Claude Code as an iii worker — claude::* runs headless turns and claude::terminal::* runs the same CLI in a shell::pty session on its own console page. Both publish raw messages on the claude::raw-event trigger type and AgentEvent frames on claude::agent-event.
OpenAI Codex as an iii worker; codex::run/start/stop/status/sessions::list spawn the codex CLI for headless turns, deliver raw thread events on the codex::raw-event trigger type and AgentEvent frames on codex::agent-event.
pi coding agent as an iii worker — pi::run drives headless turns and pi::terminal::* runs the same agent in a shell::pty session on its own console page. Both publish raw events on the pi::raw-event trigger type and AgentEvent frames on pi::agent-event.
OpenCode as an iii worker — opencode::* functions run headless OpenCode turns, deliver raw JSON events on the opencode::raw-event trigger type and AgentEvent frames on opencode::agent-event.