- Add post-test verification steps after all test execution points in pdftract-ci.yaml
- Verification runs in 6 locations: glibc (cgroup v2/v1/no-cgroup) and musl (cgroup v2/v1/no-cgroup)
- Integrates existing check-orphaned-processes.sh script via post-test-check.sh wrapper
- Verification automatically kills orphaned processes and reports status
- All acceptance criteria PASS: verification runs after tests, output visible in logs, orphans flagged, works in both CI and local environments
Verification: notes/bf-i1e5d.md
Closes bf-i1e5d
