Redesign login/register with Mento branding and email/mobile OTP.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/auth/dto.ts

@@ -1,20 +1,40 @@
 import {
   IsEmail,
   IsIn,
+  IsOptional,
   IsString,
+  Matches,
   MinLength,
+  ValidateIf,
 } from 'class-validator';
 import { BUSINESS_FIELDS } from '@mento/shared';
 
 export class LoginDto {
+  /** ایمیل یا موبایل — کلاینت جدید */
+  @IsOptional()
+  @IsString()
+  @MinLength(3)
+  identifier?: string;
+
+  /** سازگاری با کلاینت قدیمی */
+  @IsOptional()
   @IsEmail()
-  email!: string;
+  email?: string;
 
   @IsString()
   @MinLength(6)
   password!: string;
 }
 
+export class LoginVerifyOtpDto {
+  @IsString()
+  challengeId!: string;
+
+  @IsString()
+  @MinLength(4)
+  code!: string;
+}
+
 export class RegisterOrganizationDto {
   @IsString()
   @MinLength(2)
@@ -27,10 +47,41 @@ export class RegisterOrganizationDto {
   @IsEmail()
   email!: string;
 
+  @IsString()
+  @Matches(/^09\d{9}$|^\+98\d{10}$|^98\d{10}$|^9\d{9}$/, {
+    message: 'شماره موبایل معتبر نیست',
+  })
+  mobile!: string;
+
   @IsString()
   @MinLength(6)
   password!: string;
 
+  @IsString()
+  @MinLength(6)
+  passwordConfirm!: string;
+
   @IsIn([...BUSINESS_FIELDS])
   businessField!: (typeof BUSINESS_FIELDS)[number];
+
+  @IsOptional()
+  @IsString()
+  referralCode?: string;
+
+  @ValidateIf((_, v) => v !== undefined)
+  @IsOptional()
+  acceptedTerms?: boolean;
+}
+
+export class RegisterVerifyOtpDto {
+  @IsString()
+  challengeId!: string;
+
+  @IsString()
+  @MinLength(4)
+  emailCode!: string;
+
+  @IsString()
+  @MinLength(4)
+  mobileCode!: string;
 }