Fix ResultLogger dropping status and error fields

[cemde]

Description

The ResultLogger was only copying task_id and repeat_idx into filtered output, silently dropping the status and error fields. This made it hard to distinguish failures in persisted results. These are core metadata fields, not optional bulk data controlled by include_* flags.

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code quality improvement (refactoring, formatting, etc.)

Checklist

Contribution

• I have read the CONTRIBUTING.md guide.
• Commits follow "How to write a good git commit message"

Documentation

• Added/updated docstrings for new/modified functions as instructed CONTRIBUTING.md
• Updated relevant documentation in docs/ (if applicable)
• Tag github issue with this PR (if applicable)

Changelog

• Added entry to CHANGELOG.md under [Unreleased] section
  • Use Added section for new features
  • Use Changed section for modifications to existing functionality
  • Use Fixed section for bug fixes
  • Use Removed section for deprecated/removed features
• OR this is a documentation-only change (no changelog needed)

Example:
- Support for multi-agent tracing (PR:#123)

Architecture (if applicable)

• Core/Interface separation: Changes in maseval/core/ do NOT import from maseval/interface/
• Dependencies: New core dependencies added sparingly; framework integrations go to optional dependencies

Additional Notes

[github-actions]

Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
maseval/core
benchmark.py
maseval/core/callbacks
result_logger.py
Project Total

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