fix: address GNSS integrity and aircraft emergency review findings

scripts/package-boundaries.json

@@ -781,6 +781,7 @@
   "live-observations": {
     "exports": ["./sources/live"],
     "modules": [
+      "src/data/aircraftEmergency.js",
       "src/sources/live/aircraft.js",
       "src/sources/live/contract.js",
       "src/sources/live/index.js",
@@ -3505,6 +3506,7 @@
       "src/sources/featureGeometry.js",
       "src/sources/live/standalone.js",
       "src/sources/live/contract.js",
+      "src/data/aircraftEmergency.js",
       "src/sources/live/aircraft.js",
       "src/sources/live/vessels.js",
       "src/tools/places.js",