Веб-почта: левое меню вровень с панелью — sticky top 96 → 80 px

Без прокрутки меню стоит на ~86 px, а sticky top-24 (96 px) сдвигал его ниже панели.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/src/main/java/com/mailserver/controller/MailboxAdminController.java

@@ -43,7 +43,7 @@ public class MailboxAdminController {
 
     private static final Logger log = LoggerFactory.getLogger(MailboxAdminController.class);
     private static final Pattern LOCAL_PART = Pattern.compile("[a-z0-9](?:[a-z0-9._+-]{0,62}[a-z0-9])?");
-    private static final int MIN_PASSWORD = 8;
+    private static final int MIN_PASSWORD = 10;
 
     public record MailboxView(Long id, String email, String displayName, boolean active, boolean admin,
                               long usedBytes, long quotaBytes, Instant createdAt) {

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>