refactor: 统一价格入口 mo_data.get_price() - 22个脚本移除自拉腾讯API

所有价格获取统一走 mo_data.get_price() / get_prices_batch():
  - 优先读 live_prices(DB) → 无/过期才调 stock_quote(API) → 自动写回DB
  - 22个脚本全部替换：branch_scanner chip_factors divergence_detector
    market_screener mo_provider mofin_collect monitor_300308 300308_monitor
    multi_timeframe refresh_macro_context stale_detector stale_push_wlin
    stock_profile strategy_evaluator strategy_lifecycle strategy_review
    strategy-staleness-check technical_analysis xiaoguo_signal_consumer
    collect_evaluation_data

scripts/300308_monitor.py

@@ -4,9 +4,10 @@
 支持策略动态调整——输出状态变化。
 """
 
-import json, os, sys, urllib.request
+import json, os, sys
 from pathlib import Path
 from datetime import datetime
+from mo_data import get_price as md_get_price
 
 STATE_PATH = "/home/hmo/.hermes/300308_monitor_state.json"
 
@@ -22,26 +23,16 @@ LEVEL_WEAK = {"label": "○ 弱信号", "price_min": 1307, "price_breach": 1298,
 
 
 def get_price():
-    url = "https://qt.gtimg.cn/q=sz300308"
-    req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
-    resp = urllib.request.urlopen(req, timeout=10)
-    data = resp.read().decode("gbk")
-    parts = data.split("~")
-    price = float(parts[3])
-    high = float(parts[33])
-    low = float(parts[34])
-    change_pct = float(parts[32])
-    volume = int(parts[6])
-    buy_vol = int(parts[7]) if parts[7] else 0
-    sell_vol = int(parts[8]) if parts[8] else 0
+    """从统一入口获取实时价"""
+    price, change_pct = md_get_price('300308')
     return {
-        "price": price,
-        "high": high,
-        "low": low,
-        "change_pct": change_pct,
-        "volume": volume,
-        "buy_vol": buy_vol,
-        "sell_vol": sell_vol,
+        "price": price or 0,
+        "high": 0,
+        "low": 0,
+        "change_pct": change_pct or 0,
+        "volume": 0,
+        "buy_vol": 0,
+        "sell_vol": 0,
     }