refactor: remove duplicate scripts + JSON constants + update docs

scripts/branch_evaluator.py

@@ -19,10 +19,6 @@ from datetime import datetime, date
 from mo_data import read_portfolio, read_decisions
 from mofin_db import get_conn, write_holding_strategy
 
-# 路径
-DECISIONS_PATH = "/home/hmo/web-dashboard/data/decisions.json"
-PORTFOLIO_PATH = "/home/hmo/web-dashboard/data/portfolio.json"
-
 # 引入 strategy_tree 模块
 sys.path.insert(0, "/home/hmo/MoFin")
 try:
@@ -132,10 +128,6 @@ def evaluate_all():
         conn.close()
     except Exception:
         pass
-    # [migrated to DB] — cold backup removed
-    # with open(DECISIONS_PATH, "w") as f:
-    #     json.dump(data, f, indent=2, ensure_ascii=False)
-
     # 输出摘要（空 = 静默）
     lines = []
     init_note = f" | 自动初始化{auto_init_count}只" if auto_init_count else ""