Merge pull request 'Администратор открывает любой ящик (OPEN); @домен при создании ящика; «показать пароль» везде' (#21) from feat/admin-open-mailbox into master

Reviewed-on: #21

frontend/src/app/pages/folder/folder.page.ts

@@ -67,7 +67,7 @@ import { ToastService } from '../../ui/toast.service';
           </div>
         </ng-template>
         <ng-template jtGridCell="subject" let-row>
-          <a [routerLink]="link(row)" class="block max-w-[560px] group">
+          <a [routerLink]="link(row)" class="block max-w-[520px] group">
             <span class="truncate block group-hover:text-cyan-300" [class.font-bold]="!row.read" [class.text-white]="!row.read">
               @if (!row.read) { <span class="inline-block w-2 h-2 rounded-full bg-pink-500 mr-1.5 align-middle shadow-[0_0_8px_#ff007f]" aria-label="Unread"></span> }
               {{ row.subject || '(no subject)' }}

frontend/src/app/pages/settings/mailboxes.section.ts

@@ -12,10 +12,8 @@ import { AuthService } from '../../core/auth.service';
   selector: 'app-mailboxes-section',
   imports: [FormsModule, MatIconModule],
   changeDetection: ChangeDetectionStrategy.OnPush,
-  // ячейка сетки настроек — сам элемент компонента: на две колонки
-  host: { class: 'block xl:col-span-2' },
   template: `
-    <section class="glass-panel static p-5 md:p-6" aria-labelledby="mailboxes-title">
+    <section class="glass-panel static p-5 md:p-6 xl:col-span-2" aria-labelledby="mailboxes-title">
       <h2 id="mailboxes-title" class="text-lg font-orbitron font-bold text-cyan-300 flex items-center gap-2 mb-4 border-b border-cyan-500/20 pb-2">
         <mat-icon class="text-pink-500">group</mat-icon> MAILBOXES
       </h2>