Read QA drawing evidence through the globe contract

Port the layer probes in twenty-six browser scripts to engine primitive
lists, drawn rows and layer diagnostics. Preserve Cesium as the reference
and keep the supported Navara paths on the same observations. This
changes QA observation only, with no application behaviour change.

Review the interrupted infrastructure group and retain its readiness,
drape, selection, label and floor checks. Match both installation outline
buffers. Frame each CCTV city before reading its visible coverage. Read
Radio colours and selected identities from actual mover writes. Retain
transit's GPU upload budgets using engine-owned line primitives rather
than substituting rebuild counts. Keep native inspection where a check
specifically measures GPU uploads, loaded meshes or ground readiness.

The preceding combined B/C commit owns all shared manifests, docs,
locale catalogs and the coupling baseline; this commit changes only its
own twenty-six QA scripts. Coupling remains unchanged at 344 Cesium
renderer lines, 1294 Navara renderer lines, 9 Cesium import files, 1026
viewer lines, 2 Navara kind checks, 0 engine sniff calls, 9 extension
reads, 1 ground pass, 3 SDK loads, 4 screen-handler files and 42 engine-name
lines.

The full unit suite and the boundary, format and coupling checks pass.
Browser validation remains to be run.

Browser checks to run
GOOGLE_MAPS_API_KEY= CESIUM_ION_TOKEN= npm run dev -- --port 4291
node scripts/qa-alpr-journey.mjs http://localhost:4291
node scripts/qa-alpr-journey.mjs 'http://localhost:4291/?engine=navara'
node scripts/qa-cables-overlay.mjs --url http://localhost:4291
node scripts/qa-cctv-v2.mjs --url http://localhost:4291 --fixture --terrain-globe
node scripts/qa-context-arrivals.mjs http://localhost:4291
node scripts/qa-directions.mjs --url http://localhost:4291
QA_BASE_URL=http://localhost:4291 node scripts/qa-draw-tool.mjs
QA_BASE_URL=http://localhost:4291 node scripts/qa-floor-hold.mjs
node scripts/qa-ghostmaps.mjs --url http://localhost:4291
node scripts/qa-gnss.mjs --url http://localhost:4291
node scripts/qa-height-datum.mjs --url http://localhost:4291
node scripts/qa-infra-lod.mjs --url http://localhost:4291
node scripts/qa-installation-navigation.mjs http://localhost:4291
node scripts/qa-military-names.mjs http://localhost:4291 --no-video
node scripts/qa-overpass-offload.mjs --url http://localhost:4291
node scripts/qa-radio.mjs --url http://localhost:4291
node scripts/qa-traffic-motion.mjs http://localhost:4291 --mode=osm
QA_BASE_URL=http://localhost:4291 node scripts/qa-transit-recovery.mjs
QA_BASE_URL=http://localhost:4291 node scripts/qa-transit.mjs
node scripts/qa-weather-teardown.mjs --url http://localhost:4291 --headless
for engine in cesium navara; do
  node scripts/qa-enrich-ambient.mjs --url http://localhost:4291 --engine=$engine
  QA_BASE_URL=http://localhost:4291 node scripts/qa-floor-verify.mjs --engine=$engine
  node scripts/qa-heading-b3.mjs --url http://localhost:4291 --engine=$engine
  node scripts/qa-overlay-baseline.mjs --url http://localhost:4291 --engine=$engine
  node scripts/qa-sprites-b5.mjs --url http://localhost:4291 --engine=$engine
  node scripts/qa-vessel-datum.mjs --url 'http://localhost:4291/?qaFeed=vessels:fixture' --engine $engine
done

The military-names driver exercises installation-polish; the transit
driver exercises transit-scenes. Use only the keyless server. Cases that
require photoreal tiles or unavailable providers remain unverified.

