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sft.json

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+{
+  "created_at": "2026-11-08T17:13:40.116563+00:00",
+  "model": "/tmp/sft-merged",
+  "variant": "tuned",
+  "sql_retries": 0,
+  "trained": true,
+  "split": "test",
+  "case_file_sha256": "cb23d6b81e95baec8a6977f56dd0f9c9b9cc3a83d9a155323ec2577deba87a03",
+  "completed": 18,
+  "planned": 18,
+  "successes": 2,
+  "outcomes": [
+    {
+      "id": "paid-profit-01",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT p.id,p.name,SUM(oi.quantity*(p.price-oi.cost)) AS profit FROM products p JOIN order_items oi ON p.id=oi.product_id WHERE oi.order_status='paid' GROUP BY p.id,p.name ORDER BY profit DESC LIMIT 1"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 24544
+    },
+    {
+      "id": "paid-profit-02",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        },
+        {
+          "name": "Keyboard",
+          "profit": 110.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT name,profit FROM products ORDER BY profit,id LIMIT 2"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 2254
+    },
+    {
+      "id": "paid-profit-03",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        },
+        {
+          "name": "Keyboard",
+          "profit": 110.0
+        },
+        {
+          "name": "Monitor",
+          "profit": 80.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT name,profit FROM products ORDER BY profit,id LIMIT 3"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 2261
+    },
+    {
+      "id": "paid-profit-04",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        },
+        {
+          "name": "Keyboard",
+          "profit": 110.0
+        },
+        {
+          "name": "Monitor",
+          "profit": 80.0
+        },
+        {
+          "name": "Cable",
+          "profit": 21.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT p.name,i.quantity,i.unit_price,i.cost,i.quantity*i.unit_price,i.cost,i.id AS profit FROM products p JOIN order_items i ON p.id=i.product_id WHERE i.order_id IN (SELECT id FROM orders WHERE status='paid') GROUP BY p.id ORDER BY profit DESC LIMIT 4"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 3920
+    },
+    {
+      "id": "paid-profit-05",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        },
+        {
+          "name": "Keyboard",
+          "profit": 110.0
+        },
+        {
+          "name": "Monitor",
+          "profit": 80.0
+        },
+        {
+          "name": "Cable",
+          "profit": 21.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT p.name,i.quantity,i.unit_price,i.cost,i.quantity*i.unit_price,i.cost,i.id AS profit FROM products p JOIN order_items i ON p.id=i.product_id WHERE i.order_status='paid' GROUP BY p.id ORDER BY profit DESC LIMIT 5"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 3708
+    },
+    {
+      "id": "paid-profit-06",
+      "success": false,
+      "expected": [
+        {
+          "name": "Mouse",
+          "profit": 150.0
+        },
+        {
+          "name": "Keyboard",
+          "profit": 110.0
+        },
+        {
+          "name": "Monitor",
+          "profit": 80.0
+        },
+        {
+          "name": "Cable",
+          "profit": 21.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "products"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "name",
+              "data_type": "text",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT name,profit FROM products ORDER BY profit,id LIMIT 6"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 2373
+    },
+    {
+      "id": "revenue-by-country-01",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 670.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "orders"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "customer_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "ordered_at",
+              "data_type": "date",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT COALESCE(SUM(oi.quantity*pi.unit_price),0) AS revenue FROM order_items oi JOIN products pi ON pi.id=oi.product_id JOIN orders o ON o.id=oi.order_id WHERE o.status='paid' AND o.customer_id=145 AND o.created_at LIKE '2023%' AND pi.category='KZ' GROUP BY o.id"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 4614
+    },
+    {
+      "id": "revenue-by-country-02",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "order_items"
+          },
+          "output": [
+            {
+              "column_name": "order_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "product_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "quantity",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "unit_price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "unit_cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT COALESCE(SUM(quantity*unit_price),0) AS revenue FROM order_items WHERE status='paid' AND customer_country='RU'"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 3253
+    },
+    {
+      "id": "revenue-by-country-03",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "orders"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "customer_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "ordered_at",
