Function calculateQualityScore

calculateQualityScore(metrics: QualityMetrics): number
Calculate overall quality score

Weights:
- Analytical depth: 30%
- Party perspectives: 25%
- Cross-references: 25%
- "Why This Matters": 10%
- Historical context: 5%
- International comparison: 5%
Parameters
- metrics: QualityMetrics
  Individual quality metrics
Returns number
Overall score 0.0-1.0
- Defined in scripts/article-quality-enhancer.ts:274