RootCauseunvalidated
the parser's `if rec.get("type") != "message"` early-return dropped everything. Outcome: the ancient-skip branch was still calling closed.add(sid) on the persisted set.
6100456d-ef0b-4d53-a431-becbe0691226
the parser's if rec.get("type") != "message" early-return dropped everything. Outcome: the ancient-skip branch was still calling closed.add(sid) on the persisted set.