Asset", "liability": "Liability", "equity": "Equity", "revenue": "Revenue", "expense": "Expense"
+      "asset": "Asset",
+      "liability": "Liability",
+      "equity": "Equity",
+      "revenue": "Revenue",
+      "expense": "Expense"
     },
     "vatDirection": {
-      "input": "Input (Vorsteuer)", "output": "Output (Umsatzsteuer)"
+      "input": "Input (Vorsteuer)",
+      "output": "Output (Umsatzsteuer)"
     },
     "defaults": {
       "title": "Default & system accounts",
@@ -3974,20 +4136,40 @@
       "ledger_account_per_diem": "Per-diem account",
       "ledger_account_rebilled_revenue": "Re-billed expenses (revenue)"
     },
-    "vatMap": { "title": "VAT code by tax treatment (costs)" },
-    "outputVatMap": { "title": "VAT code by revenue rate", "empty": "Add output VAT codes above to configure a code per revenue rate." },
-    "categoryMap": { "title": "Expense category → account" },
-    "accounts": { "title": "Chart of accounts" },
-    "vatCodes": { "title": "VAT codes" },
+    "vatMap": {
+      "title": "VAT code by tax treatment (costs)"
+    },
+    "outputVatMap": {
+      "title": "VAT code by revenue rate",
+      "empty": "Add output VAT codes above to configure a code per revenue rate."
+    },
+    "categoryMap": {
+      "title": "Expense category → account"
+    },
+    "accounts": {
+      "title": "Chart of accounts"
+    },
+    "vatCodes": {
+      "title": "VAT codes"
+    },
     "account": {
-      "addTitle": "Add account", "editTitle": "Edit account",
-      "number": "Account number", "name": "Name", "type": "Type",
+      "addTitle": "Add account",
+      "editTitle": "Edit account",
+      "number": "Account number",
+      "name": "Name",
+      "type": "Type",
       "confirmDelete": "Delete this account?"
     },
     "vat": {
-      "addTitle": "Add VAT code", "editTitle": "Edit VAT code",
-      "code": "Code", "name": "Name", "rate": "Rate %", "direction": "Direction",
-      "account": "VAT account", "noAccount": "— none —", "confirmDelete": "Delete this VAT code?",
+      "addTitle": "Add VAT code",
+      "editTitle": "Edit VAT code",
+      "code": "Code",
+      "name": "Name",
+      "rate": "Rate %",
+      "direction": "Direction",
+      "account": "VAT account",
+      "noAccount": "— none —",
+      "confirmDelete": "Delete this VAT code?",
       "legacyRate": "{{rate}}% (not configured)"
     },
     "export": {
diff --git a/frontend/src/services/admin.service.ts b/frontend/src/services/admin.service.ts
index 09c137d6..f8c40575 100644
--- a/frontend/src/services/admin.service.ts
+++ b/frontend/src/services/admin.service.ts
@@ -445,6 +445,78 @@ export const adminService = {
       'event_type_updated': `Event type updated: ${md.name || ''}`,
       'event_type_deleted': `Event type deleted: ${md.name || ''}`,
       'event_types_reordered': 'Event types reordered',
+      // CRM — Contracts.
+      'contract_created': `Contract created: ${md.contractNumber || ''}`,
+      'contract_created_from_quote': `Contract created from quote: ${md.contractNumber || ''}`,
+      'contract_updated': `Contract updated: ${md.contractNumber || ''}`,
+      'contract_sent': `Contract sent: ${md.contractNumber || ''}`,
+      'contract_resent_signed': `Signed contract resent: ${md.contractNumber || ''}`,
+      'contract_signed_by_customer': `Contract signed by customer: ${md.contractNumber || ''}`,
+      'contract_signed_pdf_uploaded': `Signed contract PDF uploaded: ${md.contractNumber || ''}`,
+      'contract_signatures_restamped': `Contract signatures re-stamped: ${md.contractNumber || ''}`,
+      'contract_cancelled': `Contract cancelled: ${md.contractNumber || ''}`,
+      'contract_converted_to_event': `Contract converted to event: ${md.contractNumber || ''}`,
+      'contract_converted_to_empty_event': `Contract converted to empty event: ${md.contractNumber || ''}`,
+      'contract_converted_to_invoices': `Contract converted to invoices: ${md.contractNumber || ''}`,
+      'contract_converted_to_empty_invoice': `Contract converted to empty invoice: ${md.contractNumber || ''}`,
+      // CRM — Quotes.
+      'quote_created': `Quote created: ${md.quoteNumber || ''}`,
+      'quote_sent': `Quote sent: ${md.quoteNumber || ''}`,
+      'quote_updated': `Quote updated: ${md.quoteNumber || ''}`,
+      'quote_accepted_by_admin': `Quote accepted: ${md.quoteNumber || ''}`,
+      'quote_declined_by_admin': `Quote declined: ${md.quoteNumber || ''}`,
+      'quote_converted': `Quote converted: ${md.quoteNumber || ''}`,
+      'quote_converted_invoices_only': `Quote converted to invoices: ${md.quoteNumber || ''}`,
+      // CRM — Invoices / Storno.
