Запрос к BigQuery через агента OpenAI с созданием и очисткой SQL-конвейера

### 2. AI Agent equipped with the query tool In order to have more control on the input of the BigQuery node, we don't use the BigQuery tool. Instead we have a set of nodes to retrieve the SQL query, clean it and send it to a BigQuery Node. #### How to setup? - AI Agent with the Chat Model: 1. Add a chat model with the required credentials *(Example: Open AI 4o-mini)* 2. Adapt the name of your BigQuery table in the system prompt *(Example: transports.shipments)* 3. Adapt the tables fields explanation in the system prompt [Learn more about the AI Agent Node]({{ $env.WEBHOOK_URL }} - Copy and past the nodes in the yellow sticker in another workflow. Point the query tool to this workflow. [Learn more about the Custom n8n Workflow Tool node]({{ $env.WEBHOOK_URL }}