{
  "settings": {
    "index": {
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "mapping.total_fields.limit": 2000,
      "mapping.depth.limit": 50,
      "mapping.nested_objects.limit": 50000,
      "max_result_window": 500000,
      "analysis": {
        "analyzer": {
          "my_bm25": {
            "type": "custom",
            "tokenizer": "standard",
            "filter": ["lowercase"]
          }
        }
      }
    }
  },

  "mappings": {
    "properties": {
      "content": {
        "type": "text",
        "analyzer": "my_bm25"
      },

      "title": { "type": "keyword" },
      "source": { "type": "keyword" },
      "session_date": { "type": "keyword" },
      "chunk_index": { "type": "integer" },

      "embedding": {
        "type": "dense_vector",
        "dims": 1024,
        "index": true,
        "similarity": "cosine"
      },

      "hyde_embedding": {
        "type": "dense_vector",
        "dims": 1024,
        "index": false
      },

      "summary_embedding": {
        "type": "dense_vector",
        "dims": 1024,
        "index": false
      }
    }
  }
}