- Server: include active_route_destination (lat/lng/eta) from drive_state.
- When Tesla is connected, the Origin → Destination strip collapses to a
single ConnectedTripStrip: "From car · Where to?". The origin is implicit
(the car's GPS), the manual From input + crosshair button disappear.
- If Tesla nav already has a destination, it auto-fills as the trip
destination; if the user has typed something else, an inline "Use Tesla
nav" button offers a one-tap swap.
- Mocks: driving + charging scenarios include an activeRoute so the flow
is testable end-to-end via ?mockTesla=driving / ?mockTesla=charging.
tony
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