Meta-skill for upgrading your Ogmios fork against future PAI versions
(Daniel Miessler upstream). Structured process: clone PAI repo → diff against
your config → classify ISCs (Isolated Strategic Changes) → build PRD → execute
in phases → audit-preserve.
[WHAT] Process skill that documents how to upgrade your Ogmios fork against
upstream PAI releases without losing your customisations.
[WHEN] Use when: PAI upgrade, miessler new release, upgrade fork from upstream,
"new PAI version released". NOT for: feature requests on your own fork.
