feat: Client & CKYC UI improvements — filters, KYC management, image crop+merge

- Clients list: CKYC icon, CKYC Number column, status/legal form/CKYC filters
- CKYC: SFTP upload logs, date formatting, modal z-index fix, non-dismissible dialogs
- KYC Management: new standalone module with alert dashboard, notification scheduler, audit inventory, account status
- Image cropper: ngx-image-cropper integration for front+back document merge into single PNG
- Sidebar: KYC Management menu entry after CKYC

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/clients/clients-view/entity-classification-tab/entity-classification-tab.component.scss

@@ -8,6 +8,7 @@
 .ec-header {
   display: flex; align-items: center; justify-content: space-between;
   margin-bottom: 16px;
+
   h3 { font-size: 16px; font-weight: 600; color: #1e293b; display: flex; align-items: center; gap: 8px;
     fa-icon { color: #1565c0; }
   }
@@ -55,6 +56,6 @@
 .ec-card__label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: #94a3b8; font-weight: 500; }
 .ec-card__value { font-size: 13px; font-weight: 500; color: #1e293b; }
 
-@media (max-width: 768px) {
+@media (width <= 768px) {
   .ec-card__grid { grid-template-columns: repeat(2, 1fr); }
 }