# R019 code review — Step 5: Testing & Verification

Verdict: REVISE

## Findings

1. **[P1] Step 5 is marked complete while the checked-in prior reviews still block it.**  
   The new `STATUS.md` entry records Step 5 gates as complete (`STATUS.md:80-87`) and lists `R018` as `APPROVE` (`STATUS.md:121-122`), but the checked-in `.reviews/R018-plan-step5.md` says `Verdict: REVISE` and explicitly requires reconciling unresolved `R017` findings before running/accepting Step 5 (`.reviews/R018-plan-step5.md:3-11`). The Step 5 diff only adds `get_activity_histogram` to `internal/safety/adversarial_test.go`; it does not add the missing strict input/schema coverage or fixed-width raw-edge metadata coverage called out by `R017`. In HEAD, `internal/tools/get_activity_histogram_test.go` still has no tests for unknown fields, missing `activity_id`/`metric`, invalid non-histogram metrics, or the registered schema enum, and `internal/analysis/histogram_test.go:39-56` still uses only `min=0`, `max=10`, `width=1` without asserting raw `Min`/`Max`. Please either add the missing tests and get/record a follow-up approval, or correct the stale review files/status if there really was an external superseding approval.

2. **[P2] Verification status lacks traceable command evidence.**  
   `STATUS.md:83-87` checks off targeted tests, `make test`, `make build`, and `make lint`, but the execution log still stops at Step 0 (`STATUS.md:133-140`) and the targeted command is not named anywhere in the Step 5 section. The prior Step 5 plan review specifically asked to record the exact targeted command set before execution. Even though the gates pass when re-run locally, the task status should capture the commands/results used for this step so the checked boxes are auditable.

## Verification run during review

- `go test ./internal/safety` — passed.
- `go test ./internal/analysis ./internal/tools ./internal/toolcatalog ./cmd/gendocs` — passed.
- `make test` — passed.
- `make build && make lint` — passed (`golangci-lint`: 0 issues).
