Run the full test suite and verify the implementation. Do NOT modify source code or tests. If tests fail, report the failures in your structured output — the implementer will fix them in a follow-up iteration.

## Work Request

{{#if has_guide}}
## Reference Guide (normative)

The following guidance is authoritative for this work-request. Treat any
conflict between the guide and the task description as a bug in the task
description, and surface it rather than silently resolving it.

{{guide_content}}

---

## Task

{{/if}}
{{work_request}}

{{#if implementation_summary}}
## Implementation Summary

{{implementation_summary}}
{{/if}}