scripts/qa-cables-overlay.mjs

@@ -8,10 +8,11 @@
  *       a. per-frame `scene.render` cost over a ~10 s driven-orbit window
  *          (mean / p50 / p95 / max — relative numbers, SwiftShader surface),
  *       b. toggle-ON → first-labels-visible latency,
- *       c. entity / native-label / host-entry counts,
+ *       c. contract set (ground paths, mover tips, stems) / host-entry counts,
  *       d. parked-idle postRender fires over 5 s (render-governor honesty).
  *  2. GATE (unified build only): assert the migration contract —
- *       zero native `LabelGraphics` on cable reference entities, host entries
+ *       no layer-owned Cesium data source (paths, pins and tips are globe
+ *       contract sets), host entries
  *       present for the source, idle stays near-zero, and a clean OFF→ON cycle
  *       (no orphan host entries after disable).
  *
@@ -105,28 +106,40 @@ try {
     await new Promise((r) => setTimeout(r, 3_000)); // let load/labels settle
   }
 
-  // ── c. entity / label / host counts ───────────────────────────────────
+  // ── c. drawn-set / label / host counts ────────────────────────────────
+  // The layer draws through the globe contract (render/display.js): cable
+  // paths in one engine.ground corridor set, landing points and reference
+  // tips in mover sets, stems in engine.lines, labels on the world-overlay
+  // host. It owns no Cesium DataSource or Entity any more.
   const counts = await page.evaluate((layerId) => {
     const gev = window.__godsEyeView;
     const v = gev.viewer;
+    const engine = gev.engine;
     const out = {
-      dataSources: {}, nativeLabels: 0, dynamicPositionEntities: 0,
-      referenceEntities: 0, hostEntries: 0, hostPainted: 0,
+      layerDataSources: 0, layerEntities: 0,
+      pathSets: 0, pathItems: 0, markers: 0, tipSets: 0, tips: 0, stems: 0,
+      hostEntries: 0, hostPainted: 0,
     };
-    for (let i = 0; i < v.dataSources.length; i++) {
+    for (let i = 0; i < (v?.dataSources?.length ?? 0); i++) {
       const ds = v.dataSources.get(i);
       if (!/TeleGeography/.test(ds.name || '')) continue;
-      const list = ds.entities.values;
-      out.dataSources[ds.name] = list.length;
-      for (const e of list) {
-        if (e.label !== undefined) out.nativeLabels++;
-        if (e.position && e.position.isConstant === false) out.dynamicPositionEntities++;
-        if (e.polyline?.positions && e.polyline.positions.isConstant === false) {
-          out.dynamicPositionEntities++;
-        }
-      }
-      if (/References/.test(ds.name)) out.referenceEntities = list.length;
+      out.layerDataSources++;
+      out.layerEntities += ds.entities.values.length;
     }
+    for (const set of engine.ground.list()) {
+      if (set.id !== `${layerId}-paths`) continue;
+      out.pathSets++;
+      out.pathItems += set.count;
+    }
+    for (const set of engine.movers.list()) {
+      if (set.id === `${layerId}-markers`) out.markers += set.count;
+      else if (set.id.startsWith(`${layerId}-`) && set.id.endsWith('-tips')) {
+        out.tipSets++;
+        out.tips += set.count;
+      }
+    }
+    out.stems = engine.lines.list().filter((line) =>
+      line.id.startsWith(`${layerId}-stem-`) && line.shown).length;
     const diag = window.__gevWorldOverlay?.getDiagnostics?.() || {};
     out.hostEntries = diag.entriesBySource?.[layerId] || 0;
     out.hostPainted = diag.paintedBySource?.[layerId] || 0;
@@ -189,8 +202,10 @@ try {
 
   if (!legacy && !control) {
     // ── unified-build contract gates ────────────────────────────────────
-    check('zero native LabelGraphics on cable entities', counts.nativeLabels === 0, counts.nativeLabels);
-    check('zero per-frame CallbackProperty cable entities', counts.dynamicPositionEntities === 0, counts.dynamicPositionEntities);
+    // Paths, pins and tips belong to contract sets; labels belong to the host.
+    check('no layer-owned Cesium data source or entities', counts.layerDataSources === 0 && counts.layerEntities === 0, counts);
+    check('cable paths drawn as an engine.ground corridor set', counts.pathSets === 1 && counts.pathItems > 0, counts);
+    check('reference tips drawn as mover sets', counts.tipSets > 0 && counts.tips > 0, counts);
     check('host has cable entries', counts.hostEntries > 0, counts.hostEntries);
     check('host painted cable labels', counts.hostPainted > 0, counts.hostPainted);
     // The cables source never republishes an unchanged cohort (unit pin), and