Create a new chat session.

POST /session

Request Body:

{
  "title": "My DeFi Research",     // Optional: Custom session title
  "is_public": true,               // Optional: Make session publicly accessible
  "context_filter": {              // Optional: Filter data sources
    "chain_ids": [1],             
    "contract_addresses": ["0x..."]
  }
}

Example curl:

curl -X POST https://nebula-api.thirdweb.com/session \
  -H "Content-Type: application/json" \
  -H "x-secret-key: YOUR_THIRDWEB_SECRET_KEY" \
  -d '{
    "title": "My DeFi Research",
    "is_public": true,
    "context_filter": {
      "chain_ids": [1]
    }
  }'