codex

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felixxia-oai 4636819a35 Harden Guardian reviews after context compaction (#42852 )

## Why

Guardian reviews must not lose user authorization constraints or reuse an
unreadable or incompatible parent checkpoint after compaction.

## What changed

- Retain bounded excerpts of oversized root user messages across compaction,
  resume, and rollback, and recover excerpts from legacy Guardian history when
  available.
- Require thread-owned Guardian review sessions and asynchronous scoring to
  reuse only non-empty checkpoints produced by a compatible review model.
- Fail closed instead of reviewing without the required checkpoint when reuse
  is disabled, compatibility is unknown, or checkpoint content is unusable.

## Testing

Expanded retained-context, review-session, asynchronous-scoring, and app-server
coverage for oversized instructions, legacy recovery, model incompatibility,
missing content, resume, rollback, and disabled checkpoint reuse.

GitOrigin-RevId: f30d837197e0d838e656a632109f490c38208f5e

2026-09-04 21:07:14 +00:00

agent

Unify turn input submission and routing (#38275 )

2026-08-13 00:00:16 +00:00

connectors

Harden unsandboxed patch filesystem access (#39659 )

2026-08-20 08:10:08 +00:00

extension-api

Retain user instructions in Guardian context (#42844 )

2026-09-04 20:27:18 +00:00

git-attribution

Apply Codex attribution to app-created commits (#38419 )