# Review by Andrej Karpathy (Round 2)

## Review Complete — Andrej Karpathy

**VERDICT: approve**

**FINDINGS:**
- [deploy/provision.sh]: API key prompts use `read -r` instead of `read -rs` — keys are visible in terminal during entry. Non-blocking but worth hardening.
- [scripts/generate-homebrew-formula.sh]: `setuptools<78` pin will eventually need updating — add a comment linking to the upstream pkg_resources deprecation timeline.
- [.github/workflows/release.yml]: Token in clone URL is visible in process table; credential helper would be more defensive. Mitigated by ephemeral CI environment.
- [scripts/generate-homebrew-formula.sh]: Awk-based filtering of poet output is fragile against format changes. Acceptable given poet's stable output format.

**SYNTHESIS:**
This is a clean, well-structured infrastructure PR that does exactly what the PRD asks for — no more, no less. The implementation shows good engineering judgment: deterministic formula generation, proper concurrency control, graceful degradation (warn not block on non-git repos), and durable failure notification. The shell scripts are well-organized with proper argument parsing, validation, and error handling. All 400 tests pass with no regressions. From an AI engineering perspective, there's nothing here that interacts with the LLM layer, so the main risk vectors (prompt injection, stochastic output handling, autonomy boundaries) don't apply. The `detect_install_method()` heuristic is appropriately simple — checking `sys.executable` path substrings is the right level of complexity without overengineering. The four non-blocking findings are all hardening suggestions, not correctness issues. Ship it.

Review saved to `cOS_reviews/reviews/andrej_karpathy/20260330_182656_round1_add_brew_installation_we_should_be_able_to_have.md`.
