{
    "action": "tool_call",
    "reasoning": "I need to understand the core operational metrics. The dataset is a telemetry platform, so the most important metric is likely related to processing volume or activity. Let me examine the batches table to see what metrics are tracked and what their scale is. This will help identify the primary operational metric.",
    "tool": "inspect_columns",
    "args": {
        "table": "batches"
    }
}