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/client-stepper/client-entity-kyc-step/client-entity-kyc-step.component.scss

@@ -12,7 +12,7 @@
   &__left { display: flex; align-items: center; gap: 12px; }
   &__icon { font-size: 18px; color: #60a5fa; }
   &__title { font-size: 16px; font-weight: 600; color: #fff; margin: 0; }
-  &__sub { font-size: 11px; color: rgba(255,255,255,0.5); margin: 2px 0 0; }
+  &__sub { font-size: 11px; color: rgb(255 255 255 / 50%); margin: 2px 0 0; }
 }
 
 .ec-chips-label {
@@ -133,6 +133,7 @@
   grid-template-columns: repeat(2, 1fr);
   gap: 8px;
   margin-bottom: 8px;
+
   mat-checkbox {
     padding: 8px 12px;
     border: 1px solid #e2e8f0;
@@ -197,8 +198,9 @@
   margin-top: 12px;
 }
 
-@media (max-width: 900px) { .ec-grid-3 { grid-template-columns: repeat(2, 1fr); } }
-@media (max-width: 600px) {
+@media (width <= 900px) { .ec-grid-3 { grid-template-columns: repeat(2, 1fr); } }
+
+@media (width <= 600px) {
   .ec-grid-3, .ec-grid-2 { grid-template-columns: 1fr; }
   .ec-check-grid { grid-template-columns: 1fr; }
   .ec-card-head { padding: 12px 14px; }