Files
codex/codex-rs/state/src/model/mod.rs
jif-oai 4033f905c6 feat: resumable backfill (#10745)
## Summary

This PR makes SQLite rollout backfill resumable and repeatable instead
of one-shot-on-db-create.

## What changed

- Added a persisted backfill state table:
  - state/migrations/0008_backfill_state.sql
- Tracks status (pending|running|complete), last_watermark, and
last_success_at.
- Added backfill state model/types in codex-state:
  - BackfillState, BackfillStatus (state/src/model/backfill_state.rs)
- Added runtime APIs to manage backfill lifecycle/progress:
  - get_backfill_state
  - mark_backfill_running
  - checkpoint_backfill
  - mark_backfill_complete
- Updated core startup behavior:
- Backfill now runs whenever state is not Complete (not only when DB
file is newly created).
- Reworked backfill execution:
- Collect rollout files, derive deterministic watermark per path, sort,
resume from last_watermark.
- Process in batches (BACKFILL_BATCH_SIZE = 200), checkpoint after each
batch.
  - Mark complete with last_success_at at the end.

## Why

Previous behavior could leave users permanently partially backfilled if
the process exited during initial async backfill. This change allows
safe continuation across restarts and avoids restarting from scratch.
2026-02-05 14:34:34 +00:00

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Rust

mod backfill_state;
mod log;
mod thread_memory;
mod thread_metadata;
pub use backfill_state::BackfillState;
pub use backfill_state::BackfillStatus;
pub use log::LogEntry;
pub use log::LogQuery;
pub use log::LogRow;
pub use thread_memory::ThreadMemory;
pub use thread_metadata::Anchor;
pub use thread_metadata::BackfillStats;
pub use thread_metadata::ExtractionOutcome;
pub use thread_metadata::SortKey;
pub use thread_metadata::ThreadMetadata;
pub use thread_metadata::ThreadMetadataBuilder;
pub use thread_metadata::ThreadsPage;
pub(crate) use thread_memory::ThreadMemoryRow;
pub(crate) use thread_metadata::ThreadRow;
pub(crate) use thread_metadata::anchor_from_item;
pub(crate) use thread_metadata::datetime_to_epoch_seconds;