implement update train details feature: add DTO, service method, and UI modal for editing train name and run numbers

apps/edr-freight-api/src/modules/rule-engine/entities/rate-type.util.ts

@@ -37,6 +37,8 @@ export function deriveRateType(input: {
         return 'DEMURRAGE';
       case 'PIL_EXTRA_FEE':
         return 'PIL_EXTRA_FEE';
+      case 'CUSTOMS_CLEARANCE':
+        return 'CUSTOMS_CLEARANCE';
     }
   }
 

apps/edr-freight-api/src/modules/rule-engine/entities/rate-unit.util.ts

@@ -30,6 +30,9 @@ export function allowedRateUnits(input: {
         return ['PER_CONTAINER', 'PER_TON'];
       case 'CANCELLATION':
         return ['FLAT', 'PER_INVOICE'];
+      case 'CUSTOMS_CLEARANCE':
+        // Flat per clearance (ONE_TIME contract) / per shipment request (GENERAL).
+        return ['FLAT'];
       case 'CONSOLIDATION':
         return ['PER_CONTAINER', 'FLAT'];
       case 'SHIPPING_LINE':

apps/edr-freight-api/src/modules/rule-engine/entities/rate.entity.ts

@@ -21,6 +21,7 @@ export const RATE_TYPES = [
   'HAZARD_SURCHARGE',
   'REEFER_SURCHARGE',
   'PIL_EXTRA_FEE',
+  'CUSTOMS_CLEARANCE',
 ] as const;
 
 export type RateType = typeof RATE_TYPES[number];
@@ -75,6 +76,9 @@ export const RATE_TRIGGERS = [
   'CANCELLATION',
   'DEMURRAGE',
   'PIL_EXTRA_FEE',
+  // Customs clearance service fee — billed up front via a clearance invoice,
+  // never auto-applied to booking pricing (matchesTrigger returns false).
+  'CUSTOMS_CLEARANCE',
 ] as const;
 export type RateTrigger = typeof RATE_TRIGGERS[number];