Enhance clearance milestone management and introduce new contract actions

- Added new milestones for 'Transit Permit Uploaded' and 'Export Transport Document Issued' in the clearance milestone catalog.
- Implemented methods in ClearanceMilestoneService to skip milestones and complete them with metadata.
- Updated ContractBookingService to check boundary conditions before booking creation.
- Introduced new endpoints in ContractsController for uploading customs declarations, advising duty, and handling various document uploads.
- Enhanced the UI to support new clearance actions and display relevant components based on milestone statuses.

apps/edr-freight-api/src/modules/contracts/dto/phased-clearance.dto.ts

@@ -0,0 +1,37 @@
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import { IsBoolean, IsNumber, IsOptional, IsString, Min } from 'class-validator';
+
+export class AdviseContractDutyDto {
+  @ApiProperty({ description: 'Whether the customer must pay duty/tax' })
+  @IsBoolean()
+  dutyRequired!: boolean;
+
+  @ApiPropertyOptional({ description: 'Duty amount (required when dutyRequired is true)' })
+  @IsOptional()
+  @IsNumber()
+  @Min(0)
+  amount?: number;
+
+  @ApiPropertyOptional({ default: 'ETB' })
+  @IsOptional()
+  @IsString()
+  currency?: string;
+
+  @ApiPropertyOptional({ description: 'Declaration / payment reference code' })
+  @IsOptional()
+  @IsString()
+  declarationSerial?: string;
+}
+
+export class ReleaseOrderDto {
+  @ApiProperty({ description: 'Vessel departure date (ISO date YYYY-MM-DD)' })
+  @IsString()
+  vesselDepartureDate!: string;
+}
+
+export class RoAmendmentDto {
+  @ApiPropertyOptional({ description: 'Note to customer / ET GL about the amendment request' })
+  @IsOptional()
+  @IsString()
+  note?: string;
+}