Measure semantic activation refresh independently from download and idle time

apps/desktop/tests/search-performance.test.mjs

@@ -161,3 +161,30 @@ test('repeated refreshes retain a bounded immutable numeric origin without repla
   assert.equal(origin.first_results_ms, 72);
   assert.equal(origin.hybrid_final_results_ms, null);
 });
+
+test('semantic activation excludes download time and records the promoted context separately', () => {
+  const original = new SearchMeasurement(100, 100, true, {indexed_chunks:3});
+  original.submitted('hybrid', 220);
+  finish(original, 'hybrid', 220, 230, native, false);
+  original.displayed('hybrid', 230, 238, 3);
+  const context = {indexed_chunks:4, semantic_ready:true};
+  const promoted = original.freshForRefresh(144000, 'semantic_activation', context);
+  context.indexed_chunks = 999;
+  promoted.submitted('lexical', 144000);
+  finish(promoted, 'lexical', 144001, 144004, native, false);
+  promoted.displayed('lexical', 144004, 144005, 1);
+  promoted.submitted('hybrid', 144120);
+  finish(promoted, 'hybrid', 144120, 144128, native, false);
+  promoted.displayed('hybrid', 144128, 144138, 4);
+  const report = promoted.export();
+  assert.equal(report.trigger, 'semantic_activation');
+  assert.equal(report.first_results_ms, 5);
+  assert.equal(report.hybrid_final_results_ms, 138);
+  assert.equal(report.context.indexed_chunks, 4);
+  assert.equal(report.original_input.hybrid_final_results_ms, 138);
+  assert.equal(report.attempts.length, 2);
+  assert.equal(original.export().context.indexed_chunks, 3);
+  const next = promoted.freshForRefresh(300000);
+  assert.equal(next.export().trigger, 'filesystem_refresh');
+  assert.deepEqual(next.export().original_input, report.original_input);
+});