The review found the 64 MiB parse cap contradicted the load-time budget bound:
maxLogBytes/maxValueBytes could be configured up to ceiling - envelope (~256 MiB),
but the receive path silently dropped any frame past the 64 MiB parser cap, so an
honest child's budget-internal done frame under such a config would be discarded
and the run stranded to the wall clock. The load bound is now parse-cap -
envelope, so a configured budget always fits through the parser; the boundary
test moves to 64 MiB - 64. The >64 MiB model-constructed binding-argument drop
is registered as an accepted residual in the README (en + zh).
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