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

core/common/notify.py

@@ -12,7 +12,7 @@ import os
 from loguru import logger
 from typing import Optional
 
-from config.settings import get_dingtalk_config
+from config.settings import get_dingtalk_config, get_all_dingtalk_configs
 from core.common.oss_utils import upload_image_to_oss
 
 
@@ -467,6 +467,45 @@ class DingTalkBot:
             return self.send_image(image_path, title)
 
 
+def send_to_all_groups(
+    send_func_name: str,
+    **kwargs,
+) -> bool:
+    """
+    向所有已配置的钉钉群发送消息
+
+    Args:
+        send_func_name: DingTalkBot 的发送方法名，如 'send_text', 'send_markdown', 'send_image_via_oss'
+        **kwargs: 传递给发送方法的参数
+
+    Returns:
+        bool: 是否全部发送成功
+    """
+    configs = get_all_dingtalk_configs()
+    if not configs:
+        logger.warning("没有配置任何钉钉群，消息未发送")
+        return False
+
+    all_success = True
+    for i, cfg in enumerate(configs, 1):
+        bot = DingTalkBot(webhook=cfg["webhook"], secret=cfg["secret"])
+        method = getattr(bot, send_func_name, None)
+        if method is None:
+            logger.error(f"DingTalkBot 没有方法: {send_func_name}")
+            return False
+        try:
+            success = method(**kwargs)
+            if success:
+                logger.info(f"群{i} 发送成功")
+            else:
+                logger.error(f"群{i} 发送失败")
+                all_success = False
+        except Exception as e:
+            logger.error(f"群{i} 发送异常: {e}")
+            all_success = False
+    return all_success
+
+
 class NotificationManager:
     """通知管理器 - 统一管理多种通知渠道"""