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/data/analystEngine.js

@@ -698,7 +698,10 @@ export async function selectAnalystRows(
     const item = { layerKey: key, ...row };
     const age = ageOf(key, row);
     if (age !== null) item[AGE_FIELD] = age;
-    if (sortBy === 'distance') item.distanceKm = distance(row);
+    if (sortBy === 'distance') {
+      const km = distance(row);
+      item.distanceKm = Number.isFinite(km) ? Math.round(km * 10) / 10 : km;
+    }
     return item;
   });
   return { count, items, matched, summary };
@@ -881,6 +884,8 @@ export function createAnalystEngine(providers) {
     // 2) Spatial scope
     const rememberedScope =
       followUp && !spec.scope ? lastResult.scopePresentation || null : null;
+    const rememberedDistanceOf =
+      followUp && !spec.scope ? lastResult.distanceOf || null : null;
     let resolvedScope = null;
     let scopeNote = rememberedScope?.coverage || 'anywhere';
     // Human phrasing for the same scope, so every spoken count can name what it
@@ -985,6 +990,7 @@ export function createAnalystEngine(providers) {
       sortDir: spec.sortDir,
       limit: spec.limit,
       layerKeys: layers,
+      distanceOf: rememberedDistanceOf,
       ref:
         spec.sortBy === 'distance'
           ? resolvedScope?.center || providers.getViewContext()
@@ -1070,6 +1076,7 @@ export function createAnalystEngine(providers) {
     const committedCoverage = memoryOverride?.coverage || result.coverage;
     lastResult = {
       matched: memoryOverride?.matched || selection.matched,
+      distanceOf: memoryOverride?.distanceOf || rememberedDistanceOf,
       layerKeys: [...(memoryOverride?.layerKeys || layers)],
       coverage: committedCoverage,
       unanswered: [