chore(ui): reconcile compact Radio ownership fix with current main

Preserve upstream changes, restore the reviewed Radio ownership regression,
and retain reporter raysung-2026 credit and #804 provenance.

Reconciles upstream main 81cf437 and PR #816 head 702ecc3; no force push.

scripts/format-scope.json

@@ -935,6 +935,8 @@
   "scripts/qa-street-level.mjs",
   "src/tooling/streetLevelQa.test.mjs",
   "scripts/qa-browserEvidence.mjs",
+  "scripts/qa-chrome.mjs",
+  "src/qaChrome.test.mjs",
   "scripts/fixtures/street-level/mapillaryGraph.mjs",
   "scripts/fixtures/street-level/kartaView.mjs",
   "src/layers/streetLevel/filter.test.mjs",