fix: restrict NAV2 prebuilt artifacts to amd64

src/chat/dto/create-ai-response.dto.ts

@@ -1,6 +1,9 @@
-import { IsInt, IsOptional, IsString, Max, Min } from 'class-validator';
+import { IsInt, IsOptional, IsString, IsUUID, Max, Min } from 'class-validator';
 
 export class CreateAiResponseDto {
+  @IsUUID()
+  courseId: string;
+
   @IsString()
   content: string;