fix(ui): не подменять неизвестный индекс маршрута нулём

components/data-grids/route-optimizer-comm-recs-data-grid.tsx

@@ -32,7 +32,8 @@ function Chip({ children, color }: { children: React.ReactNode; color?: string }
   )
 }
 
-function ProbChip({ prob, best }: { prob: number; best?: boolean }) {
+function ProbChip({ prob, best }: { prob: number | null; best?: boolean }) {
+  if (prob === null) return <span className="text-muted-foreground" aria-label="Индекс неизвестен">—</span>
   return (
     <Chip
       color={
@@ -141,9 +142,9 @@ function RouteOptimizerCommRecsDataGrid({
               <span>{r.recommended.jh}</span>
               <ArrowRightIcon aria-hidden="true" className="size-3 shrink-0 opacity-60" />
               <span>{r.recommended.exit}</span>
-              {r.shouldSwitch && !isPinned && (
+              {r.shouldSwitch && r.current && !isPinned && (
                 <span className="ml-1 text-[10px] font-bold bg-warning/10 border border-warning/20 px-1.5 py-0.5 rounded">
-                  +{(r.recommended.prob ?? 0) - (r.current?.prob ?? 0)} б.
+                  +{r.recommended.prob - r.current.prob} б.
                 </span>
               )}
             </div>
@@ -164,9 +165,9 @@ function RouteOptimizerCommRecsDataGrid({
           const pinKey = `${homeId}::${r.community}`
           return (
             <div className="flex items-center justify-center gap-1">
-              <ProbChip prob={r.current?.prob ?? 0} />
+              <ProbChip prob={r.current?.prob ?? null} />
               <span className="text-muted-foreground text-[10px]">/</span>
-              <ProbChip prob={r.recommended?.prob ?? 0} best={r.shouldSwitch && !pinned.has(pinKey)} />
+              <ProbChip prob={r.recommended?.prob ?? null} best={r.shouldSwitch && !pinned.has(pinKey)} />
             </div>
           )
         },