Render gRPC message body

src-web/components/GrpcEditor.tsx

@@ -106,6 +106,8 @@ export function GrpcEditor({
     <div className="h-full w-full grid grid-cols-1 grid-rows-[minmax(0,100%)_auto_auto_minmax(0,auto)]">
       <Editor
         contentType="application/grpc"
+        autocompleteVariables
+        useTemplating
         forceUpdateKey={request.id}
         defaultValue={request.message}
         format={tryFormatJson}