__luxarDebug.cache.getStats().l2.writes, or null when unavailable. The
LIVENESS counterpart of readOpfsDropped: zero drops is only good news
if the tier actually wrote something, and an L2 that never ran (no store, or
the OPFS circuit breaker tripped) reports zero drops too.
__luxarDebug.cache.getStats().l2.writes, or null when unavailable. The LIVENESS counterpart of readOpfsDropped: zero drops is only good news if the tier actually wrote something, and an L2 that never ran (no store, or the OPFS circuit breaker tripped) reports zero drops too.