feat: TOTP 2차 인증, 관리자 메뉴/대시보드 및 의존성 반영

- robthree/twofactorauth, Auth 설정·TotpService·2FA 뷰·라우트
- member TOTP 컬럼 DDL(login_tables, member_add_totp.sql)
- 관리자 메뉴·레이아웃·필터·대시보드 등 연관 변경
- env 샘플에 auth.requireTotp 주석

Made-with: Cursor

app/Views/auth/register.php

@@ -89,7 +89,7 @@ tailwind.config = {
         <label class="block text-sm font-bold text-gray-700 mb-1" for="mb_level">사용자 역할 <span class="text-red-500">*</span></label>
         <select class="block w-full border border-gray-300 rounded px-3 py-2 text-sm focus:ring-blue-500 focus:border-blue-500" id="mb_level" name="mb_level">
           <?php foreach (config('Roles')->levelNames as $level => $name): ?>
-          <?php if ((int) $level === \Config\Roles::LEVEL_SUPER_ADMIN) continue; ?>
+          <?php if (\Config\Roles::isSuperAdminEquivalent((int) $level)) continue; ?>
           <option value="<?= $level ?>" <?= old('mb_level', config('Roles')->defaultLevelForSelfRegister) == $level ? 'selected' : '' ?>><?= esc($name) ?></option>
           <?php endforeach; ?>
         </select>