fix: 全线港股前缀修复 + 币种统一

per_stock_reassess.py:
  - 港股5位代码前缀优先（0开头不匹配sz）
  - 删除CNY转换，存Tencent原始HKD值
stale_push_wlin.py fetch_trend_data:
  - 港股5位代码前缀优先
strategy_review.py (x2):
  - 港股5位代码前缀优先
验证：
  建滔 price=97.2 HKD SL=94.62 HKD ✓
  腾讯 price=421.2 HKD SL=409.73 HKD ✓
  中芯H price=88.8 HKD SL=84.8 HKD ✓
  A股不受影响 ✓

data/stocks/00700.json

@@ -121,6 +121,11 @@
       "content": "- **腾讯控股(00700)** 现价411.8低于买入区435~441，止损387.49距离~6%",
       "report_id": "cron_99c06255590a_2026-06-29_08-37-43"
     },
+    {
+      "time": "2026-06-30T08:55:46.632204",
+      "content": "• 模塑科技(000700) 13.86(-2.3%) 止损14.54已破",
+      "report_id": "cron_99c06255590a_2026-06-30_08-40-17"
+    },
     {
       "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。",
@@ -971,6 +976,21 @@
       "content": "**自选（距买入区±3%）：** 腾讯(00700) 440.20HKD，前买入区444-450，距下限约-0.9%恰在边缘，可观察不操作；宁德时代(300750) 391.55，前买入区400-41",
       "report_id": "cron_d42f2ce3b479_2026-06-18_20-14-45"
     },
+    {
+      "time": "2026-06-30T08:55:46.708460",
+      "content": "**港股概览：** 恒指+1.8%反弹，持仓分化。腾讯(00700)浮亏-4.6%目标已超但盈亏比偏低；丘钛(01478)深套-49.7%及万科(02202)深套-52.4%均暂远离止损(距12-22",
+      "report_id": "cron_d42f2ce3b479_2026-06-29_20-08-09"
+    },
+    {
+      "time": "2026-06-30T08:55:46.708460",
+      "content": "- 腾讯00700 422.2 | 买入区411.8~423.07 **(现价在区上沿)**",
+      "report_id": "cron_d42f2ce3b479_2026-06-29_20-08-09"
+    },
+    {
+      "time": "2026-06-30T08:55:46.708460",
+      "content": "- 模塑科技000700 13.86 | 买入区13.33~14.09 **(仍在区内，但已破止损)**",
+      "report_id": "cron_d42f2ce3b479_2026-06-29_20-08-09"
+    },
     {
       "time": "2026-06-08T08:55:37.165829",
       "content": "| **腾讯控股(00700)** | 453.20 | 追踪止盈459.8已触发 | 关注445支撑，跌破450可接回 |",