# R001 Code Review — Step 3: Shape the response for v0.1

## Verdict

**Approve.** The Step 3 response-shaping changes now align with the documented v0.1 contract: the registry/tool path carries a non-secret timezone fallback, missing fallbacks default to `config.DefaultTimezone`, public unit labels are stable, and the default vs `include_full` boundary remains terse and credential-safe.

## Findings

No blocking findings.

## Notes

- `profileTimezone` prefers the upstream athlete timezone and falls back to the configured/default timezone, so `_meta.timezone_convention` is now accurate when callers use `NewRegistry`.
- `normalizedMeasurementPreference` keeps explicit metric/imperial upstream preference independent from `weight_pref_lb`; `weight_pref_lb` only controls `units.weight` unless no measurement preference is available.
- The `include_full: true` delta remains limited to the agreed typed fields: `measurement_preference_source`, `sport_setting_id`, and normalized `sport_setting_athlete_id`.
- Step 4 should add tests for timezone fallback/defaulting, measurement preference normalization, default-vs-full omissions, `_meta.server_version`, and normalized athlete IDs.

## Checks run

- `git diff d0e5154..HEAD --name-only`
- `git diff d0e5154..HEAD`
- `go test ./...` — passed
- `gofmt -l internal/tools/get_athlete_profile.go internal/tools/registry.go` — no output
- `go vet ./...` — passed
