I Built a Pure-Zsh Prompt Engine That Renders in 0.6ms (Without Rust or C++)

For years, developers optimizing their shell prompts have faced a binary dilemma: Starship : Beautiful, portable, and feature-packed, but written in Rust. Every single prompt render forks an external process ( starship prompt ). On macOS security layers or large monorepos, process invocation latency adds up. Powerlevel10k : Blazing fast, but relies on a compiled C++ companion binary ( gitstatusd…