Drop the page-local DS Select window picker. Drive from() / to() off
useGlobalFilters().timeRange so the dashboard tracks the same TopBar range
as Exchanges / Dashboard / Runtime. Bucket size auto-scales via
stepSecondsFor(windowSeconds) (10 s for ≤30 min → 1 h for >48 h). Query
hooks now take ServerMetricsRange = { from: Date; to: Date } instead of a
windowSeconds number, so they support arbitrary absolute or rolling ranges
the TopBar may supply (not just "now − N"). Toolbar collapses to just the
server-instance badges.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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