null로 저장되게 성공시킴

frontend/components/admin/RestApiConnectionModal.tsx

@@ -226,7 +226,7 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
         endpoint_path: endpointPath || undefined,
         default_headers: defaultHeaders,
         default_method: defaultMethod,
-        default_body: defaultBody || undefined,
+        default_body: defaultBody.trim() || null, // 빈 문자열이면 null로 전송하여 DB 업데이트
         auth_type: authType,
         auth_config: authType === "none" ? undefined : authConfig,
         timeout,
@@ -236,6 +236,13 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
         is_active: isActive ? "Y" : "N",
       };
 
+      console.log("저장하려는 데이터:", {
+        connection_name: connectionName,
+        default_method: defaultMethod,
+        endpoint_path: endpointPath,
+        base_url: baseUrl,
+      });
+
       if (connection?.id) {
         await ExternalRestApiConnectionAPI.updateConnection(connection.id, data);
         toast({
@@ -303,7 +310,13 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
                 기본 URL <span className="text-destructive">*</span>
               </Label>
               <div className="flex gap-2">
-                <Select value={defaultMethod} onValueChange={setDefaultMethod}>
+                <Select 
+                  value={defaultMethod} 
+                  onValueChange={(val) => { 
+                    setDefaultMethod(val);
+                    setTestMethod(val); // 테스트 Method도 동기화
+                  }}
+                >
                   <SelectTrigger className="w-[100px]">
                     <SelectValue placeholder="Method" />
                   </SelectTrigger>