knowledge: PID-1 tee log capture pattern, BSD/GNU date %3N feature detection#3

dch0202-rsquare wants to merge 4 commits into

choiyounggi:mainchoiyounggi/dev-loop:mainfrom

dch0202-rsquare:knowledge/dch0202-rsquare-20260715-125816dch0202-rsquare/dev-loop:knowledge/dch0202-rsquare-20260715-125816Copy head branch name to clipboard