```json { "action": "tool_call", "reasoning": "I have column metadata from inspect_columns for cleandata and cleandata_v2, plus partial metadata from meta.columns for boxing_aj and boxing_klitschko. To provide a complete classification across all 10 tables, I need to query the full column metadata systematically. I'll query meta.columns to get phys_type and semantic_role for all tables, then aggregate by classification category.", "tool": "query_sql", "args": { "sql": "SELECT table_name, column_name, phys_type, semantic_role, rough_kind FROM meta.columns ORDER BY table_name, column_name", "purpose": "Get complete column metadata across all tables to classify columns by type (identifiers, categorical dimensions, numeric metrics, dates/times)", "source": "raw" } } ```