fix: clarify nearby ALPR counts and help locate cameras

src/data/manager.test.mjs

@@ -3302,3 +3302,37 @@ test('panel remount releases old listeners and destruction revokes retained cont
     else globalThis.document = originalDocument;
   }
 });
+
+test('row action chips use live disabled state and descriptive counts without writing parameters', async () => {
+  const originalDocument = globalThis.document;
+  globalThis.document = { createElement: makeControlElement };
+  const mgr = new DataLayerManager({});
+  const layer = makeRowControlLayer();
+  let calls = 0, blocked = false;
+  layer.module.getStats = () => ({ count: 3, countLabel: '3 nearby' });
+  layer.module.getRowControls = () => ({ chips: [{ id: 'find', label: 'SHOW NEAREST', disabled: blocked, onClick: () => calls++ }] });
+  layer.module.setParams = () => { throw new Error('navigation must not write persistent params'); };
+  mgr.register(layer.module);
+  const container = makeControlElement();
+  try {
+    mgr.buildTogglePanel(container);
+    await mgr.setEnabled('satellites', true);
+    const row = container.querySelector('[data-layer-id="satellites"]');
+    assert.equal(row.querySelector('.data-count').textContent, '3 nearby');
+    const controls = row.querySelector('.data-toggle-controls');
+    const chip = collectByClass(controls, 'data-toggle-chip')[0];
+    controls.listeners.click({ target: chip });
+    assert.equal(calls, 1);
+    blocked = true;
+    controls.listeners.click({ target: chip });
+    assert.equal(calls, 1, 'live disabled descriptor wins before row repaint');
+    blocked = false;
+    await mgr.setEnabled('satellites', false);
+    controls.listeners.click({ target: chip });
+    assert.equal(calls, 1, 'disabled layer cannot navigate');
+  } finally {
+    await mgr.destroyAll();
+    if (originalDocument === undefined) delete globalThis.document;
+    else globalThis.document = originalDocument;
+  }
+});