feat: return scrip results on ticket create, update frontend types

- POST /tickets now returns { ticket, scrip_results } matching PATCH pattern
- createTicket API function returns UpdateResult instead of Ticket
- Update call site to use data.ticket.id

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

web/src/app/page.tsx

@@ -428,7 +428,7 @@ function TicketWorkbenchContent() {
     setNewSubject("");
     setNewDescription("");
     setNewCustomFieldValues({});
-    if (data) router.push(`/tickets/${data.id}`);
+    if (data) router.push(`/tickets/${data.ticket.id}`);
   };
 
   if (loading) return <SkeletonWorkbench />;