Add Node.js setup and npx skills CLI step to fetch open-prose and websh
from openprose/prose. Rename workflow file from sync-agentwallet.yml to
sync-skills.yml to reflect broader scope.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The mkdir and git add steps were using `agentwallet/` instead of
`skills/agentwallet/`, so changes were never staged and commits
never happened.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>