Track inherited paginated rollout prefixes - #33930
Merged
copyberry[bot] merged 1 commit intoJul 18, 2026
Merged
Conversation
## What changed - Add `HistoryPosition` to identify a source thread and an exclusive rollout prefix by ordinal and JSONL byte offset. - Add optional `history_base` metadata to `SessionMeta` so a thread can record an inherited prefix of another paginated rollout. - Default missing `history_base` metadata to `None` and omit it when unset to preserve compatibility with existing rollout metadata. ## Testing - Verify that legacy session metadata without `history_base` deserializes with no inherited history position. GitOrigin-RevId: 3b2b07a2dfee793d3b37b0a60529f856f167dbc1
copyberry
Bot
force-pushed
the
copyberry/codex-internal-to-codex-oss/3b2b07a2dfee793d3b37b0a60529f856f167dbc1
branch
from
July 18, 2026 00:07
8b8f077 to
bcdc695
Compare
copyberry
Bot
deleted the
copyberry/codex-internal-to-codex-oss/3b2b07a2dfee793d3b37b0a60529f856f167dbc1
branch
July 18, 2026 00:08
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to subscribe to this conversation on GitHub.
Already have an account?
Sign in.
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Track inherited paginated rollout prefixes
What changed
HistoryPositionto identify a source thread and an exclusive rolloutprefix by ordinal and JSONL byte offset.
history_basemetadata toSessionMetaso a thread can recordan inherited prefix of another paginated rollout.
history_basemetadata toNoneand omit it when unset topreserve compatibility with existing rollout metadata.
Testing
history_basedeserializes withno inherited history position.