add per-container handling options for hazardous, reefer, and return services

- Introduced new boolean fields (isHazardous, isReefer, isReturn) in UnitDraft and related interfaces to allow individual container handling options.
- Updated emptyUnit function to initialize these new fields.
- Modified GlCreateBookingForm to handle and display these options for each container.
- Adjusted calculations for hazardous, reefer, and return quantities based on the new handling options.
- Updated the schema for container units and booking container lines to include handling options.
- Added migration to support the new return flag in the database.
- Enhanced various components to reflect gross weight calculations, ensuring consistency across the application.

apps/edr-freight-api/src/modules/train-scheduling/intercity.service.ts

@@ -64,15 +64,15 @@ export class IntercityService {
           booking.destinationYardId,
         );
         return {
-          ...this.mapBooking(booking),
+          ...this.mapBooking(booking, need),
           need,
           fits: Boolean(need && capacity && leg && capacity.budget.fits(need, leg)),
         };
       }),
-      accepted: accepted.map((booking) => ({
-        ...this.mapBooking(booking),
-        need: capacity?.needFor(booking) ?? null,
-      })),
+      accepted: accepted.map((booking) => {
+        const need = capacity?.needFor(booking) ?? null;
+        return { ...this.mapBooking(booking, need), need };
+      }),
     };
   }
 
@@ -294,7 +294,12 @@ export class IntercityService {
     return { schedule, booking };
   }
 
-  private mapBooking(booking: Booking) {
+  /**
+   * `need` carries the GROSS weight (cargo + wagon tare) the capacity budget is
+   * spent in. Prefer it, so the row's weight sits on the same axis as the
+   * remaining-capacity figure shown beside it; cargo VGM is the fallback.
+   */
+  private mapBooking(booking: Booking, need?: { weightTons: number } | null) {
     return {
       id: booking.id,
       reference: booking.reference,
@@ -310,7 +315,7 @@ export class IntercityService {
         booking.destinationYard?.label ??
         booking.destinationYard?.code ??
         'Unknown destination',
-      weightTons: Number(booking.cargoTotalWeightVgm ?? 0),
+      weightTons: need?.weightTons ?? Number(booking.cargoTotalWeightVgm ?? 0),
       paymentDeadline: booking.paymentDeadline?.toISOString() ?? null,
     };
   }