{
  "best_strategy": "Strategy 1 (Basic)",
  "embedding_model": "sentence-transformers/all-MiniLM-L6-v2",
  "llm_model": "gpt-4o-mini",
  "chunk_size": 500,
  "chunk_overlap": 100,
  "top_k": 3,
  "knowledge_sources": [
    "who_healthy_diet.pdf",
    "dge_10_regeln.pdf",
    "harvard_healthy_eating.pdf"
  ],
  "total_chunks": 80,
  "evaluation_summary": {
    "strategy_1_keyword_coverage": 0.59375,
    "strategy_2_keyword_coverage": 0.3645833333333333,
    "strategy_1_avg_tokens": 356.0,
    "strategy_2_avg_tokens": 493.75
  }
}