Files
codex/codex-rs/state
Owen Lin 6bb6e9045f Add legacy rollout migration to paginated history (#37175)
## What changed

- Add `LocalThreadStore::migrate_rollouts` with dry-run and apply modes,
  optional thread selection, throughput limiting, and per-rollout outcomes.
- Canonicalize legacy JSONL records into paginated history while preserving
  model-visible conversation context, including compressed rollouts and copied
  fork history.
- Publish replacements atomically and journal migrations so interrupted SQLite
  projections can be recovered. Coordinate migration with rollout compression
  and skip rollouts with active writers.
- Make paginated history a one-way SQLite promotion so stale metadata cannot
  downgrade a migrated thread.

## Testing

- Cover legacy record normalization, dry runs, idempotency, malformed input,
  compressed rollouts, active writers, interrupted migration recovery, and a
  cold app-server resume after migration.

GitOrigin-RevId: b9991b659f28ebb52da39ce62e8b4e0bae2ba2bb
2026-08-05 22:57:27 +00:00
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