fix: improve HuggingFace large file upload

- Fix commitUpload missing url parameter for endUpload
- Implement incremental SHA256 hash algorithm for large files
- Use 4MB chunks for SHA256 calculation to reduce memory pressure
- Support files of any size without memory overflow

functions/api/huggingface/commitUpload.js

@@ -113,10 +113,13 @@ export async function onRequestPost(context) {
         await db.put(fullId, "", { metadata });
 
         // 结束上传（更新索引等）
+        // 构造 url 对象用于 endUpload
+        const url = new URL(request.url);
         const uploadContext = {
             env,
             waitUntil,
-            uploadConfig
+            uploadConfig,
+            url
         };
         waitUntil(endUpload(uploadContext, fullId, metadata));