AdapterCompatibilityDashboardAction added to HubsController (AutoRefresh).
Five panels: adapter summary KPIs (active/draft/deprecated), widget coverage
bar (adapter-backed vs native IHP, breakdown per spec), active contracts in use,
unassigned widgets, active adapter spec table with widget counts. Linked from
hub Show page and global nav.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
