fix the remaining voice review gaps

keep analyst counts, speech, cards, cancellation, pointer capture, tool schema boundaries, and session lifetime consistent
add the exact Alps fallback and focused regression coverage

src/voice/resultDisplay.js

@@ -28,10 +28,19 @@ const LAYER_NOUNS = Object.freeze({
 
 /** Split "a; b" caveat text into separate notes. */
 function notesOf(...values) {
-  return values
-    .flatMap((value) => String(value || '').split(/;\s*/))
-    .map((text) => text.trim())
-    .filter(Boolean);
+  return [
+    ...new Set(
+      values
+        .flatMap((value) => String(value || '').split(/;\s*/))
+        .map((text) =>
+          text
+            .replace(/[\p{Cc}\p{Cf}]+/gu, ' ')
+            .replace(/\s+/g, ' ')
+            .trim(),
+        )
+        .filter(Boolean),
+    ),
+  ];
 }
 
 export function analystNounFor(layerKeys) {
@@ -67,6 +76,19 @@ function analystCard(result) {
   if (!result?.ok) return null;
   const display = result.display || {};
   const unanswered = Array.isArray(result.unanswered) ? result.unanswered : [];
+  const provenance = result.feedProvenance || result.coverage?.feedProvenance;
+  const sources = [
+    ...new Set(
+      [...(provenance?.layers || []), ...(result.coverage?.layersQueried || [])]
+        .map((layer) =>
+          String(layer?.source || '')
+            .replace(/[\p{Cc}\p{Cf}]+/gu, ' ')
+            .replace(/\s+/g, ' ')
+            .trim(),
+        )
+        .filter(Boolean),
+    ),
+  ].map((label) => ({ label }));
   return {
     display: {
       title: analystHeadline(result),
@@ -81,12 +103,16 @@ function analystCard(result) {
           : []),
         ...(result.partial ? [{ label: 'partial' }] : []),
       ],
+      // Coverage qualifications lead the feed detail. The bounded card groups
+      // overflow in its existing Notes disclosure rather than dropping them.
+      preserveNotes: true,
       notes: [
-        ...notesOf(display.caveat, result.coverage?.note),
+        ...notesOf(result.coverage?.note, display.caveat),
         ...(unanswered.length
           ? [`Not answered: ${unanswered.join(', ')}`]
           : []),
       ],
+      sources,
     },
     referents: Array.isArray(result.items) ? result.items : [],
     resultSet: true,