effect-cli

Structure

Command.run(command, { name, version })
├── Command (parent)
│   ├── Options (named flags: --verbose, --depth 5)
│   ├── Args (positional: <repo> <path>)
│   └── Command.withSubcommands([...])
│       ├── Command (child — can yield* parent for its config)
│       └── Command (child)

Minimal App

import { Command, Options, Args } from "@effect/cli"
import { NodeContext, NodeRuntime } from "@effect/platform-node"
import { Console, Effect } from "effect"