The Map tab's inline preview centres on the node's own fix ("… centred here"),
but its "Open full map" action called open_map with only the markers — so the
full map fell back to the persisted global view (wherever the map was last
left) or a fit-to-all-nodes frame, landing somewhere other than the node the
preview had just shown.
open_map gains an optional focus=(lat, lon): given it, the map opens on that
point at the preview's zoom (min(13, max_zoom)) and — mirroring how
LocationPickScreen uses its transient `initial` — deliberately wires no
on_view_change, so a focused peek never overwrites the user's saved global
map_view, even as it is panned. The node detail passes the node's own
coordinates, the same spot the preview is centred on.
Tests drive the real open_map both ways: focused (centres on the node, leaves
the saved view untouched after a pan/zoom) and plain (still restores and
persists the global view).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Jean-Pierre MartineauandClaude Opus 4.8
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