Define Quality Metrics (Karenina-Style Benchmarks)

[slobentanzer]

Short Description
Define quality dimensions for evaluating workflow steps (e.g., data credibility, interpretability, completeness) inspired by Karenina benchmarking.

Deliverables

• Benchmark rubric and example annotations
• Schema for benchmark storage and FAIR sharing
• Example evaluation of one workflow step

Dependencies
#95 and #99