flowchart TB
    subgraph OC["OpenClaw Gateway"]
        OC_SCHED["OpenClaw 调度器"]
        OC_FB["OpenClaw Fallback<br/>传统配置链路"]
    end

    subgraph SIDECAR["Sidecar V2 systemd/Docker"]
        direction TB

        subgraph ENTRY["入口层"]
            GW["API Gateway :9190<br/>FastAPI + 路由匹配"]
        end

        subgraph CORE["核心调度层"]
            LB["负载均衡器<br/>Weighted RR 5-10s刷新"]
            QM["队列管理器<br/>FIFO + 优先级<br/>容量500 + 溢出策略"]
        end

        subgraph POOLS["Provider 池层"]
            MP["主池 Main Pool"]
            FP["Fallback 池"]
            CP["冷却池<br/>Cooldown Pool"]
        end

        subgraph FLOW["流控层"]
            RL["Rate Limiter<br/>Per-Provider Token Bucket"]
            CD["Cooldown Detector<br/>429检测+指数退避<br/>+紧急通道10%RPM"]
        end

        subgraph STATS["存储与统计层"]
            MT["Metrics :9191<br/>Prometheus"]
            ST["统计引擎<br/>Token/费用/调用量"]
            DB[("SQLite WAL<br/>sidecar_v2.db<br/>+ cron备份")]
        end

        subgraph WEBUI["WebUI 层 :9190"]
            UI["Dashboard<br/>SSE 实时推送"]
            AP["Admin API<br/>Provider CRUD<br/>Bearer Token 鉴权"]
        end
    end

    OC_SCHED --> GW
    GW --> LB
    LB --> QM
    QM --> RL
    RL --> MP
    RL --> FP
    MP -.->|"429 触发冷却"| CP
    MP -->|"全部冷却"| FP
    FP -->|"全部冷却"| OC_FB
    CP -.->|"冷却结束恢复"| MP
    RL --> CD
    CD -.->|"紧急通道 10% RPM"| MP
    LB --> MT
    MT --> ST
    ST --> DB
    DB --> UI
    AP --> DB