diff --git a/src/financial-intelligence/dto.ts b/src/financial-intelligence/dto.ts
index 5085634..ec22004 100644
--- a/src/financial-intelligence/dto.ts
+++ b/src/financial-intelligence/dto.ts
@@ -2,9 +2,9 @@ import { IsArray, IsNumber, IsOptional, IsString, ValidateNested } from 'class-v
 import { Type } from 'class-transformer';
 
 export class FinancialSignalItemDto {
-  @IsString() source: string;
-  @IsString() title: string;
-  @IsString() summary: string;
+  @IsString() source!: string;
+  @IsString() title!: string;
+  @IsString() summary!: string;
   @IsOptional() @IsString() category?: string;
   @IsOptional() @IsString() region?: string;
   @IsOptional() @IsString() niche?: string;
@@ -20,5 +20,5 @@ export class FinancialSignalItemDto {
 export class IngestSignalsDto {
   @IsOptional() @IsString() tenantId?: string;
   @IsArray() @ValidateNested({ each: true }) @Type(() => FinancialSignalItemDto)
-  signals: FinancialSignalItemDto[];
+  signals!: FinancialSignalItemDto[];
 }