chore: 2fa added

src/modules/auth/DTO/create-two-factor.dto.ts

@@ -0,0 +1,36 @@
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { IsBoolean, IsOptional, IsString } from "class-validator";
+
+export class Setup2FADto {
+  @ApiPropertyOptional({ description: "TOTP issuer name", example: "DMail Service" })
+  @IsOptional()
+  @IsString()
+  issuer?: string;
+
+  @ApiPropertyOptional({ description: "Generate fresh secret", default: false })
+  @IsOptional()
+  @IsBoolean()
+  fresh?: boolean;
+}
+
+export class Enable2FADto {
+  @ApiProperty({ description: "TOTP token from authenticator app", example: "123456" })
+  @IsString()
+  token: string;
+}
+
+export class Verify2FADto {
+  @ApiProperty({ description: "TOTP token for verification", example: "123456" })
+  @IsString()
+  token: string;
+}
+
+export class UseBackupCodeDto {
+  @ApiProperty({ description: "Backup code", example: "abcd1234" })
+  @IsString()
+  code: string;
+}
+
+export class GenerateBackupCodesDto {
+  // Empty DTO for endpoint consistency
+}