feat: add five-session post-stop reentry lockdown

frontend/src/components/signals/BacktestPanel.tsx

@@ -321,6 +321,9 @@ export function BacktestPanel() {
                 <p className="text-[11px] text-gray-500">
                   Avg hold {fmtDays(monitorRun.avg_hold_days)} · Best {fmtR(monitorRun.best_trade_r)} / Worst{' '}
                   {fmtR(monitorRun.worst_trade_r)} · Avg P&amp;L per trade {fmtMoney(monitorRun.avg_trade_pnl)}
+                  {monitorRun.reentry_lockdown_sessions ? (
+                    <> · Re-entry lockdown {monitorRun.reentry_lockdown_sessions} market sessions after initial stop</>
+                  ) : null}
                 </p>
 
                 {monitorRun.yearly_returns && monitorRun.yearly_returns.length > 0 && (