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/organization/investors/investors.component.scss

@@ -92,8 +92,9 @@ $gray-900: #202124;
   gap: 4px 16px;
   padding: 16px 24px;
 
-  @media (max-width: 768px) { grid-template-columns: 1fr; }
-  @media (max-width: 1024px) and (min-width: 769px) { grid-template-columns: repeat(2, 1fr); }
+  @media (width <= 768px) { grid-template-columns: 1fr; }
+
+  @media (width <= 1024px) and (width >= 769px) { grid-template-columns: repeat(2, 1fr); }
 }
 
 .inv-field {
@@ -105,7 +106,7 @@ $gray-900: #202124;
   align-items: center;
   padding-top: 4px;
 
-  @media (max-width: 768px) { padding-top: 0; }
+  @media (width <= 768px) { padding-top: 0; }
 }
 
 .inv-search-btn {
@@ -210,7 +211,7 @@ $gray-900: #202124;
     gap: 16px;
     margin-bottom: 16px;
 
-    @media (max-width: 600px) { grid-template-columns: 1fr; }
+    @media (width <= 600px) { grid-template-columns: 1fr; }
   }
 
   &__item {