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Takes the upstream delta e4fe007150..00910569e0 from just-every/code, our proximate upstream. hanzo/dev has no merge-base with any upstream (its history was rewritten, so every SHA differs while the root trees are identical), so this lands as a 3-way apply of the delta rather than a merge. Zero conflicts: the upstream delta touches 249 files, our fork diverges in 140, and the two sets intersect in exactly 2 files (protocol.rs, chatwidget.rs), both pure additions that leave every Hanzo identity line alone. Carries the surface the sandbox agent needs, with the codex PR numbers intact:57f42a8113tool search: no clone of immutable metadata on cache hits (#37279)e1831db7c3reuse MCP handlers across sampling steps (#37273)bfb6a6ea22plugin roots in the host skill loader (#37267)1151b23f01start cached MCP servers lazily for subagents (#37261)7a0e974e08harden network proxy MITM authorization (#37211)98da2c4499reserve the `tool_search` namespace for the search tool (#37188)1dc93cdeb0refresh the codex-rs mirror to codex main codex-rs/ is a vendored mirror that just-every refreshes wholesale; patching it directly would be overwritten by the next refresh, so we take their refresh instead of cherry-picking from openai/codex.
Thread Store
codex-thread-store is the storage boundary for Codex threads. It defines the
ThreadStore trait plus local and in-memory implementations. Other storage
implementations may live outside this repository.
Responsibilities
ThreadStore::append_itemsis the raw canonical history append API. It does not infer metadata from item contents.ThreadStore::update_thread_metadatais the only thread metadata write API. It accepts a single literal metadata patch shape, regardless of whether the caller is applying a user/API mutation or facts derived above the store from appended history.LiveThreadis the preferred API for active session persistence. It owns a per-thread metadata sync helper, applies the rollout persistence policy, appends canonical history, and then sends metadata patches throughThreadStore::update_thread_metadata.ThreadManagerroutes metadata mutations for loaded and cold threads through one entrypoint. Loaded threads use theirLiveThread; cold threads go directly to the store.LocalThreadStorepersists history throughcodex-rolloutJSONL files and persists queryable metadata through the SQLite state database when available. Local explicit metadata mutations also maintain JSONL/name-index compatibility so reading old or SQLite-less local storage keeps working.RolloutRecorderis the local JSONL writer. It writes already-canonical items forThreadStore::append_items; it no longer decides metadata updates for live thread-store appends.core/sessioncreates or resumesLiveThreadhandles and does not need to know whether persistence is backed by local files or another store.
Direction
New metadata observation semantics should live above ThreadStore. Stores
persist explicit metadata fields, but raw history appends remain history-only.