fix(voice): preserve analyst result and tracking contracts

keep contacts counts, rows, scope and provenance on one retained snapshot

report capped cohorts as lower bounds

separate sibling tool cancellation from newer user turns

align track_entity validation across runtime and benchmark paths

src/data/analystEngine.test.mjs

@@ -174,11 +174,95 @@ test('analyst: nearest sorting attaches distanceKm ascending', async () => {
 
 test('analyst: follow-up re-filters the remembered set without re-snapshot', async () => {
   const eng = makeEngine();
-  await eng.query({ layers: ['flights'], scope: { kind: 'region', name: 'Texland' } });
-  const r = await eng.query({ followUp: true, filters: [{ field: 'onGround', op: 'eq', value: true }] });
+  const first = await eng.query({
+    layers: ['flights'],
+    scope: { kind: 'region', name: 'Texland' },
+  });
+  const r = await eng.query({
+    followUp: true,
+    filters: [{ field: 'onGround', op: 'eq', value: true }],
+  });
   assert.equal(r.count, 1);
   assert.equal(r.items[0].id, 'GND1');
   assert.equal(r.coverage.followUp, true);
+  assert.equal(r.scopeLabel, first.scopeLabel);
+  assert.equal(r.display.scope, first.display.scope);
+  assert.equal(r.coverage.scope, first.coverage.scope);
+});
+
+test('analyst: follow-ups preserve partial and unanswered coverage', async () => {
+  const eng = createAnalystEngine({
+    getRecords: (key) => (key === 'flights' ? FLIGHTS : []),
+    getLayerSnapshot: (key) => ({
+      enabled: key === 'flights',
+      feedState: key === 'flights' ? 'nominal' : 'off',
+    }),
+    getViewContext: () => ({ lat: 30.27, lon: -97.74, viewRadiusKm: 150 }),
+  });
+  const first = await eng.query({
+    layers: ['flights', 'military'],
+    scope: { kind: 'anywhere' },
+  });
+  assert.equal(first.partial, true);
+  assert.deepEqual(first.unanswered, ['military']);
+
+  const followUp = await eng.query({ followUp: true, limit: 1 });
+  assert.equal(followUp.partial, true);
+  assert.deepEqual(followUp.unanswered, ['military']);
+  assert.deepEqual(
+    followUp.coverage.layersQueried.map(({ layerKey, status }) => [
+      layerKey,
+      status,
+    ]),
+    first.coverage.layersQueried.map(({ layerKey, status }) => [
+      layerKey,
+      status,
+    ]),
+  );
+});
+
+test('analyst: cancelled pre-commit work cannot replace follow-up memory', async () => {
+  const eng = makeEngine();
+  await eng.query({
+    layers: ['flights'],
+    scope: { kind: 'anywhere' },
+    filters: [{ field: 'id', op: 'eq', value: 'SWA1' }],
+  });
+  let current = true;
+  const stale = await eng.query(
+    { layers: ['local-firms'], scope: { kind: 'anywhere' } },
+    {
+      isCurrent: () => current,
+      beforeCommit: async () => {
+        current = false;
+      },
+    },
+  );
+  assert.equal(stale.code, 'CANCELLED');
+  const followUp = await eng.query({ followUp: true });
+  assert.deepEqual(followUp.items.map((item) => item.id), ['SWA1']);
+});
+
+test('analyst: failed pre-commit work cannot replace follow-up memory', async () => {
+  const eng = makeEngine();
+  await eng.query({
+    layers: ['flights'],
+    scope: { kind: 'anywhere' },
+    filters: [{ field: 'id', op: 'eq', value: 'SWA1' }],
+  });
+  await assert.rejects(
+    eng.query(
+      { layers: ['local-firms'], scope: { kind: 'anywhere' } },
+      {
+        beforeCommit: async () => {
+          throw new Error('projection failed');
+        },
+      },
+    ),
+    /projection failed/,
+  );
+  const followUp = await eng.query({ followUp: true });
+  assert.deepEqual(followUp.items.map((item) => item.id), ['SWA1']);
 });
 
 test('analyst: unresolved region is an honest failure, not empty success', async () => {
@@ -200,6 +284,39 @@ test('analyst: a region lookup timeout is reported as region-timeout', async ()
   assert.equal(r.coverage.scope, 'region:Texas:timeout');
 });
 
+test('analyst: region lookup receives and obeys the owning action signal', async () => {
+  const controller = new AbortController();
+  let receivedSignal = null;
+  const eng = createAnalystEngine({
+    getRecords: () => FLIGHTS,
+    resolveRegionRing: async (_name, signal) => {
+      receivedSignal = signal;
+      await new Promise((resolve) =>
+        signal.addEventListener('abort', resolve, { once: true }),
+      );
+      return null;
+    },
+    getViewContext: () => ({
+      lat: 30.27,
+      lon: -97.74,
+      viewRadiusKm: 150,
+    }),
+  });
+  const pending = eng.query(
+    { layers: ['flights'], scope: { kind: 'region', name: 'Texas' } },
+    {
+      signal: controller.signal,
+      isCurrent: () => !controller.signal.aborted,
+    },
+  );
+  await Promise.resolve();
+  controller.abort();
+  const result = await pending;
+  assert.equal(receivedSignal, controller.signal);
+  assert.equal(result.code, 'CANCELLED');
+  assert.equal(result.cancelled, true);
+});
+
 test('analyst: route fields queryable from cached enrichment only', async () => {
   const r = await makeEngine().query({
     layers: ['flights'], scope: { kind: 'anywhere' },