enrich and save sse

src/FetchRequestDetail.tsx

@@ -145,7 +145,7 @@ export default function FetchRequestDetail() {
 
   const [sseEvents, setSseEvents] = React.useState<SSEEvent[]>([]);
   const [sseConnected, setSseConnected] = React.useState(false);
-  const [liveParsedCount, setLiveParsedCount] = React.useState<number>(0);
+  const [liveParsedCount, setLiveParsedCount] = React.useState<number | undefined>(undefined);
   const [stepStats, setStepStats] = React.useState<Record<string, number>>({});
   const sseRef = React.useRef<EventSource | null>(null);
   const feedRef = React.useRef<HTMLDivElement>(null);
@@ -262,14 +262,14 @@ export default function FetchRequestDetail() {
   const progressPercent = React.useMemo(
     () => computeProgressPercent(
       (fetchRequest as any)?.status as FetchRequestStatus ?? "pending",
-      liveParsedCount,
+      liveParsedCount ?? 0,
       seenSteps,
     ),
     [fetchRequest, liveParsedCount, seenSteps],
   );
 
   const displayParsedCount = React.useMemo(() => {
-    if (liveParsedCount > 0) return liveParsedCount;
+    if (liveParsedCount && liveParsedCount > 0) return liveParsedCount;
     const source = (fetchRequest as any)?.source;
     const persistedCount = source?.txn_dict_count ?? source?.txn_dicts_count ?? 0;
     if (persistedCount > 0) return persistedCount;