Plan correction E: cp -r replaced with find-loop that strips .template
suffix on copy. Without this Test 3 (project mode: CLAUDE.md copied) can't
pass — fixture creates CLAUDE.md.template, target expects CLAUDE.md.
Real intent: brain stores templates as *.template, consumed without suffix.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Дмитрий