diff --git a/liquid_clustering_analysis_20250814_102217.json b/liquid_clustering_analysis_20250814_102217.json
deleted file mode 100644
index 3bd173b..0000000
--- a/liquid_clustering_analysis_20250814_102217.json
+++ /dev/null
@@ -1,207 +0,0 @@
-{
-  "llm_analysis": "❌ Failed to obtain Databricks token. Please set the environment variable DATABRICKS_TOKEN.",
-  "extracted_data": {
-    "filter_columns": [
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date >= DATE '1990-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date <= DATE '2020-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      }
-    ],
-    "join_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk",
-        "key_type": "LEFT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "key_type": "RIGHT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      }
-    ],
-    "groupby_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "aggregate_columns": [
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "table_info": {
-      "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13624",
-        "current_clustering_keys": [
-          "cs_sold_date_sk"
-        ],
-        "table_size_gb": 1273.6760133057833,
-        "files_read_bytes": 1367599205712,
-        "files_pruned_bytes": 4689827890,
-        "io_read_bytes": 2858822237,
-        "total_scan_gb": 1278.0437558908015,
-        "size_classification": "large"
-      },
-      "tpcds.tpcds_sf10000_delta_lc.date_dim": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13416",
-        "current_clustering_keys": [
-          "d_date_sk"
-        ],
-        "table_size_gb": 0.0017275810241699219,
-        "files_read_bytes": 1854976,
-        "files_pruned_bytes": 0,
-        "io_read_bytes": 0,
-        "total_scan_gb": 0.0017275810241699219,
-        "size_classification": "small"
-      }
-    },
-    "scan_nodes": [],
-    "join_nodes": [],
-    "filter_nodes": [],
-    "metadata_summary": {
-      "total_nodes": 30,
-      "total_graphs": 1,
-      "filter_expressions_count": 5,
-      "join_expressions_count": 2,
-      "groupby_expressions_count": 3,
-      "aggregate_expressions_count": 16,
-      "tables_identified": 2,
-      "scan_nodes_count": 0,
-      "join_nodes_count": 0,
-      "filter_nodes_count": 0
-    }
-  },
-  "performance_context": {
-    "total_time_sec": 19.261,
-    "read_gb": 0,
-    "rows_produced": 10000,
-    "rows_read": 14327929995,
-    "data_selectivity": 0.05197870591171949
-  },
-  "summary": {
-    "analysis_method": "LLM-based",
-    "tables_identified": 2,
-    "total_filter_columns": 5,
-    "total_join_columns": 2,
-    "total_groupby_columns": 3,
-    "total_aggregate_columns": 16,
-    "scan_nodes_count": 0,
-    "llm_provider": "databricks"
-  }
-}
\ No newline at end of file
diff --git a/liquid_clustering_analysis_20250814_114548.json b/liquid_clustering_analysis_20250814_114548.json
deleted file mode 100644
index 3bd173b..0000000
--- a/liquid_clustering_analysis_20250814_114548.json
+++ /dev/null
@@ -1,207 +0,0 @@
-{
-  "llm_analysis": "❌ Failed to obtain Databricks token. Please set the environment variable DATABRICKS_TOKEN.",
-  "extracted_data": {
-    "filter_columns": [
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date >= DATE '1990-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date <= DATE '2020-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      }
-    ],
-    "join_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk",
-        "key_type": "LEFT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "key_type": "RIGHT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      }
-    ],
-    "groupby_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "aggregate_columns": [
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "table_info": {
-      "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13624",
-        "current_clustering_keys": [
-          "cs_sold_date_sk"
-        ],
-        "table_size_gb": 1273.6760133057833,
-        "files_read_bytes": 1367599205712,
-        "files_pruned_bytes": 4689827890,
-        "io_read_bytes": 2858822237,
