Persist QA feature evidence

frontend/src/styles/app.css

@@ -1618,6 +1618,7 @@ button.entity-card {
 
 .quality-drilldown-grid,
 .quality-evidence-token-grid,
+.quality-feature-evidence-grid,
 .quality-provenance-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
@@ -1641,6 +1642,7 @@ button.entity-card {
 
 .quality-drilldown-grid > div,
 .quality-evidence-token-grid > div,
+.quality-feature-evidence-grid > div,
 .quality-provenance-grid > div {
   min-width: 0;
   border: 1px solid var(--line);
@@ -1663,6 +1665,7 @@ button.entity-card {
 .quality-handoff-grid span,
 .quality-drilldown-grid span,
 .quality-evidence-token-grid span,
+.quality-feature-evidence-grid span,
 .quality-provenance-grid span,
 .quality-score-row span,
 .latest-export-card span,
@@ -1703,7 +1706,8 @@ button.entity-card {
 }
 
 .quality-drilldown-grid p,
-.quality-evidence-token-grid p {
+.quality-evidence-token-grid p,
+.quality-feature-evidence-grid p {
   margin: 0.24rem 0 0;
   color: var(--muted);
   font-size: 0.8rem;
@@ -1711,6 +1715,17 @@ button.entity-card {
   overflow-wrap: anywhere;
 }
 
+.quality-feature-evidence-grid ul {
+  display: grid;
+  gap: 0.28rem;
+  margin: 0.38rem 0 0;
+  padding-left: 1.1rem;
+  color: var(--text);
+  font-size: 0.78rem;
+  line-height: 1.35;
+  overflow-wrap: anywhere;
+}
+
 .quality-provenance-pre {
   max-height: 11rem;
   margin: 0.38rem 0 0;