+              "data_type": "date",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT COALESCE(SUM(quantity*unit_price),0) AS revenue FROM order_items WHERE status='paid' AND customer_id=1 AND ordered_at LIKE 'US%'"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 3399
+    },
+    {
+      "id": "revenue-by-country-04",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 200.0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "orders"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "customer_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "ordered_at",
+              "data_type": "date",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT COALESCE(SUM(oi.quantity*pi.unit_price),0) AS revenue FROM order_items oi JOIN products pi ON pi.id=oi.product_id JOIN orders o ON o.id=oi.order_id WHERE o.customer_id=（DE） AND o.status='paid' GROUP BY o.id"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 4552
+    },
+    {
+      "id": "revenue-by-country-05",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 0
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "order_items"
+          },
+          "output": [
+            {
+              "column_name": "order_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "product_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "quantity",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "unit_price",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "unit_cost",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT COALESCE(SUM(quantity*unit_price),0) AS revenue FROM order_items WHERE status='paid' AND customer_id LIKE 'GB%'"
+          },
+          "error_type": "UndefinedColumn"
+        }
+      ],
+      "error_type": "UndefinedColumn",
+      "cause_type": null,
+      "elapsed_ms": 3477
+    },
+    {
+      "id": "revenue-by-country-06",
+      "success": false,
+      "expected": [
+        {
+          "revenue": 0
+        }
+      ],
+      "actual": [
+        {
+          "revenue": 870.0
+        }
+      ],
+      "values_match": false,
+      "columns_match": true,
+      "tool_calls": 3,
+      "response": {
+        "mode": "model_api",
+        "answer": "Результат запроса: []",
+        "result": {
+          "columns": [
+            "revenue"
+          ],
+          "rows": [
+            {
+              "revenue": 870.0
+            }
+          ],
+          "row_count": 1,
+          "truncated": false,
+          "sql": "SELECT COALESCE(SUM(quantity * unit_price), 0) AS revenue FROM order_items WHERE order_id IN (SELECT id FROM orders WHERE status = 'paid' AND customer_id IN (SELECT id FROM customers WHERE id IN (SELECT c.id FROM customers AS c JOIN orders AS o ON c.id = o.customer_id WHERE o.status = 'paid')))"
+        },
+        "trace": [
+          {
+            "name": "list_tables",
+            "arguments": {},
+            "output": [
+              {
+                "table_name": "customers"
+              },
+              {
+                "table_name": "order_items"
+              },
+              {
+                "table_name": "orders"
+              },
+              {
+                "table_name": "payments"
+              },
+              {
+                "table_name": "products"
+              }
+            ]
+          },
+          {
+            "name": "describe_table",
+            "arguments": {
+              "table": "orders"
+            },
+            "output": [
+              {
+                "column_name": "id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "customer_id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "ordered_at",
+                "data_type": "date",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "status",
+                "data_type": "text",
+                "is_nullable": "NO"
+              }
+            ]
+          },
+          {
+            "name": "execute_sql",
+            "arguments": {
+              "sql": "SELECT COALESCE(SUM(quantity*unit_price),0) AS revenue FROM order_items WHERE order_id IN (SELECT id FROM orders WHERE status='paid' AND customer_id IN (SELECT id FROM customers WHERE id IN (SELECT c.id FROM customers c JOIN orders o ON c.id=o.customer_id WHERE o.status='paid')))"
+            },
+            "output": {
+              "columns": [
+                "revenue"
+              ],
+              "rows": [
+                {
+                  "revenue": 870.0
+                }
+              ],
+              "row_count": 1,
+              "truncated": false,
+              "sql": "SELECT COALESCE(SUM(quantity * unit_price), 0) AS revenue FROM order_items WHERE order_id IN (SELECT id FROM orders WHERE status = 'paid' AND customer_id IN (SELECT id FROM customers WHERE id IN (SELECT c.id FROM customers AS c JOIN orders AS o ON c.id = o.customer_id WHERE o.status = 'paid')))"
+            }
+          }
+        ],
+        "elapsed_ms": 6169
+      },
+      "elapsed_ms": 6189
+    },
+    {
+      "id": "payment-status-counts-01",
+      "success": true,
+      "expected": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "actual": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "values_match": true,
+      "columns_match": true,
