HK股数据清洗：成本/价格双币种标记

portfolio.json: 港股cost_currency=HKD, cost_cny, price_hkd字段
decisions.json: 港股currency=HKD, 所有价格字段分存_hkd/_cny
修复建滔积层板浮亏-24%→-12.8%问题
根因：cost=88.22HKD被标成CNY，脚本转换价后错算浮亏

data/price_history.json

@@ -20,7 +20,13 @@
       "date": "2026-07-02",
       "high": 1215.52,
       "low": 1190.51,
-      "close": 1205.83
+      "close": 1203.0
+    },
+    {
+      "date": "2026-07-03",
+      "high": 1215.52,
+      "low": 1190.51,
+      "close": 1205.24
     }
   ],
   "02202": [
@@ -36,15 +42,27 @@
       "date": "2026-07-02",
       "high": 53.0,
       "low": 51.7,
-      "close": 52.15
+      "close": 52.3
+    },
+    {
+      "date": "2026-07-03",
+      "high": 53.0,
+      "low": 51.7,
+      "close": 52.3
     }
   ],
   "601318": [
     {
       "date": "2026-07-02",
       "high": 50.2,
-      "low": 48.82,
-      "close": 48.96
+      "low": 48.8,
+      "close": 48.92
+    },
+    {
+      "date": "2026-07-03",
+      "high": 50.2,
+      "low": 48.8,
+      "close": 49.5
     }
   ],
   "02359": [
@@ -52,7 +70,13 @@
       "date": "2026-07-02",
       "high": 158.7,
       "low": 151.1,
-      "close": 152.6
+      "close": 152.8
+    },
+    {
+      "date": "2026-07-03",
+      "high": 158.7,
+      "low": 151.1,
+      "close": 152.8
     }
   ],
   "02388": [
@@ -60,7 +84,13 @@
       "date": "2026-07-02",
       "high": 42.98,
       "low": 41.94,
-      "close": 42.36
+      "close": 42.3
+    },
+    {
+      "date": "2026-07-03",
+      "high": 42.98,
+      "low": 41.94,
+      "close": 42.3
     }
   ],
   "02628": [
@@ -68,15 +98,27 @@
       "date": "2026-07-02",
       "high": 28.74,
       "low": 27.5,
-      "close": 28.02
+      "close": 28.08
+    },
+    {
+      "date": "2026-07-03",
+      "high": 28.74,
+      "low": 27.5,
+      "close": 28.08
     }
   ],
   "688630": [
     {
       "date": "2026-07-02",
       "high": 499.95,
-      "low": 465.53,
-      "close": 475.68
+      "low": 464.8,
+      "close": 468.0
+    },
+    {
+      "date": "2026-07-03",
+      "high": 499.95,
+      "low": 464.8,
+      "close": 467.98
     }
   ],
   "06160": [
@@ -84,7 +126,13 @@
       "date": "2026-07-02",
       "high": 176.8,
       "low": 171.9,
-      "close": 173.5
+      "close": 174.7
+    },
+    {
+      "date": "2026-07-03",
+      "high": 176.8,
+      "low": 171.9,
+      "close": 174.7
     }
   ],
   "06869": [
@@ -99,32 +147,56 @@
     {
       "date": "2026-07-02",
       "high": 687.04,
-      "low": 644.7,
-      "close": 651.06
+      "low": 639.4,
+      "close": 641.59
+    },
+    {
+      "date": "2026-07-03",
+      "high": 687.04,
+      "low": 639.4,
+      "close": 643.88
     }
   ],
   "09868": [
     {
       "date": "2026-07-02",
       "high": 53.7,
-      "low": 51.4,
-      "close": 51.75
+      "low": 50.95,
+      "close": 51.8
+    },
+    {
+      "date": "2026-07-03",
+      "high": 53.7,
+      "low": 50.95,
+      "close": 51.8
     }
   ],
   "09988": [
     {
       "date": "2026-07-02",
       "high": 97.4,
-      "low": 94.4,
-      "close": 94.75
+      "low": 93.55,
+      "close": 94.5
+    },
+    {
+      "date": "2026-07-03",
+      "high": 97.4,
+      "low": 93.55,
+      "close": 94.5
     }
   ],
   "688802": [
     {
       "date": "2026-07-02",
       "high": 784.0,
-      "low": 735.0,
-      "close": 735.76
+      "low": 721.0,
+      "close": 724.13
+    },
+    {
+      "date": "2026-07-03",
+      "high": 731.34,
+      "low": 731.34,
+      "close": 731.34
     }
   ],
   "300124": [
@@ -132,7 +204,13 @@
       "date": "2026-07-02",
       "high": 71.79,
       "low": 67.31,
-      "close": 69.15
+      "close": 68.4
+    },
+    {
+      "date": "2026-07-03",
+      "high": 71.79,
+      "low": 67.31,
+      "close": 67.5
     }
   ],
   "000657": [
@@ -140,7 +218,13 @@
       "date": "2026-07-02",
       "high": 101.5,
       "low": 90.68,
-      "close": 97.91
+      "close": 97.03
+    },
+    {
+      "date": "2026-07-03",
+      "high": 101.5,
+      "low": 90.68,
+      "close": 92.13
     }
   ],
   "000711": [
@@ -149,14 +233,26 @@
       "high": 5.01,
       "low": 4.87,
       "close": 5.01
+    },
+    {
+      "date": "2026-07-03",
+      "high": 5.26,
+      "low": 4.87,
+      "close": 5.26
     }
   ],
   "001309": [
     {
       "date": "2026-07-02",
       "high": 872.83,
-      "low": 817.88,
-      "close": 822.04
+      "low": 806.0,
+      "close": 811.0
+    },
+    {
+      "date": "2026-07-03",
+      "high": 872.83,
+      "low": 804.74,
+      "close": 804.75
     }
   ],
   "002594": [
@@ -164,7 +260,13 @@
       "date": "2026-07-02",
       "high": 85.67,
       "low": 81.9,
-      "close": 83.89
+      "close": 83.57
+    },
+    {
+      "date": "2026-07-03",
+      "high": 85.67,
+      "low": 81.9,
+      "close": 83.73
     }
   ],
   "00700": [
@@ -180,7 +282,13 @@
       "date": "2026-07-02",
       "high": 2.15,
       "low": 2.03,
-      "close": 2.1
+      "close": 2.07
+    },
+    {
+      "date": "2026-07-03",
+      "high": 2.15,
+      "low": 2.03,
+      "close": 2.07
     }
   ],
   "00981": [
@@ -196,7 +304,13 @@
       "date": "2026-07-02",
       "high": 13.19,
       "low": 12.63,
-      "close": 12.9
+      "close": 12.83
+    },
+    {
+      "date": "2026-07-03",
+      "high": 13.19,
+      "low": 12.63,
+      "close": 12.83
     }
   ],
   "01088": [