[Python] How to implement chain proxy support in a cross-platform GUI for Cloudflare Warp?

I'm developing PyWarp, a cross-platform GUI wrapper for Cloudflare Warp, built with PySide6. It currently supports basic proxy mode, but I'm working on adding chain proxy support—where users can route traffic through multiple proxies (e.g., SOCKS5 → Warp / Warp → SOCKS5).

I've explored using proxychains and custom routing logic, but I'm running into platform-specific challenges, especially on Windows and macOS. Ideally, I'd like a solution that:

• Works across Windows, Linux, and macOS
• Can be integrated into a PySide6 GUI
• Doesn't require users to install external tools manually

Has anyone implemented something similar or can suggest a robust approach? Any insights or references would be greatly appreciated!

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