+      "tool_calls": 3,
+      "response": {
+        "mode": "model_api",
+        "answer": "Результат запроса: []",
+        "result": {
+          "columns": [
+            "status",
+            "payment_count"
+          ],
+          "rows": [
+            {
+              "status": "settled",
+              "payment_count": 1
+            }
+          ],
+          "row_count": 1,
+          "truncated": false,
+          "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id = 1 GROUP BY status ORDER BY status"
+        },
+        "trace": [
+          {
+            "name": "list_tables",
+            "arguments": {},
+            "output": [
+              {
+                "table_name": "customers"
+              },
+              {
+                "table_name": "order_items"
+              },
+              {
+                "table_name": "orders"
+              },
+              {
+                "table_name": "payments"
+              },
+              {
+                "table_name": "products"
+              }
+            ]
+          },
+          {
+            "name": "describe_table",
+            "arguments": {
+              "table": "payments"
+            },
+            "output": [
+              {
+                "column_name": "id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "order_id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "amount",
+                "data_type": "numeric",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "status",
+                "data_type": "text",
+                "is_nullable": "NO"
+              }
+            ]
+          },
+          {
+            "name": "execute_sql",
+            "arguments": {
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id=1 GROUP BY status ORDER BY status"
+            },
+            "output": {
+              "columns": [
+                "status",
+                "payment_count"
+              ],
+              "rows": [
+                {
+                  "status": "settled",
+                  "payment_count": 1
+                }
+              ],
+              "row_count": 1,
+              "truncated": false,
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id = 1 GROUP BY status ORDER BY status"
+            }
+          }
+        ],
+        "elapsed_ms": 4371
+      },
+      "elapsed_ms": 4390
+    },
+    {
+      "id": "payment-status-counts-02",
+      "success": false,
+      "expected": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "actual": [],
+      "values_match": false,
+      "columns_match": true,
+      "tool_calls": 3,
+      "response": {
+        "mode": "model_api",
+        "answer": "Запрос выполнен. PostgreSQL вернул пустой результат.",
+        "result": {
+          "columns": [
+            "status",
+            "payment_count"
+          ],
+          "rows": [],
+          "row_count": 0,
+          "truncated": false,
+          "sql": "SELECT status, COUNT(*) AS payment_count FROM orders WHERE status = 'completed' GROUP BY status ORDER BY status"
+        },
+        "trace": [
+          {
+            "name": "list_tables",
+            "arguments": {},
+            "output": [
+              {
+                "table_name": "customers"
+              },
+              {
+                "table_name": "order_items"
+              },
+              {
+                "table_name": "orders"
+              },
+              {
+                "table_name": "payments"
+              },
+              {
+                "table_name": "products"
+              }
+            ]
+          },
+          {
+            "name": "describe_table",
+            "arguments": {
+              "table": "orders"
+            },
+            "output": [
+              {
+                "column_name": "id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "customer_id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "ordered_at",
+                "data_type": "date",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "status",
+                "data_type": "text",
+                "is_nullable": "NO"
+              }
+            ]
+          },
+          {
+            "name": "execute_sql",
+            "arguments": {
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM orders WHERE status='completed' GROUP BY status ORDER BY status"
+            },
+            "output": {
+              "columns": [
+                "status",
+                "payment_count"
+              ],
+              "rows": [],
+              "row_count": 0,
+              "truncated": false,
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM orders WHERE status = 'completed' GROUP BY status ORDER BY status"
+            }
+          }
+        ],
+        "elapsed_ms": 4423
+      },
+      "elapsed_ms": 4442
+    },
+    {
+      "id": "payment-status-counts-03",
+      "success": true,
+      "expected": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "actual": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "values_match": true,
+      "columns_match": true,
+      "tool_calls": 3,
+      "response": {
+        "mode": "model_api",
+        "answer": "Результат запроса: []",
+        "result": {
