giveme git commit message 50 char

packages/types/src/freight/booking-window-ws.ts

@@ -29,6 +29,11 @@ export interface BookingWindowPhaseEvent {
   windowClosesAt: string | null;
   docReviewEndsAt: string | null;
   paymentPhaseEndsAt: string | null;
+  /**
+   * When the payment drain tail ends (paymentPhaseEndsAt + server drain
+   * minutes) — pending payments may still settle until then. Display only.
+   */
+  paymentDrainEndsAt: string | null;
   scheduledDepartureDate: string | null;
 }