Complete the content quality and spam detection system:

• Language detection and classification
• Freshness scoring improvements
• Authority metrics implementation
• Content moderation system
• ML model integration for quality scoring
• Automated scoring pipeline
• Threshold management system
• Manual review workflow
• Quality dashboards and reporting
• Spam pattern detection enhancements

Status: Partially Complete (3/12 tasks - 25%) Priority: High Estimated Effort: 3-4 weeks