-        "total_scan_gb": 1278.0437558908015,
-        "size_classification": "large"
-      },
-      "tpcds.tpcds_sf10000_delta_lc.date_dim": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13416",
-        "current_clustering_keys": [
-          "d_date_sk"
-        ],
-        "table_size_gb": 0.0017275810241699219,
-        "files_read_bytes": 1854976,
-        "files_pruned_bytes": 0,
-        "io_read_bytes": 0,
-        "total_scan_gb": 0.0017275810241699219,
-        "size_classification": "small"
-      }
-    },
-    "scan_nodes": [],
-    "join_nodes": [],
-    "filter_nodes": [],
-    "metadata_summary": {
-      "total_nodes": 30,
-      "total_graphs": 1,
-      "filter_expressions_count": 5,
-      "join_expressions_count": 2,
-      "groupby_expressions_count": 3,
-      "aggregate_expressions_count": 16,
-      "tables_identified": 2,
-      "scan_nodes_count": 0,
-      "join_nodes_count": 0,
-      "filter_nodes_count": 0
-    }
-  },
-  "performance_context": {
-    "total_time_sec": 19.261,
-    "read_gb": 0,
-    "rows_produced": 10000,
-    "rows_read": 14327929995,
-    "data_selectivity": 0.05197870591171949
-  },
-  "summary": {
-    "analysis_method": "LLM-based",
-    "tables_identified": 2,
-    "total_filter_columns": 5,
-    "total_join_columns": 2,
-    "total_groupby_columns": 3,
-    "total_aggregate_columns": 16,
-    "scan_nodes_count": 0,
-    "llm_provider": "databricks"
-  }
-}
\ No newline at end of file
diff --git a/liquid_clustering_analysis_20250814_120316.json b/liquid_clustering_analysis_20250814_120316.json
deleted file mode 100644
index 3bd173b..0000000
--- a/liquid_clustering_analysis_20250814_120316.json
+++ /dev/null
@@ -1,207 +0,0 @@
-{
-  "llm_analysis": "❌ Failed to obtain Databricks token. Please set the environment variable DATABRICKS_TOKEN.",
-  "extracted_data": {
-    "filter_columns": [
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date >= DATE '1990-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date <= DATE '2020-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      }
-    ],
-    "join_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk",
-        "key_type": "LEFT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "key_type": "RIGHT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      }
-    ],
-    "groupby_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "aggregate_columns": [
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "table_info": {
-      "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13624",
-        "current_clustering_keys": [
-          "cs_sold_date_sk"
-        ],
-        "table_size_gb": 1273.6760133057833,
-        "files_read_bytes": 1367599205712,
-        "files_pruned_bytes": 4689827890,
-        "io_read_bytes": 2858822237,
-        "total_scan_gb": 1278.0437558908015,
-        "size_classification": "large"
-      },
-      "tpcds.tpcds_sf10000_delta_lc.date_dim": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13416",
-        "current_clustering_keys": [
-          "d_date_sk"
-        ],
-        "table_size_gb": 0.0017275810241699219,
-        "files_read_bytes": 1854976,
-        "files_pruned_bytes": 0,
-        "io_read_bytes": 0,
-        "total_scan_gb": 0.0017275810241699219,
-        "size_classification": "small"
-      }
-    },
-    "scan_nodes": [],
-    "join_nodes": [],
-    "filter_nodes": [],
-    "metadata_summary": {
-      "total_nodes": 30,
-      "total_graphs": 1,
-      "filter_expressions_count": 5,
-      "join_expressions_count": 2,
-      "groupby_expressions_count": 3,
-      "aggregate_expressions_count": 16,
-      "tables_identified": 2,
-      "scan_nodes_count": 0,
-      "join_nodes_count": 0,
-      "filter_nodes_count": 0
-    }
-  },
-  "performance_context": {
-    "total_time_sec": 19.261,
-    "read_gb": 0,
-    "rows_produced": 10000,
-    "rows_read": 14327929995,
-    "data_selectivity": 0.05197870591171949
-  },
-  "summary": {
-    "analysis_method": "LLM-based",
-    "tables_identified": 2,
-    "total_filter_columns": 5,
-    "total_join_columns": 2,
