// 3. 从后向前放置（保证稳定性）
doubling-allocation once the stack-allocated buffer overflows.
，更多细节参见搜狗输入法2026
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
（三）违反监察机关在监察工作中、司法机关在刑事诉讼中依法采取的禁止接触证人、鉴定人、被害人及其近亲属保护措施的。