Add FTP Support in Backup & Sync with Auto-Sync and Cloud Cleanup Features

[AmirhosseinBrooklyn]

Hello Karing Dev Team,

First of all, thank you for building such a powerful and user-friendly tool.

I have a feature request regarding the Backup and Sync section. Currently, WebDAV and LAN Sync are supported, but I believe adding FTP support across all Karing platforms would be a very useful and low-cost enhancement. FTP is simple, reliable, and widely supported—even by many personal NAS devices and cloud storage setups.

Its absence is truly felt, and adding it would be a great distinguishing feature for users looking for an easy, accessible way to manage sync and backups.

Additionally, I would like to suggest the following features for both FTP and WebDAV sections:

Suggested Features

1. Auto Sync (Cloud-Based)
   Similar to Auto Backup, please add an option to enable auto-upload and auto-download of selected data. This would allow:

   • One main device to act as the "uploader"
   • Other devices to automatically fetch the latest synced data
   • A seamless, continuous sync experience across devices
   • No need for manual syncing every time

2. Remote Cleanup of Uploaded Data
   Add the ability to remotely delete or clean up specific uploaded settings or files from the FTP/WebDAV server.
   This helps with storage management and avoids clutter over time.

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Thank you for considering this request!