数据新鲜度铁律+违规记录

1. analyst-knowledge-log 追加6/29数据新鲜度违规记录与修复规则
2. 第一行代码铁律：任何分析必须先拉腾讯实时报价
3. 禁止从缓存文件读价格来推操作建议
4. 建滔积层板止损建议是错误的（盈利股不说止损）
5. SOUL未改动（之前说写入SOUL是口头错误）

data/portfolio.json

@@ -67,8 +67,8 @@
         "entry_zone": "226.73~241.67",
         "take_profit_zone": "0~260.3"
       },
-      "price": 208.32,
-      "change_pct": -4.23
+      "price": 208.67,
+      "change_pct": -4.07
     },
     {
       "code": "01478",
@@ -102,8 +102,8 @@
         "entry_zone": "6.23~7.27",
         "take_profit_zone": "0~7.14"
       },
-      "price": 6.01,
-      "change_pct": 0.87
+      "price": 5.97,
+      "change_pct": 0.29
     },
     {
       "code": "601899",
@@ -242,8 +242,8 @@
         "entry_zone": "89.6~94.08",
         "take_profit_zone": "0~95.43"
       },
-      "price": 83.2,
-      "change_pct": -2.74
+      "price": 83.98,
+      "change_pct": -1.83
     },
     {
       "code": "688639",
@@ -347,8 +347,8 @@
         "entry_zone": "66.06~77.07",
         "take_profit_zone": "0~76.78"
       },
-      "price": 63.71,
-      "change_pct": 1.03
+      "price": 63.45,
+      "change_pct": 0.62
     },
     {
       "code": "02202",
@@ -382,8 +382,8 @@
         "entry_zone": "2.0~2.33",
         "take_profit_zone": "0~2.09"
       },
-      "price": 1.93,
-      "change_pct": 0.91
+      "price": 1.92,
+      "change_pct": 0.45
     },
     {
       "code": "00700",
@@ -417,8 +417,8 @@
         "entry_zone": "411.8~423.07",
         "take_profit_zone": "0~383.77"
       },
-      "price": 366.82,
-      "change_pct": 2.62
+      "price": 366.12,
+      "change_pct": 2.43
     },
     {
       "code": "00981",
@@ -452,8 +452,8 @@
         "entry_zone": "80.0~84.0",
         "take_profit_zone": "0~85.82"
       },
-      "price": 73.26,
-      "change_pct": 5.5
+      "price": 73.78,
+      "change_pct": 6.25
     },
     {
       "code": "300548",
@@ -662,8 +662,8 @@
         "entry_zone": "40.49~40.98",
         "take_profit_zone": "0~43.8"
       },
-      "price": 35.78,
-      "change_pct": 1.48
+      "price": 35.83,
+      "change_pct": 1.62
     }
   ],
   "cash": 92664.2,
@@ -671,7 +671,7 @@
   "total_assets": 1239815.6,
   "total_pl": 0,
   "position_pct": 88.25,
-  "updated_at": "2026-06-29 15:23",
+  "updated_at": "2026-06-29 15:52",
   "source": "/home/hmo/stocks/holding.xls",
   "frozen_cash": 39481.4,
   "available_cash": 73758.85,