resume_reliability.sh counts, per boot, whether the title's loader thread became
the CALLER of a kernel call. Counting boots where the press reached the title:
before the fix 1 of 5 ran the loader; after it, 5 of 5. Three of the post-fix
boots were driven far enough to classify the screen and all three reached the
MAIN MENU, each with the same shape - title at 216-252s, 40 kernel calls by the
loader, 6 ResolvePath reads. The failing boots before had zero of both, every
time.
Caveat kept in the doc: pre-fix runs were interleaved with compiles and a race is
load-sensitive, so the counts corroborate the mechanism rather than carry it.
Also fixes a self-inflicted confound. Two runs came back 'title_at_s=none' with
the emulator log ending in 'Killed', which I first read as the title detector
being too strict. It was not: an earlier copy of the script was still running
because 'pkill -f resume_reliability.sh' had matched the shell running it rather
than the script, and each of that copy's iterations kills the emulator BY NAME -
outside run-canary's lockfile. The harness now takes its own lockfile and refuses
a second copy, and the note records that pkill -f matches your own shell.
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