🎯 AI Assignment System Implementation

Description

Implement AI-powered referee assignment suggestions based on the requirements in CLAUDE.md

Requirements

• Lightweight LLM integration for assignment suggestions
• Consider proximity, level, availability, comments, past games
• User-defined assignment rules
• Integration with existing assignment workflow

Acceptance Criteria

• AI service can suggest optimal referee assignments
• User can configure assignment rules and preferences
• System considers all relevant factors (distance, experience, availability)
• Suggestions are presented in an intuitive interface

Technical Notes

• Backend: backend/src/services/aiServices.js exists but needs implementation
• Frontend: components/ai-assignments-simple.tsx exists but needs completion
• Route: backend/src/routes/ai-suggestions.js exists

Priority

High - Core feature mentioned multiple times in requirements