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AI agent memory architecture

A collection of 2 posts

Codex Exposes Safety Buffering and Context Compaction as Runtime State

Codex Exposes Safety Buffering and Context Compaction as Runtime State

The most important Codex updates this morning are not new buttons, model names, or demo-friendly tricks. They are the kind of runtime plumbing users only notice when it fails: a safety review state that used to look like a hung agent, and a context-management escape hatch that admits automatic compaction

Codex Alpha 10 Moves Sandbox Policy and Notebook-Style State Out of the Prompt Box

Codex Alpha 10 Moves Sandbox Policy and Notebook-Style State Out of the Prompt Box

The interesting thing about OpenAI Codex 0.142.0-alpha.10 is not that the release body says almost nothing. That is normal for these alpha drops. The interesting thing is what the compare view says when you stop treating coding agents as chat boxes and start treating them as distributed