+      'invoice_created': `Invoice created: ${md.invoiceNumber || ''}`,
+      'invoice_sent': `Invoice sent: ${md.invoiceNumber || ''}`,
+      'invoice_scheduled': `Invoice scheduled: ${md.invoiceNumber || ''}`,
+      'invoice_cancelled': `Invoice cancelled: ${md.invoiceNumber || ''}`,
+      'invoice_cancelled_via_storno': `Invoice cancelled via Storno: ${md.invoiceNumber || ''}`,
+      'invoice_reissued': `Invoice reissued: ${md.invoiceNumber || ''}`,
+      'invoice_paid_admin_notified': `Invoice marked paid: ${md.invoiceNumber || ''}`,
+      'invoice_payment_check_recorded': `Payment-check recorded for invoice: ${md.invoiceNumber || ''}`,
+      'invoice_payment_check_sent': `Payment-check sent for invoice: ${md.invoiceNumber || ''}`,
+      'invoice_released_for_delivery': `Invoice released for delivery: ${md.invoiceNumber || ''}`,
+      'invoice_reminder_sent': `Invoice reminder sent: ${md.invoiceNumber || ''}`,
+      'storno_sent': `Storno sent: ${md.invoiceNumber || ''}`,
+      // CRM — Monthly billing.
+      'monthly_bill_issued': 'Monthly bill issued for customer',
+      'monthly_bill_skipped_empty': 'Monthly bill skipped (no entries)',
+      'monthly_bill_triggered_manually': 'Monthly bill triggered manually',
+      'monthly_billing_items_queued': 'Monthly billing items queued',
+      'installment_plan_updated': 'Installment plan updated',
+      // Accounting — Expenses + Hours + Incoming invoices.
+      'expense_created': 'Expense created',
+      'expense_updated': 'Expense updated',
+      'expense_paid': 'Expense marked paid',
+      'expense_invoiced': 'Expense invoiced',
+      'hour_entry_logged': 'Hour entry logged',
+      'hour_entry_updated': 'Hour entry updated',
+      'hour_entry_deleted': 'Hour entry deleted',
+      'hour_entry_logged_to_monthly_draft': 'Hour entry logged to monthly draft',
+      'hour_entries_billed': 'Hour entries billed to customer',
+      'incoming_invoice_captured': 'Incoming invoice captured',
+      'incoming_invoice_categorized': 'Incoming invoice categorised',
+      'incoming_invoice_updated': 'Incoming invoice updated',
+      'incoming_invoice_rebilled': 'Incoming invoice re-billed to customer',
+      'incoming_invoice_supplier_payment': 'Supplier payment recorded',
+      'incoming_mail_config_updated': 'Incoming mail configuration updated',
+      // Customers + Admin user mgmt.
+      'customer_created_passive': `Passive customer created: ${md.email || ''}`,
+      'admin_user_activated': `Admin user activated: ${md.username || ''}`,
+      'admin_user_deleted': `Admin user deleted: ${md.username || ''}`,
+      'admin_password_reset': `Admin password reset: ${md.username || ''}`,
+      // Misc / legacy.
+      'bulk_archive_completed': `Bulk archive completed: ${md.count || 0} events archived`,
+      'email_queue_flushed': 'Email queue flushed',
+      'email_resent': `Creation email resent for ${activity.eventName || ''}`,
+      'email_template_created': `Email template created: ${md.template_key || ''}`,
+      'event_duplicated': `Event duplicated from ${md.source_event_name || ''}`,
+      'feedback_deleted': 'Feedback deleted',
+      'feedback_moderated': 'Feedback moderated',
+      'feedback_settings_updated': `Feedback settings updated for ${activity.eventName || ''}`,
+      'word_filter_added': `Word filter added: ${md.word || ''}`,
     };
 
     return messages[activity.type] || activity.type;
diff --git a/frontend/src/services/notifications.service.ts b/frontend/src/services/notifications.service.ts
index 1c53cc7e..66129a16 100644
--- a/frontend/src/services/notifications.service.ts
+++ b/frontend/src/services/notifications.service.ts
@@ -288,12 +288,27 @@ export const notificationsService = {
           slug: notification.metadata.slug,
         });
 
-      default:
-        // Log unknown notification types for debugging
+      default: {
+        // Smart fallback: try to resolve admin.notificationMessages.<camelCase>
+        // directly before giving up to the systemActivity template. Most CRM
+        // and accounting activity types follow a stable shape (a doc number /
+        // customer email / count interpolated into a short sentence), so we
+        // add their translation entries to the locale files and rely on this
+        // default to pick them up — no per-type switch case needed.
+        const camelCase = notification.type.replace(/_(\w)/g, (_match, c) => c.toUpperCase());
+        const key = `admin.notificationMessages.${camelCase}`;
+        const translated = t(key, {
+          eventName: notification.eventName,
+          actorName: notification.actorName,
+          ...notification.metadata,
+        });
+        if (translated && translated !== key) return translated as string;
+        // Truly unknown — log and render the legacy systemActivity template.
         console.warn('Unknown notification type:', notification.type, notification);
         return notification.metadata.message || t('admin.notificationMessages.systemActivity', {
           type: notification.type.replace(/_/g, ' ')
         });
+      }
     }
   },