feat: mo_data.py unified read layer (DB-first, JSON fallback) + cash_log table + batch JSON→DB migration (16 files)

data/stocks/300750.json

@@ -56,6 +56,11 @@
       "content": "- **宁德时代(300750)** 现价381低于买入区384~397，可等回踩买入区下沿384",
       "report_id": "cron_99c06255590a_2026-06-29_08-37-43"
     },
+    {
+      "time": "2026-07-01T08:55:24.051390",
+      "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": "2026-06-02T12:55:54.834592",
       "content": "| 宁德时代(300750) | 427.84 | +1.84% | 4.04% | 持有，止损400止盈460 |",
@@ -531,6 +536,11 @@
       "content": "**A股概览：** 上周五系统大跌(-2.26%/-3.44%)后弱反弹，科创50领涨+4.61%带动半导体板块。中芯国际A(688981) +19.8%浮盈距目标+4.1%、中芯H(00981) +",
       "report_id": "cron_d42f2ce3b479_2026-06-29_20-08-09"
     },
+    {
+      "time": "2026-07-01T08:55:24.130605",
+      "content": "**A股（上证+0.50%）：** 海博思创(688411) 291.20+1.82%浮盈+9%RR3.92持有 | 宁德时代(300750) 393.01+0.17%弱势持有距止损3% | 法拉电子",
+      "report_id": "cron_d42f2ce3b479_2026-06-30_20-25-27"
+    },
     {
       "time": "2026-06-29T08:55:56.391301",
       "content": "- **宁德时代(300750)** — 现价381.00，止损345.04（距9%）。电池板块下周压力可能持续。",