Add employee presence with kiosk sign-in, QR badges, and mobile step-out.

Enables staff roster, PIN/code kiosk flow, attendance reports, evacuation staff roll call, webhooks, branch mismatch warnings, and a linked-user My presence portal.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Services/Frontdesk/NotificationDispatcher.php

@@ -5,6 +5,7 @@ namespace App\Services\Frontdesk;
 use App\Models\Host;
 use App\Models\Member;
 use App\Models\Organization;
+use App\Models\EmployeePresence;
 use App\Models\User;
 use App\Models\Visitor;
 use App\Models\Visit;
@@ -143,6 +144,20 @@ class NotificationDispatcher
         );
     }
 
+    public function employeeOverdueReturn(EmployeePresence $presence): void
+    {
+        $presence->load(['employee.organization']);
+        $employee = $presence->employee;
+        $expected = $presence->expected_return_at?->format('g:i A') ?? 'the expected time';
+
+        $this->notifyStaffUsers(
+            $employee->organization,
+            'employee_overdue_return',
+            'Employee overdue to return',
+            "{$employee->full_name} was expected back by {$expected} ({$presence->destination}).",
+        );
+    }
+
     /** @param  array<string, mixed>  $meta */
     protected function dispatchVisitEvent(
         Visit $visit,