refactor: simplify ticket lifecycle flow, remove processing and completed state

src/app/(modules)/ticket/[ticketId]/page.tsx

@@ -24,11 +24,7 @@ export default function TicketDetailPage() {
   const ticketQuery = useTicketDetailQuery(ticketId, defectClass);
   const ticket = ticketQuery.data;
 
-  const liveState = useTicketDetailEvents(
-    ticketId,
-    defectClass,
-    Boolean(ticketId),
-  );
+  useTicketDetailEvents(ticketId, defectClass, Boolean(ticketId));
 
   if (ticketQuery.isLoading) {
     return <TicketDetailSkeleton />;
@@ -62,7 +58,7 @@ export default function TicketDetailPage() {
         </div>
 
         <div className="self-start">
-          <TicketStatusActions ticket={ticket} liveState={liveState} />
+          <TicketStatusActions ticket={ticket} />
         </div>
       </div>
     </main>