save email as pdf likae attachment version 2

backend/src/routes/cachedEmail.routes.ts

@@ -176,6 +176,15 @@ router.post(
   cachedEmailController.saveAttachmentTo
 );
 
+// E-Mail als PDF exportieren und speichern
+// POST /api/emails/:id/save-as-pdf  { entityType, entityId?, targetKey }
+router.post(
+  '/emails/:id/save-as-pdf',
+  authenticate,
+  requirePermission('customers:update'),
+  cachedEmailController.saveEmailAsPdf
+);
+
 // ==================== VERTRAGSZUORDNUNG ====================
 
 // E-Mail Vertrag zuordnen