```json { "action": "tool_call", "reasoning": "I have column metadata from inspect_columns showing phys_type and semantic_role for cleandata and cleandata_v2, plus repeated queries on meta.columns. I need to compile a comprehensive classification across ALL 10 tables. The cleandata tables show typed columns (BIGINT, VARCHAR, DOUBLE, TIMESTAMP), but the boxing_* tables show everything as 'object' type. I should query the full column catalog to get complete type information for all tables, then classify them into the four requested categories: identifiers, categorical dimensions, numeric metrics, and dates/times.", "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 for all tables to classify columns by type: identifiers, categorical dimensions, numeric metrics, and temporal fields", "source": "raw" } } ```