Building a native terminal for AI coding agents in Rust + GPUI (opens in new tab)

Author: Arthur Jean, solo indie maker. More on paneflow.dev and arthurjean.com. Repo: github.com/ArthurDEV44/paneflow. MIT licensed. I spend my days running Claude Code, Codex, and OpenCode in parallel panes. Different agents on different branches, each with their own dev server, all in one terminal. tmux can do this, but every multiplexer I tried treated agents the same as any other shell process: no first-class branch context, no live dev-server detection, no session restore that survives a...