design: extend with single-panel architecture (Phases k-o)

Adds the broader panel design that consolidates today's two-panel
layout (Routes/Contacts + floating PlaceDetail) into one always-visible
left column with state-driven content. Defines five panel states
(IDLE, PREVIEW, ROUTING, PREVIEW+ROUTING, ROUTE_CALCULATED), shared
place-card component, search bar behavior including aspirational
search history, and implementation phases k-o.
This commit is contained in:
Matt 2026-04-26 19:58:55 +00:00
commit 82d19e7fb8

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