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/OrganizationResolver.php

@@ -3,6 +3,7 @@
 namespace App\Services\Frontdesk;
 
 use App\Models\Branch;
+use App\Models\Employee;
 use App\Models\Host;
 use App\Models\Member;
 use App\Models\Organization;
@@ -109,6 +110,19 @@ class OrganizationResolver
             ->first();
     }
 
+    public function employeeFor(User $user): ?Employee
+    {
+        $organization = $this->resolveForUser($user);
+        if (! $organization) {
+            return null;
+        }
+
+        return Employee::where('organization_id', $organization->id)
+            ->where('user_ref', $user->ownerRef())
+            ->where('active', true)
+            ->first();
+    }
+
     /** Branch ID the member may access; null = all branches. */
     public function branchScope(?Member $member): ?int
     {