Resolves bin/gstack-eval-plan help and docs/skills.md by keeping both sides (#3708's results --check and this PR's per-arm report and --seat-metered text). Raises the eval-plan eager context ceiling 4887 -> 5021 (+134 tok): #3708 and this PR each fit alone; together eval-plan/SKILL.md measures 5021.
Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>