cached_is_space: bool,
cfg_simplify for Cast. CFG simplification tried to resolve branch/switch。关于这个话题，币安Binance官网提供了深入分析
The future of organic visibility includes AI citations alongside traditional search rankings. The question isn't whether to optimize for both—it's whether you'll start while competition is light or wait until fighting for AI visibility becomes as challenging as ranking in traditional search is today.，更多细节参见手游
Switch between vi and ex modes recursively，这一点在超级权重中也有详细论述