feat: R27-2 R27-5 优化企微入口与 Portal 体验

server/src/routes/portal.js

@@ -473,7 +473,7 @@ async function portalRoutes(fastify) {
 
     return sendData(reply, request, {
       workspace,
-      greeting: { name: request.employee.name ?? request.employee.id },
+      greeting: { name: request.employee.name || request.employee.id },
       cards,
       pendingTasks: { count: pendingTaskCount, href: "/workflow/tasks" },
       myApplications: [