feat(tickets): preserve requester/assignee/company snapshots + timeline fallbacks; chore: add requester index\n\n- Add requesterSnapshot, assigneeSnapshot, companySnapshot to tickets\n- Use snapshots as fallback in list/get/play\n- Update snapshots on assignee changes/startWork\n- Preserve snapshots before deleting users/companies\n- Add index tickets.by_tenant_requester\n- Add migrations.backfillTicketSnapshots\n\nchore(convex): upgrade to ^1.28.0 and run codegen\nchore(next): upgrade Next.js to 15.5.6 and update React/eslint-config-next\nfix: remove any and lint warnings; tighten types across API routes and components\ndocs: add docs/ticket-snapshots.md

src/components/tickets/ticket-summary-header.tsx

@@ -419,7 +419,9 @@ export function TicketSummaryHeader({ ticket }: TicketHeaderProps) {
     })
   }, [workSummaryRemote, calibrateServerOffset])
 
-  const isPlaying = Boolean(workSummary?.activeSession)
+  const activeSessionId = workSummary?.activeSession?.id ?? null
+  const activeSessionStartedAt = workSummary?.activeSession?.startedAt ?? null
+  const isPlaying = Boolean(activeSessionId)
   const [now, setNow] = useState(() => Date.now())
   // Guarda um marcador local do início da sessão atual para evitar inflar tempo com
   // timestamps defasados vindos da rede. Escolhemos o MAIOR entre (remoto, local).
@@ -427,28 +429,28 @@ export function TicketSummaryHeader({ ticket }: TicketHeaderProps) {
   const localStartOriginRef = useRef<SessionStartOrigin>("unknown")
 
   useEffect(() => {
-    if (!workSummary?.activeSession) return
+    if (!activeSessionId) return
     const interval = setInterval(() => {
       setNow(Date.now())
     }, 1000)
     return () => clearInterval(interval)
-  }, [workSummary?.activeSession?.id])
+  }, [activeSessionId])
 
   // Sempre que a sessão ativa (id) mudar, sincroniza o ponteiro local
   useEffect(() => {
-    if (!workSummary?.activeSession) {
+    if (!activeSessionId) {
       localStartAtRef.current = 0
       localStartOriginRef.current = "unknown"
       return
     }
     const { localStart, origin } = reconcileLocalSessionStart({
-      remoteStart: Number(workSummary.activeSession.startedAt) || 0,
+      remoteStart: Number(activeSessionStartedAt) || 0,
       localStart: localStartAtRef.current,
       origin: localStartOriginRef.current,
     })
     localStartAtRef.current = localStart
     localStartOriginRef.current = origin
-  }, [workSummary?.activeSession?.id, workSummary?.activeSession?.startedAt])
+  }, [activeSessionId, activeSessionStartedAt])
 
   useEffect(() => {
     if (!pauseDialogOpen) {