```

feat(regional_agent): 完善代理佣金配置逻辑和状态管理

application/admin/controller/shopro/regional_agent/Agent.php

@@ -255,9 +255,13 @@ class Agent extends Base
 
     protected function buildCommissionData($data)
     {
-        $useCustom = isset($data['use_custom_commission'])
-            ? boolval($data['use_custom_commission'])
-            : !empty($data['commission_type']);
+        if (array_key_exists('use_custom_commission', $data)) {
+            $useCustom = filter_var($data['use_custom_commission'], FILTER_VALIDATE_BOOLEAN);
+        } else {
+            $hasRate = isset($data['commission_rate']) && $data['commission_rate'] !== '' && $data['commission_rate'] !== null;
+            $hasMoney = isset($data['commission_money']) && $data['commission_money'] !== '' && $data['commission_money'] !== null;
+            $useCustom = !empty($data['commission_type']) && ($hasRate || $hasMoney);
+        }
 
         if (!$useCustom) {
             return [