With Amap in the keyed slot every reverse lookup went to Amap first,
worldwide. Outside its box that buys a round trip and an empty answer
before Nominatim is asked anyway, which is latency on every right click in
Lisbon. The client side of the same question already filters by the box
(placeNavigation.ts); isOutsideChina is the shared helper both use.
The two fixtures in the file that were cast to any now carry a type: the
key row and the fetch spy whose calls the reverse case reads back.
Maurice
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