Add Cursor and Grok harnesses - #2
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- Cursor: spawns cursor-agent/agent in ask mode (--mode ask), streams stream-json partials, resumes via --resume, lists models from the CLI model table; ASK_CURSOR_BIN override. - Grok: spawns grok (PATH or ~/.grok/bin) in read-only plan mode, parses streaming-json events (text/end/error), resumes via --resume, hardcodes xAI reasoning effort levels; ASK_GROK_BIN override. - Register both in DEFINITIONS with aliases and tests; document in README.
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Adds two new harnesses to the existing Codex / Claude Code / OpenCode / Pi set.
Cursor
cursor-agent(env override:ASK_CURSOR_BIN, e.g.cursor-work-agent)--mode ask(Q&A mode makes no edits),--trustfor headless runsstream-jsonpartials with--stream-partial-output; final untimestamped assistant message is the answer,resultevent carries the session ID--resume <chat_id>models()parses thecursor-agent modelstable (auto, composer family, codex, cursor-grok, opus, etc.)Grok
grok(env override:ASK_GROK_BIN), xAI Grok Build CLI--permission-mode plan, plus--no-auto-updatefor scriptsstreaming-jsonNDJSON events (textdeltas,error, terminalendwithsession_id)--resume <session_id>grok models; hardcoded xAI reasoning effort levels (minimal/low/medium/high) since the CLI reports noneNotes
agent; ask calls the unambiguouscursor-agentname for Cursor so the two never collidecargo fmt --check,cargo test --locked,cargo clippy --locked --all-targets -- -D warningsall pass (89 tests)