Tighten Pro alert caps and move custom badges to Enterprise.

Pro includes 5,000 email and 5,000 SMS host alerts per month with hard
monthly caps; Enterprise is unlimited. Custom badge templates are
Enterprise-only, and plan benefit copy matches the new limits.

app/Services/Frontdesk/PlanService.php

@@ -49,7 +49,10 @@ class PlanService
         ];
     }
 
-    /** Null means unlimited included host emails (Pro / Enterprise). */
+    /**
+     * Included host emails per calendar month.
+     * Null means unlimited (Enterprise). Free/Pro use finite allowances.
+     */
     public function freeEmailsPerMonth(Organization $organization): ?int
     {
         $value = config('frontdesk.plans.'.$this->planKey($organization).'.free_emails_per_month', 100);
@@ -57,6 +60,44 @@ class PlanService
         return $value === null ? null : (int) $value;
     }
 
+    /**
+     * Included host SMS per calendar month.
+     * Null means unlimited (Enterprise). 0 means none included.
+     */
+    public function freeSmsPerMonth(Organization $organization): ?int
+    {
+        $plan = (array) config('frontdesk.plans.'.$this->planKey($organization), []);
+        if (! array_key_exists('free_sms_per_month', $plan)) {
+            return 0;
+        }
+
+        $value = $plan['free_sms_per_month'];
+
+        return $value === null ? null : (int) $value;
+    }
+
+    /**
+     * Paid plans with a finite allowance stop sending once the monthly cap is hit.
+     * Free keeps pay-as-you-go after its free email allowance.
+     */
+    public function emailAllowanceExhausted(Organization $organization, int $sentThisMonth): bool
+    {
+        $allowance = $this->freeEmailsPerMonth($organization);
+
+        return $this->hasPaidPlan($organization)
+            && $allowance !== null
+            && $sentThisMonth >= $allowance;
+    }
+
+    public function smsAllowanceExhausted(Organization $organization, int $sentThisMonth): bool
+    {
+        $allowance = $this->freeSmsPerMonth($organization);
+
+        return $this->hasPaidPlan($organization)
+            && $allowance !== null
+            && $sentThisMonth >= $allowance;
+    }
+
     public function activeBranchCount(Organization $organization): int
     {
         return Branch::query()