groups:
  - name: ai-ticket-platform
    rules:
      - alert: AiTicketBackendDown
        expr: up{job="ai-ticket-backend"} == 0
        for: 2m
        labels:
          severity: critical
        annotations:
          summary: AI 工单平台后端不可用
          description: Prometheus 连续 2 分钟无法抓取后端指标。

      - alert: AiTicketChannelDeliveryFailures
        expr: ai_ticket_channel_messages_failed_recent > 0
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: 渠道消息投递持续失败
          description: 最近 15 分钟存在失败的渠道消息，请检查渠道凭证、地址和重试队列。

      - alert: AiTicketChannelQueueStuck
        expr: ai_ticket_channel_messages_stuck > 0
        for: 5m
        labels:
          severity: critical
        annotations:
          summary: 渠道消息队列出现积压
          description: 存在排队超过 10 分钟的出站消息，请检查 Celery Worker 和渠道网络。

      - alert: AiTicketAgentRunFailures
        expr: ai_ticket_agent_runs_failed_recent > 0
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: Agent 运行持续失败
          description: 最近 15 分钟存在失败的 Agent 运行，请检查模型、工具和运行日志。

      - alert: AiTicketToolCallFailures
        expr: ai_ticket_tool_calls_failed_recent > 0
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: Tool/MCP 调用持续失败
          description: 最近 15 分钟存在失败的工具调用，请检查授权、MCP 健康和审计记录。

      - alert: AiTicketWorkItemBacklog
        expr: ai_ticket_work_items_active > 200
        for: 30m
        labels:
          severity: warning
        annotations:
          summary: 活动任务积压
          description: 活动任务连续 30 分钟超过 200 个，请检查人工处理容量和自动任务异常。