{
  "_sovereign": "TCS-0002∞ | SYS-GLW-0001",
  "_copyright": "国作登字-2026-A-00037559",
  "_description": "广州国内LLM中继配置 · API走广州·算力走新加坡",
  "version": "1.0",
  "relay_architecture": {
    "description": "反向中继: 新加坡(算力) → 广州(国内网络出口) → 国内LLM API",
    "note": "与硅谷Claude中继对称: SG→SV→Claude = SG→GZ→国内API",
    "singapore_servers": {
      "ZY-SVR-002": {
        "role": "面孔·前端+专线主入口",
        "location": "Singapore",
        "spec": "2核8G"
      },
      "ZY-SVR-005": {
        "role": "大脑·DB+MCP+Agent+订阅",
        "location": "Singapore",
        "spec": "4核8G"
      }
    },
    "guangzhou_server": {
      "ZY-SVR-003": {
        "role": "国内LLM API中继·国内网络出口",
        "location": "Guangzhou, China",
        "ipv4": "43.138.243.30",
        "purpose": "在国内网络环境下直连国内LLM API（零跨境延迟）",
        "github_secrets": {
          "host": "ZY_CN_LLM_HOST",
          "ssh_key": "ZY_CN_LLM_KEY",
          "user": "ZY_CN_LLM_USER"
        }
      }
    }
  },
  "domestic_routing": {
    "trigger_models": [
      "deepseek-chat",
      "qwen-turbo",
      "moonshot-v1-8k",
      "glm-4-flash"
    ],
    "relay_method": "http_proxy",
    "relay_config": {
      "description": "新加坡服务器通过HTTP将国内LLM请求转发到广州中继服务",
      "relay_port": 3900,
      "relay_path": "/llm/chat",
      "auth_method": "Bearer Token (ZY_CN_LLM_RELAY_KEY)",
      "protocol": "HTTP (内部通信·服务器间)"
    },
    "fallback": "direct",
    "fallback_note": "如广州中继不可用，降级为直连国内API（从新加坡跨境调用·延迟高但可用）"
  },
  "bandwidth_optimization": {
    "strategy": "广州国内出口中继",
    "description": "请求体通常很小(几KB)，广州中继延迟可忽略。国内API调用从跨境秒级降到毫秒级。",
    "gz_bandwidth": "国内直连·零跨境延迟",
    "sg_bandwidth": "高带宽·算力中心·会话管理"
  },
  "setup_requirements": {
    "guangzhou_server": [
      "安装Node.js 20+",
      "部署 cn-llm-relay 服务 (端口3900)",
      "配置 .env.relay (国内API密钥 + 中继鉴权密钥)",
      "PM2守护进程·开机自启",
      "防火墙放行3900端口 (仅允许新加坡服务器IP)"
    ],
    "singapore_server": [
      "配置 ZY_CN_LLM_RELAY_HOST (广州服务器IP)",
      "配置 ZY_CN_LLM_RELAY_KEY (中继鉴权密钥)",
      "domestic-llm-gateway.js 自动检测并使用中继"
    ],
    "github_secrets": [
      "ZY_CN_LLM_HOST — 广州服务器IP (43.138.243.30)",
      "ZY_CN_LLM_KEY — SSH私钥 (部署用)",
      "ZY_CN_LLM_USER — SSH用户名",
      "ZY_CN_LLM_RELAY_KEY — 中继API鉴权密钥 (新加坡→广州通信用)"
    ]
  }
}