Download evaluation report HTML from S3 storage.
The HTML report is saved to S3 after the evaluation job completes. This is the preferred report format - can be viewed in browser or printed to PDF.
Args: evaluation_id: UUID of the evaluation team_id: Team ID that owns this evaluation (required query parameter) claims: JWT claims with user and team info diamond_domain: Diamond domain orchestrator (not used, kept for API consistency) storage: Evaluation storage adapter
Returns: HTML file response
Raises: HTTPException: 404 if report not found in storage, 403 if no permission