Two ungated one-liners, because no bench here reached the failing path and
the next playtest is a better instrument than more automation:
[glasswin] destroy entry #N windows=M -- N=2,M=0 is the double-destroy
[glasswin] saved ... (live=L remembered=R) -- live=0 IS the corruption case
(pre-cache that wrote a file
holding only the plasma line)
Also lands the benches that did NOT reproduce it, with their failure modes
recorded in the headers so the next attempt does not repeat them:
layoutsave.sh (round trip -- passes on the fixed build), layoutteardown.sh
(graceful WM_CLOSE; still never reaches the dtor chain), layoutround.sh (MP
round boundary; the relay never started the mission inside the window).
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NCJQkvq6G2JNrpVbA75tVZ
