Add branch count control to Queue plans page.

Match Care/Frontdesk: branches stepper next to billing period, live
totals, and checkout charges for the selected seat count.

app/Http/Controllers/Qms/ProController.php

@@ -67,16 +67,23 @@ class ProController extends Controller
                 ->with('success', 'Your organization already has an active paid plan.');
         }
 
+        $validated = $request->validate([
+            'branches' => ['required', 'integer', 'min:1', 'max:999'],
+        ]);
+
+        $branches = $plans->resolveCheckoutBranches($organization, (int) $validated['branches']);
+        $amountMinor = $plans->priceForBranches('pro', $branches);
+
         return $this->chargeMonthlyWallet(
             $organization,
             $billing,
-            $plans->proPriceMinor($organization),
+            $amountMinor,
             'pro',
             'queue_pro',
             'queue-pro-'.$organization->id.'-'.now()->format('Y-m-d-His'),
-            'Ladill Queue Pro — monthly subscription',
+            'Ladill Queue Pro — '.$branches.' branch(es) monthly',
             'Welcome to Queue Pro — active for one month.',
-            $plans->activeBranchCount($organization),
+            $branches,
         );
     }
 
@@ -97,16 +104,23 @@ class ProController extends Controller
                 ->with('error', "Enterprise billing requires at least {$min} active branches. Add another branch or choose Pro for a single site.");
         }
 
+        $validated = $request->validate([
+            'branches' => ['required', 'integer', 'min:1', 'max:999'],
+        ]);
+
+        $branches = $plans->resolveCheckoutBranches($organization, (int) $validated['branches']);
+        $amountMinor = $plans->priceForBranches('enterprise', $branches);
+
         return $this->chargeMonthlyWallet(
             $organization,
             $billing,
-            $plans->enterprisePriceMinor($organization),
+            $amountMinor,
             'enterprise',
             'queue_enterprise',
             'queue-enterprise-'.$organization->id.'-'.now()->format('Y-m-d-His'),
-            'Ladill Queue Enterprise — monthly subscription',
+            'Ladill Queue Enterprise — '.$branches.' branch(es) monthly',
             'Welcome to Queue Enterprise — active for one month.',
-            $plans->activeBranchCount($organization),
+            $branches,
         );
     }
 
@@ -116,6 +130,7 @@ class ProController extends Controller
         $validated = $request->validate([
             'plan' => ['required', 'in:pro,enterprise'],
             'months' => ['required', 'integer', 'in:6,12,24'],
+            'branches' => ['required', 'integer', 'min:1', 'max:999'],
         ]);
 
         $organization = $this->organization($request);
@@ -134,11 +149,8 @@ class ProController extends Controller
                 ->with('error', "Enterprise billing requires at least {$min} active branches.");
         }
 
-        $monthlyMinor = $plan === 'enterprise'
-            ? $plans->enterprisePriceMinor($organization)
-            : $plans->proPriceMinor($organization);
-        $amountMinor = $monthlyMinor * $months;
-        $branches = $plans->activeBranchCount($organization);
+        $branches = $plans->resolveCheckoutBranches($organization, (int) $validated['branches']);
+        $amountMinor = $plans->priceForBranches($plan, $branches) * $months;
 
         $metadata = [
             'organization_id' => $organization->id,