Memory management in Claude Code: Session Memory and Safe Compaction

This is Part 2 of the series. If you have not read the first post yet, start with Part 1 . In Part 1, I looked at the first half of the memory pipeline: slicing history after the last compact boundary budgeting large tool results using microcompact for cheap cleanup triggering auto-compact with a policy instead of a last-second token check That already solves a big part of the problem. But once those cheaper layers are no longer enough, the system needs to do something more expensive without los