- README: add a visible ## Security section (official sources, vuln reporting via SECURITY.md, GateGuard/IOC/AgentShield guardrails, security guide); make stats line a plain paragraph to clear MD028
- eslint: empty catch comment in run-with-flags.js; drop unneeded escape in github-coordination/parsing.js; remove unused execFileSync import in its test (#2236 follow-ups)
- markdownlint: wrap bare URLs in rules/vue/*.md (#2250 follow-up)
npm run lint green; full suite 2836/2836.