+          "columns": [
+            "status",
+            "payment_count"
+          ],
+          "rows": [
+            {
+              "status": "settled",
+              "payment_count": 1
+            }
+          ],
+          "row_count": 1,
+          "truncated": false,
+          "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id = 3 GROUP BY status ORDER BY status"
+        },
+        "trace": [
+          {
+            "name": "list_tables",
+            "arguments": {},
+            "output": [
+              {
+                "table_name": "customers"
+              },
+              {
+                "table_name": "order_items"
+              },
+              {
+                "table_name": "orders"
+              },
+              {
+                "table_name": "payments"
+              },
+              {
+                "table_name": "products"
+              }
+            ]
+          },
+          {
+            "name": "describe_table",
+            "arguments": {
+              "table": "payments"
+            },
+            "output": [
+              {
+                "column_name": "id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "order_id",
+                "data_type": "integer",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "amount",
+                "data_type": "numeric",
+                "is_nullable": "NO"
+              },
+              {
+                "column_name": "status",
+                "data_type": "text",
+                "is_nullable": "NO"
+              }
+            ]
+          },
+          {
+            "name": "execute_sql",
+            "arguments": {
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id=3 GROUP BY status ORDER BY status"
+            },
+            "output": {
+              "columns": [
+                "status",
+                "payment_count"
+              ],
+              "rows": [
+                {
+                  "status": "settled",
+                  "payment_count": 1
+                }
+              ],
+              "row_count": 1,
+              "truncated": false,
+              "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id = 3 GROUP BY status ORDER BY status"
+            }
+          }
+        ],
+        "elapsed_ms": 4495
+      },
+      "elapsed_ms": 4518
+    },
+    {
+      "id": "payment-status-counts-04",
+      "success": false,
+      "expected": [
+        {
+          "status": "settled",
+          "payment_count": 1
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "payments"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "order_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "amount",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id=4 ORDER BY status"
+          },
+          "error_type": "GroupingError"
+        }
+      ],
+      "error_type": "GroupingError",
+      "cause_type": null,
+      "elapsed_ms": 3170
+    },
+    {
+      "id": "payment-status-counts-05",
+      "success": false,
+      "expected": [
+        {
+          "status": "refunded",
+          "payment_count": 1
+        }
+      ],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "payments"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "order_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "amount",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id=5 ORDER BY status"
+          },
+          "error_type": "GroupingError"
+        }
+      ],
+      "error_type": "GroupingError",
+      "cause_type": null,
+      "elapsed_ms": 3089
+    },
+    {
+      "id": "payment-status-counts-06",
+      "success": false,
+      "expected": [],
+      "actual": null,
+      "values_match": false,
+      "columns_match": false,
+      "tool_calls": 3,
+      "trace": [
+        {
+          "name": "list_tables",
+          "arguments": {},
+          "output": [
+            {
+              "table_name": "customers"
+            },
+            {
+              "table_name": "order_items"
+            },
+            {
+              "table_name": "orders"
+            },
+            {
+              "table_name": "payments"
+            },
+            {
+              "table_name": "products"
+            }
+          ]
+        },
+        {
+          "name": "describe_table",
+          "arguments": {
+            "table": "payments"
+          },
+          "output": [
+            {
+              "column_name": "id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "order_id",
+              "data_type": "integer",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "amount",
+              "data_type": "numeric",
+              "is_nullable": "NO"
+            },
+            {
+              "column_name": "status",
+              "data_type": "text",
+              "is_nullable": "NO"
+            }
+          ]
+        },
+        {
+          "name": "execute_sql",
+          "arguments": {
+            "sql": "SELECT status, COUNT(*) AS payment_count FROM payments WHERE order_id=6 ORDER BY status"
+          },
+          "error_type": "GroupingError"
+        }
+      ],
+      "error_type": "GroupingError",
+      "cause_type": null,
+      "elapsed_ms": 2999
+    }
+  ]
+}