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/clean_watchlist.py

@@ -10,7 +10,8 @@ from mo_data import read_portfolio, read_decisions, read_watchlist
 from mofin_db import get_conn, write_watchlist_stock, write_holding_strategy
 
 WL = "/home/hmo/web-dashboard/data/watchlist.json"  # 路径保留用于历史备份兼容，数据实际走DB
-DEC = "/home/hmo/web-dashboard/data/decisions.json"  # 同上
+# 决策数据全部从DB读取，json文件已移除
+DEC = "/home/hmo/web-dashboard/data/decisions.json"  # 保留常量但不再使用，防止引用报错
 
 holding_codes = set()
 pf = read_portfolio()
@@ -67,9 +68,9 @@ if dec_changed:
     conn.close()
     # [migrated to DB] — cold backup removed
     # json.dump(dec, open(DEC, "w"), indent=2, ensure_ascii=False)
-    print(f"\ndecisions.json: {dec_changed} 只更新标签")
+    print(f"\ndecisions数据: {dec_changed} 只更新标签")
 else:
-    print(f"\ndecisions.json: 无需更新")
+    print(f"\ndecisions数据: 无需更新")
 
 # ── 反过程：清仓股自动加回自选 ──
 # 找出曾持仓但现已不在 portfolio 的股票