improvement: tasks and cases feature updated based on the new prosthesis types and their steps. the whole assignment proccess removed from the flow.

backend/src/modules/cases/dto/cases.dto.ts

@@ -1,18 +1,9 @@
 import { Transform } from 'class-transformer';
-import { IsDateString, IsInt, IsOptional, IsString, IsUUID, Max, Min, ValidateIf } from 'class-validator';
+import { IsBoolean, IsDateString, IsInt, IsOptional, IsString, IsUUID, Max, Min } from 'class-validator';
 
 export class UpdateLabCaseTaskDto {
-  @IsOptional()
-  @ValidateIf((_, value) => value !== null)
-  @IsUUID()
-  assigneeUserId?: string | null;
-
-  @IsOptional()
-  @Transform(({ value }) => Number(value))
-  @IsInt()
-  @Min(1)
-  @Max(5)
-  priority?: number;
+  @IsBoolean()
+  isImportant: boolean;
 }
 
 export class ListLabCasesDto {