R23-3：完成项目页与Portal收口面板

client/src/pages/FeatureFlagsPage.tsx

@@ -44,6 +44,12 @@ function toDisplayName(flagKey: string) {
   if (flagKey === "weekly_report_v1") return "周报工作台";
   if (flagKey === "employee_lifecycle_v1") return "人员生命周期";
   if (flagKey === "todo_board_v1") return "待办工作台";
+  if (flagKey === "project_domain_v1") return "项目主域";
+  if (flagKey === "project_linking_v1") return "项目联动";
+  if (flagKey === "project_communication_log_v1") return "项目沟通回填";
+  if (flagKey === "project_closure_checklist_v1") return "项目收口清单";
+  if (flagKey === "confidential_doc_refs_v1") return "涉密资料引用";
+  if (flagKey === "public_security_hardening_v1") return "公网安全强化";
   return flagKey;
 }