Build macOS Real-time Antivirus

I need a fully working antivirus application for macOS written in Swift or Objective-C. The core requirements are:

• Real-time, on-access scanning that runs quietly in the background and intercepts file events at the filesystem level.
• Automatic definition and engine updates pulled from my update server without user interaction.
• Automatic quarantine: as soon as malware, adware, or spyware is detected, the file should be isolated in a secure location and flagged for review. No user prompt should appear before the item is moved.

At minimum I expect:
1. A native macOS app bundle with sandbox-safe helper tools and any required kernel/system extensions or EndpointSecurity integration for live file monitoring.
2. A simple UI that shows scan status, last update time, and a list of quarantined items.
3. Signed source code, Xcode project, and build instructions so I can reproduce the final binary.
4. A short document describing the scanning engine, update mechanism, and quarantine path so future developers can extend it.

We already have scanning engine with defintions that are updated on a regular basis, we have also build a POC, we wanted to make that production ready.