v1.6.6

• Suppress repeated CTT (CreateThreadedTrains) warning logs when train calculation fails — only logs once per error type
• Fix physics structures spamming logs when repeatedly out of world bounds

⚠️ 警告/WARNING：本版本存在一定代码错误问题导致和CTT不兼容！！请使用167 / This version has certain code errors that cause compatibility issues with CTT!! Please use 167