Two related passes on THE route graph (ui/pathgraph).
1. **Featured path is always white.** The Message paths dialog and the
Trophy case coloured their selected/scored path by reception SNR
(theme.snr_rgb). But on a graph that draws only *one* real path over a
grey backdrop, colour carried no comparison — it just competed with the
node-name hues on the same canvas. Drop the SNR tint: the selected/walked
path reads white (the single-walk convention), the unused paths grey.
Removes the now-unused theme.snr_rgb / _SNR_RGB and updates both captions.
2. **The packet viewer draws a relayed packet's route.** A `packet` frame
that actually crossed a relay now slots the fan-lane graph between its
parsed detail (heard/from/class/via) and its extras — origin → relays →
us, the same picture Message paths and the Trophy case draw. A direct
arrival skips it (its `direct — no relays` via row already says all there
is). render_body splits into head/tail grids sharing one label-lane width
so the rows stay aligned across the graph; the dashboard threads a
node-type resolver through so relays wear their map marker (▲, …).
Full suite green (806).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Jean-Pierre MartineauandClaude Opus 4.8
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