fix(notifications): a row is named by what it is about, not its kind alone

frontend/src/modules/notifications/NotificationsPanel.tsx

@@ -690,7 +690,9 @@ function NotificationRow({
   }
   return (
     <div
-      {...navItemAttrs(navIndex, title)}
+      // Named by what it is about, not its kind alone: every "Download ready" read the same to a
+      // screen reader, and Back could not tell the row it was opened from by its name.
+      {...navItemAttrs(navIndex, body ? `${title}: ${body}` : title)}
       {...rowProps}
       className={`${SURFACE.card} group p-3.5 flex items-start gap-3 transition ${
         n.read ? "opacity-70" : ""
@@ -786,7 +788,7 @@ function ClientActivityRow({
   const access = n.meta?.kind === "access-requests" ? n.meta : null;
   return (
     <div
-      {...navItemAttrs(navIndex, n.title || n.message)}
+      {...navItemAttrs(navIndex, n.title ? `${n.title}: ${n.message}` : n.message)}
       {...rowProps}
       className={`${SURFACE.card} group p-3.5 flex items-start gap-3 ${needsAction ? "ring-1 ring-accent/30" : ""}`}
     >