fix: use globe terrain when framing an ALPR camera

docs/CURRENT-STATE.md

@@ -13,7 +13,8 @@ The row count explicitly says **nearby**: loaded records can be outside the
 screen. A purple-dot legend identifies the fixed 8-pixel markers (12 pixels when
 selected). **SHOW NEAREST** frames and selects the nearest loaded camera; it is
 disabled with no loaded cameras or while following a tracked entity. This action
-chooses from the current source snapshot.
+chooses from the current source snapshot and uses rendered surface height from
+3D tiles or globe terrain when available.
 Coverage follows a bounded neighborhood around the screen-center ground point,
 with a radius of twice the camera-to-ground range (at least 1 km), rather than
 extending to the horizon. Sky, dateline-crossing and wider-than-city views do not