Files
turnstone/tests
Patrick Buckley c988c9ed1f test(console): pin system-turn dedupe wiring on both read paths
The live-SSE/history system-turn dedupe (renderedSystemEventIds /
_renderedSystemEventIds) was already in place on both panes and merged
to main (21af6c4 aligned the persisted row event_id with its SSE event;
09e41d1 added the belt-and-braces Set on the coordinator). The existing
pin tests only assert the Set's .has()/.add()/.clear() symbols appear
somewhere in the file, so a refactor that keeps the Set but short-circuits
the live-handler consultation (guard -> false) re-opens the double-render
while the pins stay green.

Scope the new assertions to their blocks: the live system_turn case must
CONSULT and RECORD against the Set, and the history render path
(replayHistory / refetchHistory's system-role branch) must record each
replayed row's event_id. Bounded at the next switch case rather than the
first break; the dedup-skip path itself breaks before the .add(), so a
break-bounded slice would drop the record half.

Verified the new slice checks fail on a dedupe-neutered factory (a
headless-Chrome harness driving the real createCoordinatorPane confirms
that neutering produces two rendered nodes for one event id; intact code
renders one, and the no-event-id legacy path still renders both).
2026-06-11 01:13:21 -07:00
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