1、新增首页合计详情页；

2、新增索引和缓存；

docs/second-cal.md

@@ -63,6 +63,10 @@ GET /api/v1/limit-board/second-cal?tradeStartDate=2026-05-07&tradeEndDate=2026-0
 
 ### 4.2 list[].stocks 明细字段
 
+`list[].stocks` 保留当日全部二板明细。
+
+`list[].total_stocks` 为当日涨停和炸板合并后的明细列表，字段结构与 `stocks` 相同；该列表会剔除 `first_limit_time` 为空的数据，并按 `first_limit_time` 升序排序，时间相同时按 `ts_code` 升序排序。
+
 | 字段 | 类型 | 说明 |
 | --- | --- | --- |
 | `trade_date` | `string` | T 日 |
@@ -121,6 +125,31 @@ GET /api/v1/limit-board/second-cal?tradeStartDate=2026-05-07&tradeEndDate=2026-0
       "break_next_data_count": 3,
       "break_next_profit_count": 3,
       "break_next_profit_rate": 100,
+      "total_stocks": [
+        {
+          "trade_date": "2026-05-07",
+          "previous_trade_date": "2026-05-06",
+          "previous_two_trade_date": "2026-04-30",
+          "next_trade_date": "2026-05-08",
+          "symbol": "000001",
+          "ts_code": "000001.SZ",
+          "name": "示例股份",
+          "market": "主板",
+          "industry": "银行",
+          "previous_close": 10,
+          "limit_price": 11,
+          "t_high": 11,
+          "t_close": 11,
+          "t_pct_chg": 10,
+          "status": "limit",
+          "first_limit_time": "09:35:12",
+          "open_times": 0,
+          "next_high": 11.2,
+          "next_close": 11.1,
+          "next_intraday_profitable": true,
+          "next_high_profit_pct": 1.82
+        }
+      ],
       "stocks": [
         {
           "trade_date": "2026-05-07",