Shell: collapsible rail, DNS/Server groups with pins, always-on header with
breadcrumbs and server status, Ctrl/Cmd+K command palette.
Cache: left column is a lazily expanded tree of every zone, right column the
selected node's records; both columns are ReUI Frames.
Styles: dark variant follows data-theme (field and outline fills), 32 px selects,
36 px segmented strip, 40 px caption table heads, 56 px rows, 20/24/32 page padding.
Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
