Baseline: source commit 14fe966, Python 3.10.18, 2026-10-28
events=100000, replay=25, iterations=100, samples=7
Full history query: median 0.4185 ms/op
Bounded history query: median 0.0011 ms/op
MemoryEventHistory.latest: median 0.0004 ms/op
EventBus.latest: median 0.0013 ms/op
EventBus.query(limit=replay): median 0.0021 ms/op
AsyncEventBus.latest: median 0.0013 ms/op
AsyncEventBus.query(limit=replay): median 0.0022 ms/op
EventBus replay subscription: median 0.0354 ms/op
AsyncEventBus replay subscription: median 0.0199 ms/op
