feat(telemetry): matchup and direction context in timelines; live error groups

- h2h_viewed carries who-v-who, stats_sorted carries asc/desc via a
  timeline-only context prop
- error browser aggregates raw rows so new groups appear immediately
- catalogs re-extracted for shifted line references

src/features/players/components/player-stats-table.tsx

@@ -293,11 +293,10 @@ const PlayerStatsTable = ({ viewType = 'all' }: PlayerStatsTableProps) => {
   }, [navigate]);
 
   const handleSort = (key: SortKey) => {
-    track("stats_sorted", { value: key });
-    setSortConfig((prev) => ({
-      key,
-      direction: prev.key === key && prev.direction === "desc" ? "asc" : "desc",
-    }));
+    const direction =
+      sortConfig.key === key && sortConfig.direction === "desc" ? "asc" : "desc";
+    track("stats_sorted", { value: key, context: direction });
+    setSortConfig({ key, direction });
   };
 
   const getSortIcon = (key: SortKey) => {