cont+52 S3SCOOP Batch A: Underground content sweep (Академия→Underground) — 13 files, legal HOLD - #31

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/