fix: harden machine session fallback and clean lint

src/components/admin/machines/admin-machines-overview.tsx

@@ -994,16 +994,13 @@ export function MachineDetails({ machine }: MachineDetailsProps) {
   const metrics = machine?.metrics ?? null
   const metricsCapturedAt = useMemo(() => getMetricsTimestamp(metrics), [metrics])
   // Live refresh the relative time label every second when we have a capture timestamp
-  const [relativeTick, setRelativeTick] = useState(0)
+  const [, setRelativeTick] = useState(0)
   useEffect(() => {
     if (!metricsCapturedAt) return
     const id = setInterval(() => setRelativeTick((t) => t + 1), 1000)
     return () => clearInterval(id)
   }, [metricsCapturedAt])
-  const lastUpdateRelative = useMemo(
-    () => (metricsCapturedAt ? formatRelativeTime(metricsCapturedAt) : null),
-    [metricsCapturedAt, relativeTick]
-  )
+  const lastUpdateRelative = metricsCapturedAt ? formatRelativeTime(metricsCapturedAt) : null
   const hardware = metadata?.hardware
   const network = metadata?.network ?? null
   const networkInterfaces = Array.isArray(network) ? network : null

src/components/portal/portal-ticket-detail.tsx

@@ -635,7 +635,7 @@ function PortalCommentAttachmentCard({
       window.open(target, "_blank", "noopener,noreferrer")
       toast.error("Não foi possível baixar o anexo automaticamente.", { id: toastId })
     }
-  }, [attachment.name, ensureUrl])
+  }, [attachment.id, attachment.name, ensureUrl])
 
   const resolvedUrl = url
 

src/components/tickets/ticket-comments.rich.tsx

@@ -650,7 +650,7 @@ function CommentAttachmentCard({
       window.open(target, "_blank", "noopener,noreferrer")
       toast.error("Não foi possível baixar o anexo automaticamente.", { id: toastId })
     }
-  }, [attachment.name, ensureUrl, url])
+  }, [attachment.id, attachment.name, ensureUrl, url])
 
   const name = attachment.name ?? ""
   const urlLooksImage = url ? /\.(png|jpe?g|gif|webp|svg)$/i.test(url) : false

src/lib/auth-client.tsx

@@ -109,6 +109,11 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
   //    carregar o contexto — se a API responder 200, assumimos que há sessão válida
   //    do lado do servidor e populamos o contexto para o restante do app.
   useEffect(() => {
+    if (isPending) {
+      setMachineContextLoading(true)
+      return
+    }
+
     const shouldFetch = Boolean(session?.user?.role === "machine") || !session?.user
     if (!shouldFetch) {
       setMachineContext(null)
@@ -215,7 +220,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     return () => {
       cancelled = true
     }
-  }, [session?.user])
+  }, [session?.user, isPending])
 
   // Poll machine session periodically to reflect admin changes (e.g., deactivation)
   useEffect(() => {