- Set oom_score_adj=1000 in git hooks so OOM killer targets
pre-commit first, never crashing the PC
- Cap Node.js heap to 512MB for eslint/prettier/vitest
- Remove broken systemd-run cgroup wrapper (didn't work)
- cppcheck: process files one-at-a-time, --check-level=normal
- pytest: run packages sequentially in separate subprocesses
- Remove --force from cppcheck (exponential memory on #ifdef combos)
systemd-run --scope -p MemoryMax=3G per pytest subprocess so each
package gets its own memory cap, freed completely before the next.
Also use shutil.which + pathlib per ruff rules.