powerio-cli-0.3.0 is not a library.
powerio-cli
powerio-cli provides the powerio command for format conversion, matrix
export, DC OPF bundles, PTDF/LODF exports, GridFM Parquet export, synthetic case
generation, verification, and the ratatui TUI.
powerio convert tests/data/case14.m --to psse -o case14.raw
powerio verify tests/data/case30.m --kind bdoubleprime
powerio dcopf tests/data/case30.m -o out
powerio sensitivities tests/data/case30.m -o out
powerio
The workspace README has install notes and library examples: https://github.com/eigenergy/powerio.