feat: MFA/2FA, OTP audit logs, KYC + client/user enhancements

- Access Control module: SMS/Email/TOTP/Hardware-token MFA factor management
- OTP Audit Logs module under Admin menu (list + detail) with 401/403 handling
- Two-factor authentication login flow updates
- Client KYC, India address, family-members, ckyc, nominee enhancements
- New shared KYC helpers (kyc-proof-types, kyc-upload-helper.service)
- User create/edit/view enhancements
- Shell navigation: OTP Audit Logs entry under real Admin menu

src/app/core/shell/shell.component.html

@@ -220,6 +220,9 @@
       <button mat-menu-item routerLink="/templates" tabindex="0">
         <i class="fa fa-file-alt menu-item-icon"></i> Templates
       </button>
+      <button mat-menu-item routerLink="/otp-audit-logs" tabindex="0">
+        <i class="fa fa-key menu-item-icon"></i> OTP Audit Logs
+      </button>
     </mat-menu>
 
     <!-- Sub Ledger Mega Menu -->

src/app/core/shell/toolbar/toolbar.component.html

@@ -342,6 +342,12 @@
     </mat-icon>
     <span>{{ 'labels.menus.Profile' | translate }}</span>
   </button>
+  <button mat-menu-item [routerLink]="['/access-control']" tabindex="0">
+    <mat-icon>
+      <fa-icon icon="shield-alt" size="sm"></fa-icon>
+    </mat-icon>
+    <span>Access Control</span>
+  </button>
   <button mat-menu-item [routerLink]="['/settings']" tabindex="0">
     <mat-icon>
       <fa-icon icon="cog" size="sm"></fa-icon>