codex

mirror of https://github.com/openai/codex.git synced 2026-10-20 17:38:45 +00:00

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rhan-oai cb03f28a40 Refresh model instructions in incremental-tool context windows (#53872 )

## Why

Incremental-tool windows recorded base instructions only at setup, so a catalog refresh for the same model could leave active instructions stale. Instruction changes need to reach the model without rewriting the existing history prefix.

## What changed

- Track model identity and instruction content independently, appending a `model_instructions` developer message when either changes. Explicitly mark replacement or removal of base instructions, and avoid repeating unchanged updates.
- Start new windows after compaction with the latest model instructions while preserving custom base instructions.
- Preserve the recorded window base during local compaction retries, including empty instructions, and rebuild current model instructions when reconstructing child context.

## Testing

Add integration tests and request snapshots for catalog refreshes, instruction removal, model switches, compaction, restart, and forks. Extend regression coverage for legacy snapshots and local compaction retries.

GitOrigin-RevId: eeca69067b4d9cd91c817732d79b4d5c1faa18b9

2026-10-14 05:36:44 +00:00

common

Keep discovered Apps tools available during startup recovery (#53672 )

2026-10-13 13:59:41 +00:00

remote_env_windows

Bind capability roots to environment selections (#51493 )

2026-10-06 22:39:32 +00:00

suite

Refresh model instructions in incremental-tool context windows (#53872 )

2026-10-14 05:36:44 +00:00

all.rs

[codex] Use expect in integration tests (#28441 )