{
    "experiment_id":  "EXP-WUJI-BREADTH-4000-2023-2026",
    "run_id":  "RUN-EXP-WUJI-BREADTH-4000-20260607-001",
    "created_at":  "2026-06-07T16:25:36+08:00",
    "role_instance_id":  "experiment.experimenter",
    "design_audit_id":  "AUDIT-EXP-WUJI-BREADTH-4000-20260607-DESIGN-001",
    "data_source":  "MYSQL_TIANXIA_LOCAL.tianxia.ts_market_breadth_daily_cache",
    "scope_type":  "ALL_A_SHARE",
    "scope_value":  "ALL",
    "requested_date_range":  {
                                 "start":  "2023-01-01",
                                 "end":  "2026-12-31"
                             },
    "actual_date_range":  {
                              "start":  "2023-01-04",
                              "end":  "2026-04-24"
                          },
    "total_trading_days":  799,
    "category_counts":  {
                            "up_4000_days":  116,
                            "down_4000_days":  137,
                            "other_days":  546,
                            "both_4000_days":  0
                        },
    "threshold_counts":  {
                             "raw_up_count_ge_4000_days":  116,
                             "raw_down_count_ge_4000_days":  137
                         },
    "source_tables":  [
                          "a_share_daily_price"
                      ],
    "breadth_cache_run_ids":  [
                                  "ts_market_breadth_cache_20260529"
                              ],
    "max_up_count_day":  {
                             "trade_date":  "2025-01-14",
                             "up_count":  5306,
                             "down_count":  32,
                             "class_label":  "UP_4000"
                         },
    "max_down_count_day":  {
                               "trade_date":  "2025-04-07",
                               "up_count":  106,
                               "down_count":  5259,
                               "class_label":  "DOWN_4000"
                           },
    "self_check":  {
                       "class_count_sum_matches_total":  true,
                       "raw_up_threshold_equals_up_plus_both":  true,
                       "raw_down_threshold_equals_down_plus_both":  true,
                       "conflict_free_three_class":  true,
                       "stock_count_components_match":  true,
                       "duplicate_trade_date_count":  0,
                       "result_row_count":  799
                   },
    "conclusion_boundary":  "Retrospective descriptive count only; not a strategy, prediction, return, realtime selection, intraday peak, industry split, or reason attribution conclusion."
}