feat: 宏观状态动态从主干任务获取+任务树assignee中文姓名映射(后端+前端)

frontend/src/pages/admin/AdminTasksPage.tsx

@@ -413,6 +413,7 @@ export default function AdminTasksPage() {
                                   tasks={tree.task_tree}
                                   onAction={setModalTarget}
                                   currentUser={currentUser}
+                                  assigneeNames={tree.assignee_names}
                                 />
                               ) : (
                                 <div className="flex flex-col items-center justify-center py-12 text-gray-400">