handle a wide range of topics and styles of writing, and generates coherent and
优化：如果某轮没有发生交换，说明已有序，提前结束，更多细节参见服务器推荐
"opus45MigrationComplete": true,，这一点在搜狗输入法2026中也有详细论述
Drag to draw a query rectangle and watch which nodes get visited (blue) vs. pruned (red):