flowchart TD
    subgraph DataPlane["数据平面"]
        Node["Quantum Node"] --> Shard["BlockShardManager"]
        Shard --> Hot["Hot / Warm / Cold / Archive 分层"]
        Node --> Prune["PruningManager"]
        Prune --> Archive["Archive mode enforced"]
        Archive --> KeepAll["EnablePruning = false / 保留全历史"]
        Node --> Batch["BatchDatabaseWriter + TransactionBatchProcessor"]
    end

    subgraph Observe["观测平面"]
        Node --> Metrics["metricsServer : /metrics"]
        Metrics --> Prom["Prometheus / Grafana"]
        Node --> HealthMonitor["NodeHealthMonitor"]
        HealthMonitor --> HealthAPI["HealthCheckAPI : /health /live /ready /detailed"]
        Node --> MetricsMgr["MetricsManager / BlockPropagationMetrics"]
        Node --> Perf["Performance metrics reporting / 周期报告"]
    end

    subgraph Service["服务平面"]
        Node --> REST["Cosmos SDK REST API"]
        Node --> GRPC["gRPC Query Server"]
        Node --> RPC["Tendermint RPC"]
        Node --> Pprof["pprofServer"]
        Node --> TLS["TLSManager"]
        Node --> Log["LogLevelManager"]
    end

    subgraph Protect["资源与防护"]
        Node --> Band["bandwidthLimiter"]
        Node --> PID["PIDManager"]
        Node --> Watchdog["BlockSync stallWatchdog
检测追高停滞并触发 HTTP fallback"]
        Node --> Health["异常停机 / Stop 时统一关闭各服务"]
    end