refactor: remove duplicate scripts + JSON constants + update docs

scripts/strategy-staleness-check.py

@@ -15,12 +15,7 @@ from datetime import datetime
 from mo_data import read_decisions, read_portfolio
 from mo_data import read_decisions, read_portfolio
 
-DECISIONS_PATH = "/home/hmo/web-dashboard/data/decisions.json"
 OUTPUT_PATH = "/home/hmo/web-dashboard/data/strategy_staleness_report.json"
-PORTFOLIO_PATH = "/home/hmo/web-dashboard/data/portfolio.json"
-
-# Fallback: if new path not found, use old path
-FALLBACK_PATH = "/home/hmo/data/decisions.json"
 
 WARN_DAYS = 14         # 超过14天未更新→警告
 CRITICAL_DAYS = 21     # 超过21天→严重警告
@@ -57,10 +52,6 @@ def parse_buy_zone(current):
     return None, None
 
 def main():
-    # Try new path first, fall back to old format
-    path = DECISIONS_PATH if os.path.exists(DECISIONS_PATH) else FALLBACK_PATH
-    is_new_format = (path == DECISIONS_PATH)
-    
     data = read_decisions()
 
     # Filter: exclude closed strategies