-    "total_groupby_columns": 3,
-    "total_aggregate_columns": 16,
-    "scan_nodes_count": 0,
-    "llm_provider": "databricks"
-  }
-}
\ No newline at end of file
diff --git a/liquid_clustering_analysis_20250814_121052.json b/liquid_clustering_analysis_20250814_121052.json
deleted file mode 100644
index 3bd173b..0000000
--- a/liquid_clustering_analysis_20250814_121052.json
+++ /dev/null
@@ -1,207 +0,0 @@
-{
-  "llm_analysis": "❌ Failed to obtain Databricks token. Please set the environment variable DATABRICKS_TOKEN.",
-  "extracted_data": {
-    "filter_columns": [
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date >= DATE '1990-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date <= DATE '2020-01-02')",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      },
-      {
-        "expression": "(tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk IS NOT NULL)",
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC"
-      }
-    ],
-    "join_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_sold_date_sk",
-        "key_type": "LEFT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "key_type": "RIGHT_KEYS",
-        "node_name": "Left Semi Join",
-        "node_tag": "PHOTON_BROADCAST_HASH_JOIN_EXEC"
-      }
-    ],
-    "groupby_columns": [
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_bill_customer_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "tpcds.tpcds_sf10000_delta_lc.date_dim.d_date_sk",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "aggregate_columns": [
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_ext_sales_price)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "avg(unscaledvalue(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit))",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "min(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "max(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      },
-      {
-        "expression": "count(tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo.cs_net_profit)",
-        "node_name": "Grouping Aggregate",
-        "node_tag": "PHOTON_GROUPING_AGG_EXEC"
-      }
-    ],
-    "table_info": {
-      "tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.catalog_sales_demo",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13624",
-        "current_clustering_keys": [
-          "cs_sold_date_sk"
-        ],
-        "table_size_gb": 1273.6760133057833,
-        "files_read_bytes": 1367599205712,
-        "files_pruned_bytes": 4689827890,
-        "io_read_bytes": 2858822237,
-        "total_scan_gb": 1278.0437558908015,
-        "size_classification": "large"
-      },
-      "tpcds.tpcds_sf10000_delta_lc.date_dim": {
-        "node_name": "Scan tpcds.tpcds_sf10000_delta_lc.date_dim",
-        "node_tag": "UNKNOWN_DATA_SOURCE_SCAN_EXEC",
-        "node_id": "13416",
-        "current_clustering_keys": [
-          "d_date_sk"
-        ],
-        "table_size_gb": 0.0017275810241699219,
-        "files_read_bytes": 1854976,
-        "files_pruned_bytes": 0,
-        "io_read_bytes": 0,
-        "total_scan_gb": 0.0017275810241699219,
-        "size_classification": "small"
-      }
-    },
-    "scan_nodes": [],
-    "join_nodes": [],
-    "filter_nodes": [],
-    "metadata_summary": {
-      "total_nodes": 30,
-      "total_graphs": 1,
-      "filter_expressions_count": 5,
-      "join_expressions_count": 2,
-      "groupby_expressions_count": 3,
-      "aggregate_expressions_count": 16,
-      "tables_identified": 2,
-      "scan_nodes_count": 0,
-      "join_nodes_count": 0,
-      "filter_nodes_count": 0
-    }
-  },
-  "performance_context": {
-    "total_time_sec": 19.261,
-    "read_gb": 0,
-    "rows_produced": 10000,
-    "rows_read": 14327929995,
-    "data_selectivity": 0.05197870591171949
-  },
-  "summary": {
-    "analysis_method": "LLM-based",
-    "tables_identified": 2,
-    "total_filter_columns": 5,
-    "total_join_columns": 2,
-    "total_groupby_columns": 3,
-    "total_aggregate_columns": 16,
-    "scan_nodes_count": 0,
-    "llm_provider": "databricks"
-  }
-}
\ No newline at end of file