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/stocks/00700.json

@@ -141,6 +141,11 @@
       "content": "- **模塑科技(000700)** 15.54 / 止损13.91 — 昨日+5.28%强势，守住15持有",
       "report_id": "cron_99c06255590a_2026-07-02_08-32-48"
     },
+    {
+      "time": "2026-07-03T08:55:07.244816",
+      "content": "② **腾讯(00700)** 现价430.2 | 仓位待确认 | 买入区421-430上沿",
+      "report_id": "cron_99c06255590a_2026-07-03_08-33-17"
+    },
     {
       "time": "2026-06-02T11:55:44.093905",
       "content": "❌ 反例：腾讯00700，底仓100股(3.59%)，浮盈+4.79%。看到\"距止盈470仅0.77%\"就建议触及减仓清仓 —— 机械执行，未考虑底仓属性+浮盈幅度。",

data/stocks/00981.json

@@ -66,6 +66,11 @@
       "content": "长飞光纤光缆(06869) 255.40+6.68%放量大涨，持有等站上成本263.72；腾讯(00700) 429.80+2.28%，买入区435-440依然可加；中芯H(00981) 89.40+",
       "report_id": "cron_99c06255590a_2026-07-01_08-39-42"
     },
+    {
+      "time": "2026-07-03T08:55:07.244816",
+      "content": "③ **中芯国际(688981/00981)** 现价144.1/80.4 | 仓位合计9.64% | 双市场止损均破",
+      "report_id": "cron_99c06255590a_2026-07-03_08-33-17"
+    },
     {
       "time": "2026-06-02T12:55:54.836964",
       "content": "• 中芯国际H(00981) ¥82.20 +3.46% — 高于买入区72-75",

data/stocks/06869.json

@@ -26,6 +26,11 @@
       "content": "- **长飞光纤(06869)** 255.4 / 止损205.71 — 浮亏-3%，光通信受半导拖累，250不破则持",
       "report_id": "cron_99c06255590a_2026-07-02_08-32-48"
     },
+    {
+      "time": "2026-07-03T08:55:07.244816",
+      "content": "② **长飞光纤(06869)** 现价198.3 | 仓位13.47% | 止损205.71已破",
+      "report_id": "cron_99c06255590a_2026-07-03_08-33-17"
+    },
     {
       "time": "2026-06-02T13:56:05.495125",
       "content": "🔺**长飞光纤(06869)** | 231.00 +9.90% | 买入区210~220已超出，等回调再入3%",

data/stocks/688981.json

@@ -46,6 +46,11 @@
       "content": "- **中芯国际A(688981)** 156.31 / 止损149.85 — 浮盈+24%，费城半导-6%或拖累今日回调，守住153持有",
       "report_id": "cron_99c06255590a_2026-07-02_08-32-48"
     },
+    {
+      "time": "2026-07-03T08:55:07.244816",
+      "content": "③ **中芯国际(688981/00981)** 现价144.1/80.4 | 仓位合计9.64% | 双市场止损均破",
+      "report_id": "cron_99c06255590a_2026-07-03_08-33-17"
+    },
     {
       "time": "2026-06-01T11:55:35.956320",
       "content": "• **688981|中芯国际|134.87|-3.60%|建议观望等企稳【短线】|前几日大涨后获利回吐，关注134支撑**",