aircraft_in_area stats summarized altitude over airborne aircraft but
speed over every match, so parked aircraft pulled the mean speed toward
zero. Both figures now use the same airborne subset, and the on-ground
fixture is stationary so the test can tell the difference.
Reserved AIS ship-type codes 100 to 255 now read as unknown, as type 0
does, instead of showing up in the breakdown as their own type.
Adds tests for an area where every aircraft is on the ground and for
find_vessel type and destination normalization, and notes in the
changelog fragment that every vessel answer is now normalized.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
AIS sends ship types as ITU-R M.1371 codes, so vessels_in_area grouped
"70", "74" and "79" as three types, and type: "tanker" matched nothing on
feeds that send codes. Codes now read as the family the vessel cards already
show (CARGO, TANKER, TUG), for rows, group_by and the type filter. The code
table moves to src/data/vesselTypes.js, which has no i18n import, so the
server-side tools can use it; vesselLabels re-exports it.
A destination with no letters ("0", "---") now counts as unknown.
Live, Singapore: "most by type: CARGO (3), TANKER (3), PASSENGER (1)"; "how
many tankers near Singapore" found 3.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
