codewhale-tui 0.8.63

Terminal UI for open-source and open-weight coding models
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//! `/agent` command.

use crate::commands::traits::{CommandInfo, RegisterCommand};
use crate::localization::MessageId;
use crate::tui::app::{App, AppAction};

use super::CommandResult;

pub(in crate::commands) const COMMAND_INFO: CommandInfo = CommandInfo {
    name: "agent",
    aliases: &["daili"],
    usage: "/agent [N] <task>",
    description_id: MessageId::CmdAgentDescription,
};

pub(in crate::commands) struct AgentCmd;

impl RegisterCommand for AgentCmd {
    fn info() -> &'static CommandInfo {
        &COMMAND_INFO
    }

    fn execute(app: &mut App, arg: Option<&str>) -> CommandResult {
        agent(app, arg)
    }
}

pub fn agent(_app: &mut App, arg: Option<&str>) -> CommandResult {
    let (max_depth, task) = match super::util::parse_depth_prefixed_arg(arg, 1) {
        Ok(parsed) => parsed,
        Err(message) => return CommandResult::error(message),
    };
    let task = match task {
        Some(task) if !task.trim().is_empty() => task.trim().to_string(),
        _ => {
            return CommandResult::error(
                "Usage: /agent [N] <task>\n\n\
                 Opens a persistent sub-agent session with recursive agent depth N (0-3, default 1).",
            );
        }
    };
    let message = format!(
        "Launch one sub-agent for this task by calling `agent` with name `slash_agent`, `prompt: {task:?}`, and `max_depth: {max_depth}`. Use `handle_read` on the returned transcript_handle if you need more detail. Verify any claimed side effects before reporting success."
    );
    CommandResult::with_message_and_action(
        format!("Opening persistent sub-agent at depth {max_depth}..."),
        AppAction::SendMessage(message),
    )
}