absolute-dotfiles/.config/opencode/plugin/terminal-bell.ts

import type { Plugin } from "@opencode-ai/plugin"

export const NotificationPlugin: Plugin = async ({ project, client, $, directory, worktree }) => {
    return {
        event: async ({ event }) => {
            // Send notification on session completion
            if (event.type === "session.idle") {
                await $`osascript -e 'display notification "Session completed!" with title "opencode"'`
            }
        },
    }
}