Reintroduce the Windows desktop E2E testing skill from stale PR #1334 with current manifest wiring, package publish coverage, catalog counts, and sanitized environment-path guidance.
Rebuild the useful homelab VLAN, DNS, and VPN planning surface from stale PR #1413 as a safety-first readiness checklist instead of raw router/firewall commands.
Sync the catalog count from 202 to 203 skills and include the skill in the devops-infra install module and npm publish surface.
- add a maintainer-reviewed MySQL/MariaDB production patterns skill based on PR #1727
- register the skill in database install module and npm publish allowlist
- sync catalog counts to 53 agents, 200 skills, and 69 commands