# Review by Andrej Karpathy (Round 2)

Here's my review as Andrej Karpathy:

---

## Review Summary

**VERDICT: request-changes**

The branch went from zero implementation (round 1) to a **well-structured 687-line daemon with 57 passing tests** — a solid V1. The core architecture is right: polled main loop, static priority tiers, atomic state persistence with `fsync`, budget enforcement, circuit breaker, crash recovery, PID lock. The code follows the project's existing patterns cleanly.

### Three blocking issues:

1. **FR-11 Slack Kill Switch has no control plane** — The `DaemonState.paused` field exists and the executor respects it, but there's no Slack command handler that recognizes "pause"/"resume"/"status" from allowed users. This is the most critical safety feature for unattended operation — without it, the only way to stop the daemon is SSH.

2. **FR-6 Budget alert notifications missing** — Budget enforcement correctly stops execution when exhausted, but the Slack alerts at 80% and 100% thresholds aren't posted. The daemon going silent when it stops is worse than actively notifying operators.

3. **`WatchdogSec=120` in systemd unit without `sd_notify` support** — This will cause systemd to kill and restart the daemon every 2 minutes in production. Either implement `sd_notify("WATCHDOG=1")` calls or remove the directive.

### Minor issues (non-blocking):
- `poll_new_issues()` in `github.py` is dead code (daemon reimplements inline)
- Daily digest scheduling not implemented (config exists, no trigger logic)
- `_pending_count()` asymmetry with `_next_pending_item()` deserves a comment

Fix the three blockers and this is an approve. Full review written to `cOS_reviews/reviews/andrej_karpathy/20260329_155000_round2_...md`.