The coverage ratchet measures per domain, and this branch put new code into
four domains pinned well above the floor without tests reaching it.
addons (99/99/99): getPlaceShadow and updatePlaceShadow had none at all, and
the parity the service comment claims with PlaceShadowService.enabled() is now
asserted rather than asserted in prose.
maps (93/86/97/96): geocodeQuery was invisible - its only consumer stubs it
away - so the new suite drives the gate, an accepted hit, a hit with an
unusable coordinate, an index failure falling through, and both ends of the
Nominatim tail. It sits on the booking-import path, where it decides whether
thirty sequential lookups leave the instance.
admin (86/70/89/88) and place-enrichment (96/95/94/97): the place-shadow
handlers and their audit entry, the getAppConfig read, and nearbyWouldMislead,
whose lines ran incidentally while nothing asserted the result - the guard
could have been inverted and the suite would have stayed green.
Maurice