- 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
- Add frontend direct upload to HuggingFace S3, bypassing CF Workers limits
- Add /api/huggingface/getUploadUrl endpoint to get LFS upload URLs
- Add /api/huggingface/commitUpload endpoint to commit file references
- Support multipart upload for very large files
- SHA256 computed in frontend to avoid CF Workers CPU timeout
- Small files (<20MB) still use proxy upload through CF Workers
