chore(main): release 2.3.0

[github-actions]

🤖 I have created a release beep boop

2.3.0 (2026-07-25)

Features

• /release skill + dev-build workflow (cross-machine RC/dev wheels, no PyPI) (#79) (bb0dc89)
• add: provider-neutral remo add/remo remove for SSH-reachable hosts (014) (#77) (14b06dd)
• ci: use a GitHub App token for release-please (fallback to PAT/GITHUB_TOKEN) (#83) (5eb6848)
• incus/proxmox: tag managed containers and filter sync by default (#76) (bd45b0c)
• registry: versioned structured host registry (registry v2) (#85) (2a3d92e)

Bug Fixes

• ci: fall back to GITHUB_TOKEN in release-please so it works without the PAT (#80) (212aa6d)
• ci: scope release-please to pyproject.toml only (leave init.py sentinel) (#82) (00e750a)

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