docs(tools): tighten the heading-wrap changelog, comments and overview

docs/CURRENT-STATE.md

@@ -398,9 +398,7 @@ perimeters, terrain height, military installations and map features, plus a
 combined situation brief, military awareness around a point, the app's heads-up display caption, and a link that
 opens the app over an area. Tools reuse the layers' portable source factories, take a
 shared `area` argument (place name, bounding box, or point and radius) and cap
-lists at 25 rows by default. Their whole-degree directions round through
-`roundHeadingDegrees`, listed with the heading readouts below.
-`aircraft_in_area` and `vessels_in_area` can also
+lists at 25 rows by default. `aircraft_in_area` and `vessels_in_area` can also
 count every match by a field (`group_by`: airline, read from the ICAO
 designator in the callsign, or operator, country or type for aircraft; type or
 destination for ships; the ten largest groups, then other and unknown counts;