- NASTransferProtocol: add deleteFile(at:) to enable server-side deletion
- SFTPService: implement deleteFile using Citadel sftp.remove(at:)
- SMBService: implement deleteFile using SMBClient deleteFile(path:)
- SyncView FREE UP SPACE: two new cards —
• "Clean up screenshots" — shows count of phone screenshots already
backed up to NAS, opens review sheet for bulk PHPhotoLibrary deletion
• "NAS screenshot quarantine" — identifies NAS files that match phone
screenshots, offers to move them into a Screenshots/ subfolder via
download → writeData → deleteFile per file
Co-Authored-By: Kutesir <kutesir@provoc.ug>
Co-Authored-By: Sentry <sentry@provoc.ug>
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