Fix: Add HF_TOKEN to fetchParquetFile for 401 error on parquet files

src/utils/parquetUtils.ts

@@ -52,7 +52,16 @@ export function formatStringWithVars(
 
 // Fetch and parse the Parquet file
 export async function fetchParquetFile(url: string): Promise<ArrayBuffer> {
-  const res = await fetch(url);
+  // Get token from environment (set in Space secrets)
+  const hfToken = process.env.HF_TOKEN;
+  const headers: HeadersInit = {};
+  
+  // Add Authorization header if token is available
+  if (hfToken) {
+    headers["Authorization"] = `Bearer ${hfToken}`;
+  }
+  
+  const res = await fetch(url, { headers });
   
   if (!res.ok) {
     throw new Error(`Failed to fetch ${url}: ${res.status} ${res.statusText}`);