feat: Implement consolidated booking functionality

- Added support for viewing and managing consolidated bookings in BookingRequestDetailPage.
- Enhanced BookingRequestsPage to display paired bookings in a single row.
- Introduced pairedDecision method in bookings service to handle decisions for both halves of a consolidated pair.
- Updated contracts service to include methods for manual consolidation of odd-20ft bookings.
- Created new components for selecting and editing consolidation partners.
- Added tests for paired decision logic and manual consolidation scenarios.
- Updated UI to reflect changes in booking handling and provide user feedback for odd container counts.

apps/edr-freight-api/src/modules/contracts/contracts.controller.ts

@@ -76,7 +76,10 @@ import {
 import { SignContractDto } from './dto/sign-contract.dto';
 import { ReviewClearanceDocumentDto } from './dto/review-clearance-document.dto';
 import { RenewContractDto } from './dto/renew-contract.dto';
-import { CreateBookingUnderContractDto } from './dto/create-booking-under-contract.dto';
+import {
+  CompleteConsolidatedPairDto,
+  CreateBookingUnderContractDto,
+} from './dto/create-booking-under-contract.dto';
 import {
   CreateBookingRequestDto,
   ReviewBookingRequestDto,
@@ -1152,6 +1155,41 @@ export class ContractsController {
     // Customs (Path B) instances may only be completed by GL Ethiopia — the
     // service checks the actor's contracts:create_booking permission.
     return this.contractBookingService.completeUnderContract(
+      id,
+      bookingId,
+      // skipAutoConsolidation is internal to the manual pair-completion path; a
+      // client must never suppress the wagon gate on a lone booking.
+      { ...dto, skipAutoConsolidation: false },
+      user,
+    );
+  }
+
+  @Get(':id/bookings/:bookingId/consolidation-candidates')
+  @MixedAudience(FREIGHT_PERMS.contracts.createBooking)
+  @ApiOperation({
+    summary:
+      'Bookings GL may link to this odd-20ft customs booking as its shared-wagon partner (same route and direction, customs, odd 20ft, unpaired).',
+  })
+  listConsolidationCandidates(
+    @Param('id', ParseUUIDPipe) id: string,
+    @Param('bookingId', ParseUUIDPipe) bookingId: string,
+  ) {
+    return this.contractBookingService.listConsolidationCandidates(id, bookingId);
+  }
+
+  @Post(':id/bookings/:bookingId/complete-consolidated')
+  @MixedAudience(FREIGHT_PERMS.contracts.createBooking)
+  @ApiOperation({
+    summary:
+      'Complete this booking and its chosen shared-wagon partner together (all-or-nothing). Each booking is priced and invoiced separately — only the wagon is shared.',
+  })
+  completeConsolidatedPair(
+    @Param('id', ParseUUIDPipe) id: string,
+    @Param('bookingId', ParseUUIDPipe) bookingId: string,
+    @Body() dto: CompleteConsolidatedPairDto,
+    @CurrentUser() user: TCurrentUser & { sub?: string },
+  ) {
+    return this.contractBookingService.completeConsolidatedPair(
       id,
       bookingId,
       dto,