Fix govinfo-bulk listing parser for GovInfo XML structure

src/utils/govinfo-bulk-listing.ts

@@ -53,14 +53,17 @@ export function parseGovInfoBulkListing(xml: string, baseUrl: string): GovInfoBu
       name,
       href,
       url: url.toString(),
-      kind: classifyListingEntry({ name, href, url: url.toString() }),
+      kind: classifyListingEntry({ name, href, url: url.toString() }, entry),
     });
   }
 
   return dedupeEntries(entries);
 }
 
-export function classifyListingEntry(entry: Pick<GovInfoBulkListingEntry, 'name' | 'href' | 'url'>): 'directory' | 'file' {
+export function classifyListingEntry(entry: Pick<GovInfoBulkListingEntry, 'name' | 'href' | 'url'>, rawEntry?: Record<string, unknown>): 'directory' | 'file' {
+  if (rawEntry?.folder === true || rawEntry?.folder === 'true') {
+    return 'directory';
+  }
   if (entry.href.endsWith('/') || entry.name.endsWith('/') || new URL(entry.url).pathname.endsWith('/')) {
     return 'directory';
   }
@@ -84,6 +87,12 @@ function findEntriesRoot(parsed: unknown): unknown {
     throw new Error('invalid_listing_payload: listing XML did not parse into an object');
   }
 
+  // GovInfo XML: <data><files><file>...</file></files></data>
+  const data = parsed.data;
+  if (isRecord(data) && data.files) {
+    return data.files;
+  }
+
   return parsed.directory ?? parsed.listing ?? parsed.files ?? parsed;
 }
 
@@ -120,6 +129,9 @@ function readStringField(entry: Record<string, unknown>, fields: string[]): stri
     if (typeof value === 'string' && value.trim().length > 0) {
       return value.trim();
     }
+    if (typeof value === 'number') {
+      return String(value);
+    }
   }
   return null;
 }