Files
codex/codex-rs/features
felixxia-oai 53aa7bb1aa Bound Guardian v2 parent compaction context (#38980)
## What changed

- Add `max_parent_compaction_tokens`, defaulting to 25,000 tokens, to the Guardian v2 feature configuration.
- Reuse the latest encrypted parent compaction only when its complete serialized item fits within the configured limit.
- Fail closed with the maximum action-risk score when the latest encrypted compaction is oversized, instead of sampling with older context.

## Testing

- Cover exact-boundary and oversized compaction items, including oversized passthrough metadata.
- Verify that an oversized latest compaction bypasses sampling and prevents approval.

GitOrigin-RevId: 0b308e7bec0f41d46433dfdf656948cee5cba667
2026-08-17 10:18:24 +00:00
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