Configurable Compaction Warning Threshold to Prevent Conversation Degradation

Question

**Bug Description**
compaction causes Claude to behave inconsistently and seldom successfully. Prior warnings were critical to avoid the compaction-followed-by-sadness where claude undoes everything good in the initial conversation. Please revert your "we only show warnings at 80%" and/or make the percent user-configurable.

Also: while you're at it, please fix /config to **not revert prior edits**. Every time claude auto-updates, my prior config is deleted and it reverts to defaults. I'm using