mirror of
https://github.com/bytedance/deer-flow.git
synced 2026-08-09 14:28:40 +00:00
80848837b7
* feat(runtime): seed empty run-event feed from checkpoint history Threads created before the journaled run-event model hold their history only in the LangGraph checkpoint. Before the first journaled run, backfill an empty run-event message feed from the existing checkpoint head so legacy history receives earlier thread-global seq numbers and remains visible in the unified feed. Threads with no checkpoint or an already populated feed skip the path. The seed guard resolves the user explicitly instead of relying on the store's AUTO default, which raises without a user contextvar (scheduler launch path on the DB event store). * docs: document checkpoint history seeding in thread runs Before the first journaled run, an empty run-event message feed is seeded from an existing checkpoint head so legacy checkpoint-only history stays visible with earlier thread-global sequence numbers. * fix(gateway): make checkpoint-history seed guard thread-scoped The emptiness guard filtered by the current user whenever one was in context, answering "does this user have any messages?" rather than "has this thread's feed ever been journaled?". Seed rows stamped with a different principal (NULL for ownerless seeds, or another user on a shared NULL-owner thread) were invisible to the guard, so each new principal re-seeded a duplicate history. Pass user_id=None unconditionally; None also opts out of AUTO resolution, so the ownerless scheduler path still cannot raise. Adds a DbRunEventStore-backed regression test (the MemoryRunEventStore tests cannot catch this — the memory store ignores user_id) proving the ownerless-seed -> authenticated-run sequence seeds exactly once.