fix(monitor): dedupe alert trigger condition in notify templates (#24780)

build/monitor/root/opt/yunion/share/notify_templates/monitor/content@cn/DEFAULT

@@ -1,9 +1,7 @@
 策略名称: {{.name}}
 触发时间: {{.start_time}}
 报警级别: {{.level}}
-触发条件:{{if eq (len .matches) 1}} {{(index .matches 0).condition | unescaped}}{{else}}
-{{- range .matches}}- {{.condition | unescaped}}
-{{- end}}{{end}}
+触发条件: {{.description | unescaped}}
 {{if .reason}}报警原因: {{.reason}}
 {{end}}报警数量：{{len .matches}}
 资源名称：{{.resource_name}}

build/monitor/root/opt/yunion/share/notify_templates/monitor/content@en/DEFAULT

@@ -1,9 +1,7 @@
 AlertName: {{.name}}
 Time: {{.start_time}}
 Level: {{.level}}
-TriggerCondition:{{if eq (len .matches) 1}} {{(index .matches 0).condition | unescaped}}{{else}}
-{{- range .matches}}- {{.condition | unescaped}}
-{{- end}}{{end}}
+TriggerCondition: {{.description | unescaped}}
 {{if .reason}}Reason: {{.reason}}
 {{end}}AlertCount: {{len .matches}}
 ResourceName: {{.resource_name}}

pkg/monitor/alerting/eval_context.go

@@ -212,12 +212,12 @@ func (c *EvalContext) GetNotificationTemplateConfig(matches []*monitor.EvalMatch
 			conds = append(conds, m.Condition)
 		}
 		if len(conds) > 0 {
-			desc = strings.Join(conds, " ")
+			desc = strings.Join(conds, ", ")
 			log.Debugf("[GetNotificationTemplateConfig] rule=%s matches=%d desc from match conditions: %s", c.Rule.Name, len(matches), desc)
 		}
 	} else if len(c.Rule.TriggeredMessages) > 0 {
 		// 兼容旧逻辑：如果没有按 match 填充 Condition，则退回到规则级 TriggeredMessages
-		desc = strings.Join(c.Rule.TriggeredMessages, " ")
+		desc = strings.Join(c.Rule.TriggeredMessages, ", ")
 		log.Debugf("[GetNotificationTemplateConfig] rule=%s matches=%d desc from TriggeredMessages (fallback): %s", c.Rule.Name, len(matches), desc)
 	}
 	if c.Error != nil {