before functional changes by codex

test/edge/outlier-toggle.edge.test.js

@@ -0,0 +1,12 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const { makeMeasurementInstance } = require('../helpers/factories');
+
+test('toggleOutlierDetection currently converts config object to boolean (known gap)', () => {
+  const m = makeMeasurementInstance();
+
+  assert.equal(typeof m.config.outlierDetection, 'object');
+  m.toggleOutlierDetection();
+  assert.equal(typeof m.config.outlierDetection, 'boolean');
+});