# MemoryWeave (织忆) Prometheus 告警规则
# 位置: /etc/prometheus/rules/zhiyi.yml

groups:
  - name: zhiyi_alerts
    rules:
      # ─── 蒸馏积压 ─────────────────────────
      - alert: ZhiyiDistillBacklog
        expr: zhiyi_distill_queue_depth > 50
        for: 10m
        labels:
          severity: warning
        annotations:
          summary: "织忆蒸馏队列积压 ({{ $value }} > 50)"
          description: "蒸馏队列深度超过 50，可能出现处理瓶颈"

      # ─── 冲突积压 ─────────────────────────
      - alert: ZhiyiConflictsPending
        expr: zhiyi_conflicts_pending > 5
        for: 15m
        labels:
          severity: warning
        annotations:
          summary: "织忆待解决冲突 ({{ $value }} > 5)"
          description: "有 {{ $value }} 个冲突等待裁决，需要牧尘介入"

      # ─── Recall 延迟异常 ───────────────────
      - alert: ZhiyiRecallLatencyHigh
        expr: histogram_quantile(0.99, rate(zhiyi_request_duration_seconds_bucket{endpoint="recall"}[5m])) > 2
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "织忆 recall P99 延迟 > 2s ({{ $value }}s)"
          description: "recall 接口变慢，检查 BGE/reranker 服务状态"

      # ─── 服务宕机 ─────────────────────────
      - alert: ZhiyiServiceDown
        expr: up{job="zhiyid"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "织忆服务宕机"
          description: "zhiyid 进程在 {{ $labels.instance }} 上停止响应"

      # ─── LLM 调用额度接近上限 ─────────────
      - alert: ZhiyiLLMBudgetNearLimit
        expr: zhiyi_distill_llm_calls_today / 50 > 0.85
        for: 30m
        labels:
          severity: warning
        annotations:
          summary: "织忆 LLM 调用接近日限 ({{ $value | humanizePercentage }})"
          description: "今日已用 {{ $value }}% 的蒸馏额度，将降级为硬规则提取"

      # ─── 深度整合失败 ─────────────────────
      - alert: ZhiyiConsolidationFailing
        expr: rate(zhiyi_consolidate_failures_total[1h]) > 0.05
        for: 30m
        labels:
          severity: critical
        annotations:
          summary: "织忆深度整合连续失败"
          description: "zhiyi-consolidate 连续 3 次失败，需手动检查 Rust sidecar"

      # ─── 内存使用过高 ─────────────────────
      - alert: ZhiyiMemoryHigh
        expr: zhiyi_memory_rss_bytes > 200e6
        for: 10m
        labels:
          severity: warning
        annotations:
          summary: "织忆内存使用 > 200MB ({{ $value | humanize }}B)"
          description: "RSS 内存超过预期，可能存在内存泄漏"

      # ─── SQLite 数据库过大 ────────────────
      - alert: ZhiyiSQLiteDBSize
        expr: zhiyi_sqlite_db_size_bytes > 1e9
        for: 1h
        labels:
          severity: warning
        annotations:
          summary: "织忆 SQLite 数据库 > 1GB ({{ $value | humanize }}B)"
          description: "数据库持续增长，建议运行深度整合修剪"