fix(tickets): improve accessibility and error logging in ticket creation components

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

frontend/src/components/tickets/NewTicketModal.tsx

@@ -39,7 +39,7 @@ export function NewTicketModal({ defaultTab = 'quick', initialValues, summaryHin
 
   useEffect(() => {
     integrationsApi.listBoards().then(setBoards).catch(() => {})
-    ticketsApi.listPriorities().then(setPriorities).catch(() => {})
+    ticketsApi.listPriorities().then(setPriorities).catch(err => console.error('Failed to load priorities', err))
   }, [])
 
   useEffect(() => {
@@ -89,7 +89,7 @@ export function NewTicketModal({ defaultTab = 'quick', initialValues, summaryHin
         {/* Header */}
         <div className="flex items-center justify-between px-5 py-4 border-b border-default shrink-0">
           <h2 className="font-heading font-semibold text-heading">New Ticket</h2>
-          <button onClick={onClose} className="text-muted-foreground hover:text-primary transition-colors">
+          <button onClick={onClose} aria-label="Close" className="text-muted-foreground hover:text-primary transition-colors">
             <X className="w-4 h-4" />
           </button>
         </div>