remember me with max age 30 days :).

backend/src/modules/auth/dto/login.dto.ts

@@ -1,5 +1,5 @@
 // backend/src/modules/auth/dto/login.dto.ts
-import { IsEmail, IsString, MinLength } from 'class-validator';
+import { IsBoolean, IsEmail, IsOptional, IsString, MinLength } from 'class-validator';
 import { ApiProperty } from '@nestjs/swagger';
 
 export class LoginDto {
@@ -20,4 +20,13 @@ export class LoginDto {
   @IsString()
   @MinLength(6, { message: 'Password must be at least 6 characters long' })
   password: string;
+
+  @ApiProperty({
+    description: 'Keep the user signed in for 30 days on this device',
+    required: false,
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean()
+  rememberMe?: boolean;
 }