feat(alerts): alert_helper 统一告警网关——信噪比控制

两级通道:
- ACTION(买入信号/重点推荐/部署验证失败): 直通不限速, 🚨醒目前缀
- INFO(部署/卫生/修复/螺旋报备): 同类30min限1条 + ≤8行截断 +
  24h内容去重(同一问题不重复轰炸) + 压制计数透明披露

6个调用点全部迁移: deploy_guard/hygiene/spiral/self_repair(INFO)
+ batch_reassess/per_stock_reassess 买入信号(ACTION)
解决: 真正有意义的信息(重点推荐操作)不被纯通知淹没

deploy/profile-scripts/batch_reassess.py

@@ -371,12 +371,9 @@ def save_result(code, full_text, parsed):
             _sl = parsed.get("stop_loss", 0)
             _tp = parsed.get("take_profit", 0)
             _pos = parsed.get("position", "")
-            _msg = f"\U0001f4c8 {_name}({code}) 价{_p}\u219212维分析生成买入信号！区间{_el}~{_eh} 损{_sl} 盈{_tp} 仓位{_pos}"
-            import urllib.request, json as _jj
-            _req = urllib.request.Request("http://127.0.0.1:5805/",
-                data=_jj.dumps({"body": _msg, "to": "hmo@yoin.fun", "type": "chat"}).encode(),
-                headers={"Content-Type": "application/json"})
-            urllib.request.urlopen(_req, timeout=5)
+            _msg = f"📈 {_name}({code}) 价{_p}→12维分析生成买入信号！区间{_el}~{_eh} 损{_sl} 盈{_tp} 仓位{_pos}"
+            from alert_helper import notify as _notify, ACTION as _ACT
+            _notify("买入信号", _msg, _ACT)
             print(f"  \U0001f4e8 XMPP推送成功: {_msg[:60]}")
         except Exception as _e:
             print(f"  \u26a0\ufe0f XMPP推送失败: {_e}")