Merge dev into demo-backup

Brings in all of dev's latest content not present on demo-backup
(Share Withdrawal/Closure feature, TDS reports, KYC exception tracking,
client-edit-email-dialog, form121 tab, search-select) while preserving
demo-backup's own unique changes (wrapping Approval Center tab nav,
Loan Origination/Investment mega-menus). 36 files that a prior "ours
wins" conflict resolution had silently dropped were restored explicitly
from dev's tip.

src/app/core/authentication/authentication.service.ts

@@ -384,6 +384,14 @@ export class AuthenticationService {
     return JSON.parse(this.storage.getItem(this.credentialsStorageKey));
   }
 
+  /** Returns true when the logged-in user is at Head Office rather than a branch login. */
+  isHeadOfficeUser(): boolean {
+    const creds = this.getCredentials();
+    if (!creds) return false;
+    if (creds.officeId === 1) return true;
+    return (creds.officeName || '').toLowerCase().includes('head office');
+  }
+
   /** Returns true when the logged-in user has the "Clerk" role. */
   isClerkUser(): boolean {
     const creds = this.getCredentials();