feat(secubox-master-link): Add CLI tools and secubox-deb API prompt
Add sbx-mesh-invite and sbx-mesh-join CLI tools to secubox-master-link:
- sbx-mesh-invite: Generate invite tokens with URL output (for masters)
- sbx-mesh-join: Join mesh with token (for peers), uses HTTPS
Add .claude/prompts/secubox-deb-masterlink.md:
- API specification for implementing master-link on secubox-deb (VM)
- Endpoints: status, invite, join, peers, approve, cleanup
- Data structures for tokens.json and peers.json
- Integration notes for existing LuCI UI
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>