zeph-commands 0.19.0

Slash command registry, handler trait, and channel sink abstraction for Zeph
Documentation 
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// SPDX-FileCopyrightText: 2026 Andrei G <bug-ops>
// SPDX-License-Identifier: MIT OR Apache-2.0

//! Skill command handlers: `/skill`, `/skills`, `/feedback`.
//!
//! These handlers delegate to `AgentAccess` methods which in turn call the
//! `_as_string` variants in `zeph-core`. The clone-before-await pattern in the
//! `AgentAccess` impl ensures the returned futures are `Send`-safe.

use std::future::Future;
use std::pin::Pin;

use crate::context::CommandContext;
use crate::{CommandError, CommandHandler, CommandOutput, SlashCategory};

/// Load, manage, and create skills.
///
/// Subcommands: `stats`, `versions`, `activate`, `approve`, `reset`, `trust`,
/// `block`, `unblock`, `install`, `remove`, `create`, `scan`, `reject`.
pub struct SkillCommand;

impl CommandHandler<CommandContext<'_>> for SkillCommand {
    fn name(&self) -> &'static str {
        "/skill"
    }

    fn description(&self) -> &'static str {
        "Load and display a skill body, or manage skill lifecycle"
    }

    fn args_hint(&self) -> &'static str {
        "<name|subcommand>"
    }

    fn category(&self) -> SlashCategory {
        SlashCategory::Skills
    }

    fn handle<'a>(
        &'a self,
        ctx: &'a mut CommandContext<'_>,
        args: &'a str,
    ) -> Pin<Box<dyn Future<Output = Result<CommandOutput, CommandError>> + Send + 'a>> {
        Box::pin(async move {
            let result = ctx.agent.handle_skill(args).await?;
            Ok(CommandOutput::Message(result))
        })
    }
}

/// List loaded skills.
///
/// Subcommands: (none) list all; `confusability` show pairs with high embedding similarity.
pub struct SkillsCommand;

impl CommandHandler<CommandContext<'_>> for SkillsCommand {
    fn name(&self) -> &'static str {
        "/skills"
    }

    fn description(&self) -> &'static str {
        "List loaded skills (grouped by category when available)"
    }

    fn category(&self) -> SlashCategory {
        SlashCategory::Skills
    }

    fn handle<'a>(
        &'a self,
        ctx: &'a mut CommandContext<'_>,
        args: &'a str,
    ) -> Pin<Box<dyn Future<Output = Result<CommandOutput, CommandError>> + Send + 'a>> {
        Box::pin(async move {
            let result = ctx.agent.handle_skills(args).await?;
            Ok(CommandOutput::Message(result))
        })
    }
}

/// Submit feedback for a skill invocation.
pub struct FeedbackCommand;

impl CommandHandler<CommandContext<'_>> for FeedbackCommand {
    fn name(&self) -> &'static str {
        "/feedback"
    }

    fn description(&self) -> &'static str {
        "Submit feedback for a skill"
    }

    fn args_hint(&self) -> &'static str {
        "<skill> <message>"
    }

    fn category(&self) -> SlashCategory {
        SlashCategory::Skills
    }

    fn handle<'a>(
        &'a self,
        ctx: &'a mut CommandContext<'_>,
        args: &'a str,
    ) -> Pin<Box<dyn Future<Output = Result<CommandOutput, CommandError>> + Send + 'a>> {
        Box::pin(async move {
            let result = ctx.agent.handle_feedback_command(args).await?;
            Ok(CommandOutput::Message(result))
        })
    }
}