v0.1.27

Added

• staging_mode config that logs instead of sending email
• (upload) GET /fileupload/{uuid}/status for cross-refresh resume

Fixed

• address dead UUID check and copy-paste error in upload_chunk
• add HTTP Range support to /filedownload

Other

• add regression test for invalid_uuid reason on upload_chunk
• resolve conflicts with main (download route)
• (upload) cover /status preflight + deadline-extension AC