# Review R018 — Code review for Step 4

Verdict: **ACCEPT**

Reviewed changed files from `git diff 0e7b0bb..HEAD`:

- `CHANGELOG.md`
- `scripts/benchmark/kr5_benchmark_test.py`
- `taskplane-tasks/TP-100-analyzer-benchmark-harness/.reviews/R017-plan-step4.md`
- `taskplane-tasks/TP-100-analyzer-benchmark-harness/STATUS.md`

Validation run during review:

```bash
python3 -m unittest discover -s scripts/benchmark -p '*_test.py'
python3 scripts/benchmark/kr5_benchmark.py \
  --mode fixtures \
  --prompt-set scripts/benchmark/prompts/kr5_shared_prompts.json \
  --fixture-dir scripts/benchmark/testdata/fixtures \
  --output /tmp/kr5-results-check.json \
  --generated-at 2026-05-20T00:00:00Z \
  && cmp -s /tmp/kr5-results-check.json scripts/benchmark/results/kr5-results.json
```

Both commands passed.

## Findings

No blocking findings.

The new unittest coverage exercises the expected Step 4 guardrails: scoped analyzer prompts do not break a legacy fixture, v2 analyzer mode summaries preserve the committed raw-stream/token invariants, disabled analyzer catalog exposure is rejected, shared non-analyzer catalog payload drift is rejected, expected `source_tool_usage` counts are validated, and raw-stream pulls are counted only from top-level stream tool calls. The deterministic fixture regeneration also matches the committed result file.

## Non-blocking note

- `STATUS.md` has a small bookkeeping inconsistency: the review table records R017 as `ACCEPT`, and `.reviews/R017-plan-step4.md` is also `ACCEPT`, but the appended execution-history row says `Review R017 | plan Step 4: REVISE`. Please correct that during the next status update so the task history stays unambiguous.
