leg-aware capacity and wagon sharing

packages/types/src/freight/index.ts

@@ -1108,6 +1108,10 @@ export interface ExportTrainOptionWagonType {
  */
 export interface ExportTrainOption {
   scheduleId: string;
+  /** Schedule's train number (falls back to the built train's number). */
+  trainNumber: string | null;
+  /** Built train's name/code, when the schedule runs a Train Builder train. */
+  trainName: string | null;
   departure: string;
   bookingClosesAt: string | null;
   isOpen: boolean;

packages/ui-common/src/components/ExportTrainPicker/ExportTrainPicker.tsx

@@ -89,7 +89,14 @@ export function ExportTrainPicker({
                   <TrainFront size={16} color={selected ? SELECTED : "#5B6B7A"} />
                   <Box>
                     <Text fz="13px" fw={600} c="#10202F">
-                      Departs {departureLabel(option.departure)} EAT
+                      {option.trainNumber
+                        ? `Train ${option.trainNumber}`
+                        : (option.trainName ?? "Train")}
+                      {option.trainNumber && option.trainName
+                        ? ` · ${option.trainName}`
+                        : ""}
+                      {" — departs "}
+                      {departureLabel(option.departure)} EAT
                     </Text>
                     <Text fz="12px" c="dimmed">
                       {option.freeWagons} wagon{option.freeWagons === 1 ? "" : "s"} free