Reorganizes 31 dashboards into an operator-first structure with real
navigation. Adds Router Detail and Peer Detail drilldown dashboards; merges
LS Nodes+Links and the two L3VPN dashboards; modernizes all deprecated panels
(table-old/graph/worldmap). Every dashboard gets the obmp-nav dropdown so the
whole set is reachable from anywhere. Graduates the operational "Learning"
dashboards into Operations/Routing/LinkState folders, retires the Tops folder,
and relabels folders (Base->Operations, History->Routing, Learning->Reference).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>