babysit 0.8.0

Wrap a shell command in a PTY and expose it to external AI agents (Claude / Codex) via subcommands
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use anyhow::{Context, Result};
use directories::BaseDirs;
use std::path::PathBuf;

pub fn root() -> Result<PathBuf> {
    let base = BaseDirs::new().context("could not determine home directory")?;
    Ok(base.home_dir().join(".babysit"))
}

pub fn sessions_dir() -> Result<PathBuf> {
    Ok(root()?.join("sessions"))
}

pub fn session_dir(id: &str) -> Result<PathBuf> {
    Ok(sessions_dir()?.join(id))
}

pub fn meta_path(id: &str) -> Result<PathBuf> {
    Ok(session_dir(id)?.join("meta.json"))
}

pub fn status_path(id: &str) -> Result<PathBuf> {
    Ok(session_dir(id)?.join("status.json"))
}

pub fn output_log_path(id: &str) -> Result<PathBuf> {
    Ok(session_dir(id)?.join("output.log"))
}

pub fn control_socket_path(id: &str) -> Result<PathBuf> {
    Ok(session_dir(id)?.join("control.sock"))
}

/// Optional attention note set by `babysit flag`. Its presence means the
/// session is flagged for a human; its contents are the message.
pub fn note_path(id: &str) -> Result<PathBuf> {
    Ok(session_dir(id)?.join("note"))
}