Sidebar navigation (Overview, Machines, Jobs, Tags, Profiles, OS images); machine list with state/tag chips, search, sort, paging and multi-select bulk actions (power, deploy, assign, tag, re-commission, release, boot device); machine detail with tabs (overview, hardware, network, BMC, jobs, events, raw) and dialog-driven actions; fleet-wide /api/v1/events and /api/v1/jobs; ?token= sign-in; GPU count in summaries counts real accelerators only; OS catalog ignores dot-directories. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>