verifyNumericCode static method
Verify numeric verification code
Implementation
static Future<bool> verifyNumericCode(String email, String code) async {
  await Auth.ensureFrameworkTablesExist();
  final codeHash = Hashing().hash(code);
  // Find matching valid record
  final record = await QueryBuilder(table: 'email_verification_tokens')
      .where('email', '=', email)
      .where('token', '=', codeHash)
      .where('expires_at', '>', DateTime.now().toIso8601String())
      .first();
  if (record == null) {
    print('❌ Invalid or expired verification code for $email');
    return false;
  }
  // Mark email as verified
  final emailVerifiedAtExists =
      await Auth.columnExists(Auth.config.table, 'email_verified_at');
  if (emailVerifiedAtExists) {
    await QueryBuilder(table: Auth.config.table)
        .where(Auth.config.emailColumn, '=', email)
        .update({
      'email_verified_at': DateTime.now().toIso8601String(),
    });
  }
  // 🧹 Delete used code
  await QueryBuilder(table: 'email_verification_tokens')
      .where('email', '=', email)
      .delete();
  print('✅ Email verified successfully: $email');
  return true;
}