add lashing surcharge for cargo types with hasLashing flag

add lashing surcharge for cargo types with hasLashing flag

apps/edr-freight-api/src/contracts/contract-view-model.builder.ts

@@ -7,6 +7,7 @@ import {
   ContractSignerRole,
 } from '../modules/bookings/entities/booking-contract-signature.entity';
 import { ContractPricingScheduleBuilder, PricingSchedule } from './contract-pricing-schedule.builder';
+import { ContractRateScheduleBuilder, RateSchedule } from './contract-rate-schedule.builder';
 import { ContractTemplateResolver } from './contract-template.resolver';
 import { ContractTemplateMeta, getTemplateMeta } from './contract-template.registry';
 
@@ -74,6 +75,12 @@ export interface ContractViewModel {
     lastMileDeliveryAddress: string;
   };
   pricing: PricingSchedule;
+  /**
+   * The live origin → destination rate schedule (base freight lanes + services
+   * + surcharges) matching this contract's direction and freight kind. Drives
+   * the pricing article's rate table so the contract mirrors the rate config.
+   */
+  rateSchedule: RateSchedule;
   signatures: ContractSignatureView[];
   canSignCustomer: boolean;
   canSignStaff: boolean;
@@ -89,6 +96,7 @@ export class ContractViewModelBuilder {
     private readonly bookingsRepository: BookingsRepository,
     private readonly templateResolver: ContractTemplateResolver,
     private readonly pricingBuilder: ContractPricingScheduleBuilder,
+    private readonly rateScheduleBuilder: ContractRateScheduleBuilder,
   ) {}
 
   async build(bookingId: string): Promise<{ booking: Booking; view: ContractViewModel }> {
@@ -101,6 +109,10 @@ export class ContractViewModelBuilder {
       booking.contractTemplateKey ?? this.templateResolver.resolve(booking);
     const template = getTemplateMeta(templateKey);
     const pricing = await this.pricingBuilder.build(booking);
+    const rateSchedule = await this.rateScheduleBuilder.build(
+      template.direction,
+      template.freight,
+    );
     const signatures = await this.loadSignatures(bookingId);
 
     const hasCustomer = signatures.some((s) => s.role === 'CUSTOMER');
@@ -143,6 +155,7 @@ export class ContractViewModelBuilder {
       },
       schedule: this.buildSchedule(booking),
       pricing,
+      rateSchedule,
       signatures,
       canSignCustomer:
         booking.status === 'CONTRACT_READY' && !hasCustomer,