checkpoint agents

extracurricular-ai/codex-rewind

Agent

Agent "orchestrator" from extracurricular-ai/codex-rewind, covering user updates spec, reviews and general guidelines.

cdeust/session-optimizer

Agent

Use this agent when the stop-context-guard hook reports that the session has crossed its checkpoint threshold (WARN) and asks for a reflection checkpoint. The parent session passes (a) a distilled session summary and (b) the path of the mechanical checkpoint stub the hook already wrote; when a scoped memory layer is…