Add freemium plans, wallet-billed host notifications, and Pro upgrades.

Host alerts use email/phone on the host record without requiring a Ladill
account link; SMS and over-quota emails debit the org wallet at platform rates.

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

app/Http/Controllers/Frontdesk/BranchController.php

@@ -38,6 +38,14 @@ class BranchController extends Controller
         $this->authorizeAbility($request, 'admin.branches.manage');
         $organization = $this->organization($request);
 
+        $currentCount = Branch::owned($this->ownerRef($request))
+            ->where('organization_id', $organization->id)
+            ->count();
+
+        if (! app(\App\Services\Frontdesk\PlanService::class)->canAddBranch($organization, $currentCount)) {
+            return back()->withInput()->with('error', 'Your plan allows one branch. Upgrade to Frontdesk Pro for unlimited branches.');
+        }
+
         $validated = $request->validate([
             'name' => ['required', 'string', 'max:255'],
             'code' => ['nullable', 'string', 'max:50'],