refactor(earthquakes): extract native renderer with identical ground-disc output

Keep refresh, cancellation and label policy engine-neutral; inject the original native entities at composition. Prove static geometry, analyst records, owner disposal and last-good refresh behavior. Native dev and QA-preview pass 18 checks each; all eight baseline PNGs remain byte-identical.

scripts/check-import-directions.mjs

@@ -34,6 +34,7 @@ const navaraPackage = /^(?:(?:three|postprocessing)(?:\/|$)|@navaramap\/)/;
 // engine in their renderers: cesium only in render/cesium*.js, three and
 // Navara only in render/navara*.js. The list grows with each moved layer.
 const RENDERED_LAYER_DIRS = [
+  'src/layers/earthquakes/',
   'src/layers/flights/',
   'src/layers/military/',
   'src/layers/localAdsb/',

scripts/format-scope.json

@@ -1182,5 +1182,7 @@
   "src/tooling/w1RuntimeEvidence.test.mjs",
   "scripts/qa-w2-layers.mjs",
   "scripts/fixtures/w2/earthquakes.mjs",
-  "src/tooling/w2QaComparison.test.mjs"
+  "src/tooling/w2QaComparison.test.mjs",
+  "src/layers/earthquakes/render/cesium.js",
+  "src/layers/earthquakes/render/cesium.test.mjs"
 ]

scripts/package-boundaries.json

@@ -1074,9 +1074,26 @@
       "src/layers/earthquakes/index.js",
       "src/layers/earthquakes/model.js",
       "src/layers/earthquakes/source.js",
-      "src/layers/earthquakes/records.js"
+      "src/layers/earthquakes/records.js",
+      "src/geo/boundingSphere.js",
+      "src/geo/cartesian2.js",
+      "src/geo/cartesian3.js",
+      "src/geo/cartographic.js",
+      "src/geo/check.js",
+      "src/geo/debug.js",
+      "src/geo/developerError.js",
+      "src/geo/ellipsoid.js",
+      "src/geo/ellipsoidGeodesic.js",
+      "src/geo/index.js",
+      "src/geo/math.js",
+      "src/geo/matrix3.js",
+      "src/geo/matrix4.js",
+      "src/geo/quaternion.js",
+      "src/geo/scaleToGeodeticSurface.js",
+      "src/geo/transforms.js",
+      "src/layers/shared/color.js"
     ],
-    "external": ["cesium"]
+    "external": []
   },
   "recent-imagery": {
     "exports": ["./layers/recent-imagery"],
@@ -2677,7 +2694,8 @@
       "src/layers/shared/render/engineView.js",
       "src/celestialRing/render/cesium.js",
       "src/celestialRing/view.js",
-      "src/layers/satellites/render/cesium.js"
+      "src/layers/satellites/render/cesium.js",
+      "src/layers/earthquakes/render/cesium.js"
     ],
     "external": [
       "hls.js",
@@ -3269,7 +3287,8 @@
       "src/celestialRing/render/cesium.js",
       "src/celestialRing/view.js",
       "src/layers/shared/render/engineView.js",
-      "src/layers/satellites/render/cesium.js"
+      "src/layers/satellites/render/cesium.js",
+      "src/layers/earthquakes/render/cesium.js"
     ],
     "external": [
       "hls.js",