UI enhancemnts

tests/etf-scorer.test.ts

@@ -255,6 +255,49 @@ test('EtfScorer', async (t) => {
     assert.equal(result.label, '🔴 REJECT');
   });
 
+  await t.test('does not reject ETF when Yahoo data is missing (null)', () => {
+    const metrics: EtfMetrics = {
+      expenseRatio: 0.05,
+      yield: 1.8,
+      volume: null, // Yahoo did not return averageVolume
+      fiveYearReturn: null, // Yahoo did not return fiveYearAverageReturn
+      totalAssets: null,
+    };
+
+    const result = EtfScorer.score(metrics, DEFAULT_RULES);
+    // Missing data skips gates — must NOT auto-fail as 0 < gate
+    assert.notEqual(result.label, '🔴 REJECT');
+    assert.ok(result.audit?.passedGates);
+  });
+
+  await t.test('still enforces expense gate when other data is missing', () => {
+    const metrics: EtfMetrics = {
+      expenseRatio: 0.8, // above 0.2 gate
+      yield: null,
+      volume: null,
+      fiveYearReturn: null,
+      totalAssets: null,
+    };
+
+    const result = EtfScorer.score(metrics, DEFAULT_RULES);
+    assert.equal(result.label, '🔴 REJECT');
+    assert.ok(result.scoreSummary.includes('Expense ratio'));
+  });
+
+  await t.test('labels all-null metrics as No Data instead of Neutral', () => {
+    const metrics: EtfMetrics = {
+      expenseRatio: null,
+      yield: null,
+      volume: null,
+      fiveYearReturn: null,
+      totalAssets: null,
+    };
+
+    const result = EtfScorer.score(metrics, DEFAULT_RULES);
+    assert.equal(result.label, '🟡 Neutral (No Data)');
+    assert.equal(result.audit?.coverage?.active, 0);
+  });
+
   await t.test('handles negative 5-year return', () => {
     const metrics: EtfMetrics = {
       expenseRatio: 0.1,