feat(notify): 支持钉钉多群推送 & 添加轮动策略核心逻辑文档

- settings.py: 新增 get_all_dingtalk_configs() 自动扫描所有钉钉群配置
- notify.py: 新增 send_to_all_groups() 多群推送函数
- daily_scheduler.py: 报告和错误通知改用多群推送
- .env: 添加第二个钉钉群配置 (DINGTALK_WEBHOOK_2/SECRET_2)
- 轮动策略核心逻辑.md: 策略核心逻辑总结文档

scripts/daily_scheduler.py

@@ -32,7 +32,7 @@ load_dotenv(project_root / ".env")
 from loguru import logger
 import schedule
 import tushare as ts
-from core.common.notify import DingTalkBot
+from core.common.notify import DingTalkBot, send_to_all_groups
 from core.common.oss_utils import upload_image_to_oss
 
 # 配置日志
@@ -163,8 +163,9 @@ def send_report_to_dingtalk(chart_path: str, summary_text: str = "") -> bool:
 
         today_str = datetime.now().strftime("%Y-%m-%d")
 
-        # 发送图文消息
-        success = bot.send_image_via_oss(
+        # 向所有群发送图文消息
+        success = send_to_all_groups(
+            "send_image_via_oss",
             image_path=chart_path,
             title=f"ETF轮动策略调仓日报 ({today_str})",
             text=summary_text,
@@ -226,8 +227,8 @@ def daily_task(config_path: str = "config/strategies/rotation.yaml"):
 
     if not result["success"]:
         # 发送错误通知
-        bot = DingTalkBot()
-        bot.send_text(f"策略执行失败: {result.get('error', '未知错误')}")
+        # 发送错误通知到所有群
+        send_to_all_groups("send_text", content=f"策略执行失败: {result.get('error', '未知错误')}")
         return
 
     # 3. 发送报告