cli

Overview ¶

Package cli implements the focus command-line interface.

Run is the in-process entry point: it accepts argv (without the program name), an stdout writer, and an stderr writer, and returns the process exit code. main.go is a thin shim that calls Run with os.Args[1:] and os.Stdout/os.Stderr.

This shape lets the entire CLI be exercised from go test without exec'ing a subprocess. Each handler in this package follows the pattern: parse flags, call internal/board, format output. No business logic lives here — that's all in internal/board.