# Review by Principal Systems Engineer (Google/Stripe caliber) (Round 1)

## Review Complete

**VERDICT: request-changes**

Here's my assessment as Principal Systems Engineer:

### What's Good
- **Clean architecture**: `ci.py` mirrors `github.py` patterns perfectly — subprocess calls, error handling, timeout management
- **Strong sanitization**: Two-pass defense (XML stripping + secret regex) with good test coverage (210 new tests)
- **Complete PRD coverage**: All FR1–FR26 implemented, all tasks marked done
- **Full test suite green**: 767 tests pass with no regressions

### Critical Issues Requiring Changes

1. **Silent `git push` failure** (cli.py:1517 & orchestrator.py:1347) — When push fails after the agent commits a fix, the error is printed but execution continues. The next retry polls CI for a commit that never landed, burning agent budget and time. At 3am in auto-mode, this is invisible. **Must check push return code and abort/retry appropriately.**

2. **Missing orchestrator integration tests** (task 7.1) — `_run_ci_fix_loop` has real branching logic (PR number extraction from artifacts, retry loops, budget interaction) but the only test change in `test_orchestrator.py` is updating the phase enum ordering assertion. The actual loop is untested.

### Medium Issues
3. **Duplicated wait logic** in cli.py (two near-identical branches for `attempt < max_retries` vs `>=`) — bug fix in one branch will be missed in the other
4. **Custom `_save_ci_fix_run_log`** hand-rolls JSON serialization instead of reusing `_save_run_log` — will silently drop new RunLog fields
5. **Empty state treated as terminal** in `poll_pr_checks` — could cause premature exit if GitHub returns empty state for a not-yet-started check

The review artifact has been saved to `cOS_reviews/reviews/principal_systems_engineer_google_stripe_caliber/`.