add daily tool scripts: hardcode_scanner, branch_scanner, prune_branches

scripts/prune_branches.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""
+prune_branches.py — 每周六凌晨6点执行
+
+低效分支剪枝：
+- 触发≥5次且成功率<30% → 剪枝归档
+- 输出报告（stdout → cron delivery）
+"""
+import sys, json
+sys.path.insert(0, '/home/hmo/MoFin')
+from strategy_tree import prune_low_performance_branches
+
+result = prune_low_performance_branches(min_triggers=5, min_success_rate=0.3)
+
+if result:
+    print(f"[分支剪枝] 已剪枝 {len(result)} 条低效分支：")
+    for item in result:
+        print(f"  ✂ {item}")
+    print("[分支剪枝] 剪枝完成")
+else:
+    print("[分支剪枝] 无低效分支需剪枝")