feature: Phase 2- splitting the treatment schema into TreatmentDetail and LabCase.

backend/src/modules/treatments/dto/treatment.dto.ts

@@ -12,7 +12,7 @@ import { Type } from 'class-transformer';
 
 const TREATMENT_TYPES = ['consultation', 'filling', 'endo', 'visit', 'hygiene'] as const;
 
-export class SaveTreatmentCaseDto {
+export class SaveTreatmentDetailDto {
   @IsString()
   @MaxLength(64)
   clientId: string;
@@ -43,15 +43,39 @@ export class SaveTreatmentDraftDto {
   @IsArray()
   @ArrayMinSize(1)
   @ValidateNested({ each: true })
-  @Type(() => SaveTreatmentCaseDto)
-  cases: SaveTreatmentCaseDto[];
+  @Type(() => SaveTreatmentDetailDto)
+  details: SaveTreatmentDetailDto[];
 }
 
-export class SendTreatmentCaseDto {
+export class SaveLabCaseDto {
+  @IsString()
+  @MaxLength(64)
+  clientId: string;
+
+  @IsOptional()
+  @IsUUID()
+  id?: string;
+
+  @IsOptional()
+  @IsUUID()
+  destinationOrganizationId?: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(5000)
+  labComment?: string;
+
   @IsArray()
   @ArrayMinSize(1)
   @IsUUID(undefined, { each: true })
-  organizationIds: string[];
+  treatmentDetailIds: string[];
+}
+
+export class SaveTreatmentLabCasesDto {
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => SaveLabCaseDto)
+  labCases: SaveLabCaseDto[];
 }
 
 export class ListPatientTreatmentHistoryDto {