diff --git a/src/components/portal/portal-shell.tsx b/src/components/portal/portal-shell.tsx
index ee10517..dbfa8c8 100644
--- a/src/components/portal/portal-shell.tsx
+++ b/src/components/portal/portal-shell.tsx
@@ -155,6 +155,38 @@ export function PortalShell({ children }: PortalShellProps) {
             Recuperando dados do colaborador vinculado...
           </div>
         ) : null}
+        {!machineContextError && !machineContextLoading && machineContext && !machineContext.assignedUserId ? (
+          <div className="rounded-xl border border-amber-300 bg-amber-50 px-4 py-3 text-sm text-amber-800 shadow-sm">
+            <p className="font-semibold">Debug: m�quina autenticada sem colaborador vinculado.</p>
+            <p className="mt-1 text-xs text-amber-700">
+              Copie os dados abaixo e compartilhe com o suporte para investigar.
+            </p>
+            <pre className="mt-2 max-h-64 overflow-y-auto rounded-lg bg-white/70 px-3 py-2 text-[11px] leading-tight text-amber-900">
+              {JSON.stringify(machineContext, null, 2)}
+            </pre>
+            <button
+              type="button"
+              onClick={() => {
+                const payload = {
+                  machineContext,
+                  timestamp: new Date().toISOString(),
+                }
+                try {
+                  navigator.clipboard
+                    .writeText(JSON.stringify(payload, null, 2))
+                    .catch(() => {
+                      console.warn("N�o foi poss�vel copiar automaticamente. Selecione o texto manualmente.", payload)
+                    })
+                } catch (error) {
+                  console.warn("Clipboard n�o suportado. Selecione manualmente.", error)
+                }
+              }}
+              className="mt-2 inline-flex items-center rounded-md border border-amber-300 px-3 py-1 text-xs font-semibold text-amber-800 transition hover:bg-amber-100"
+            >
+              Copiar detalhes
+            </button>
+          </div>
+        ) : null}
         {children}
       </main>
       <footer className="border-t border-slate-200 bg-white/70">