Chore: minor changes

Build/lib/create-file.ts

@@ -29,8 +29,8 @@ export async function compareAndWriteFile(span: Span, linesA: string[], filePath
 
     // The default highwater mark is normally 16384,
     // So we make sure direct write to file if the content is
-    // most likely less than 500 lines
-    if (linesALen < 500) {
+    // most likely less than 250 lines
+    if (linesALen < 250) {
       return writeFile(filePath, fastStringArrayJoin(linesA, '\n') + '\n');
     }
 

Build/lib/fetch-assets.ts

@@ -35,6 +35,9 @@ export async function fetchAssets(
       console.log(picocolors.gray('[fetch cancelled]'), picocolors.gray(url));
       throw reusedCustomAbortError;
     }
+    if (index >= 0) {
+      console.log(picocolors.yellowBright('[fetch fallback begin]'), picocolors.gray(url));
+    }
     const res = await $$fetch(url, { signal: controller.signal, ...defaultRequestInit });
 
     let stream = nullthrow(res.body, url + ' has an empty body')