{
    "action": "tool_call",
    "reasoning": "I have the beer_ratings table columns with their semantic roles from step-0. Now I need to get the same metadata for the other 12 tables to provide a complete classification across the entire dataset. I'll start with the beers table since it's the second largest and likely contains important dimensions.",
    "tool": "inspect_columns",
    "args": {
        "table": "beers"
    }
}