feat: message-api for mission via wecomm agent

notifier/models.py

@@ -7,6 +7,7 @@ from flower.common import ModelBase
 
 class NotifierChannelEnum(models.TextChoices):
     WECOM_WEBHOOK = "wecom_webhook", "企业微信机器人"
+    MESSAGE_API = "message_api", "消息发送 API"
 
 
 class NotificationEventKeyEnum(models.TextChoices):
@@ -40,7 +41,8 @@ class Notifier(ModelBase):
     description = models.TextField(blank=True, null=True, verbose_name="备注描述")
 
     def get_template_name(self) -> str:
-        return f"notifier/events/{self.template_key}.md"
+        suffix = "json" if self.channel == NotifierChannelEnum.MESSAGE_API else "md"
+        return f"notifier/events/{self.template_key}.{suffix}"
 
     def get_config_value(self, key: str, default=None):
         config = self.config or {}