Owen Lin 05f000263b Support paginated thread forks (#35220) ...

## Why

`thread/fork` rejected threads using paginated history, so they could not use the same fork workflow as legacy threads.

## What changed

- Create paginated forks by referencing a frozen source-history prefix while persisting only child-owned records in the new rollout.
- Support latest, `lastTurnId`, and `beforeTurnId` boundaries, including inherited lineage, model-context reconstruction, interruption markers, and approval-reviewer inheritance.
- Make paginated reads and occurrence search traverse referenced history while excluding source records added after the fork.
- Coordinate fork preparation with archive and delete operations, and materialize compressed rollouts before they become fork references.

## Testing

Added app-server and thread-store coverage for boundary selection, active turns, inherited reads and search, compressed lineage, and concurrent source lifecycle operations.

GitOrigin-RevId: 66052d69517d7fb97a3b7817ab77a39c5ad995fd

2026-07-24 17:31:55 +00:00

..

src

Support paginated thread forks (#35220)

2026-07-24 17:31:55 +00:00

BUILD.bazel

Extract rollout into its own crate (#15548)

2026-03-24 18:10:53 -07:00

Cargo.toml

Honor the configured SQLite home across state consumers (#34994)

2026-07-23 19:19:35 +00:00