digraph GlobalArbitrageEngine {
  rankdir=LR;
  compound=true;
  labelloc="t";
  fontsize=18;
  fontname="Inter";

  node [shape=box, style="rounded", fontsize=11, fontname="Inter"];
  edge [fontsize=10, fontname="Inter"];

  // =========================
  // ANCHOR / NUMERAIRE LAYER
  // =========================
  subgraph cluster_anchor {
    label="Anchor / Numeraire";
    style="rounded";

    XAU_ORACLE [label="XAU Oracle\n(ETH/XAU pricing)"];
    ORACLE_AGG [label="OracleAggregator"];
    ORACLE_PROXY [label="OracleProxy"];
    PRICE_KEEPER [label="PriceFeedKeeper"];
    MULTICALL [label="Multicall"];

    LEDGER [label="Ledger\n(XAU-denominated accounting)"];
    VAULT_FACTORY [label="VaultFactory"];

    XAU_ORACLE -> ORACLE_AGG;
    ORACLE_PROXY -> ORACLE_AGG;
    PRICE_KEEPER -> ORACLE_AGG;
    MULTICALL -> ORACLE_AGG;

    ORACLE_AGG -> LEDGER;
    VAULT_FACTORY -> LEDGER;
  }

  // =========================
  // HUB: CHAIN 138
  // =========================
  subgraph cluster_hub {
    label="Hub: Chain 138 (Liquidity + Settlement)";
    style="rounded";

    C138 [shape=oval, label="Chain 138\n(DBIS / DeFi Oracle)"];

    // Tokens
    CUSDT [label="cUSDT"];
    CUSDC [label="cUSDC"];
    WETH [label="WETH / WETH10\n(Bridge Rail)"];

    // Liquidity
    DODO_INT [label="DODOPMMIntegration"];
    DODO_PROV [label="DODOPMMProvider"];
    POOL_CUSDT_CUSDC [label="DODO PMM Pool\ncUSDT/cUSDC"];
    POOL_CUSDT_USDT [label="DODO PMM Pool\ncUSDT/USDT (official addr)"];
    POOL_CUSDC_USDC [label="DODO PMM Pool\ncUSDC/USDC (official addr)"];

    // Reserve / Vault / Settlement
    RESERVE_SYS [label="ReserveSystem"];
    RESERVE_INT [label="ReserveTokenIntegration"];
    BRIDGE_VAULT [label="BridgeVault"];
    LIQUIDATION [label="Liquidation"];

    // Registry / Compliance
    TOKEN_FACTORY [label="TokenFactory"];
    TOKEN_IMPL [label="TokenImplementation"];
    TOKEN_REG [label="TokenRegistry"];
    COMPLIANCE_REG [label="ComplianceRegistry"];
    POLICY_MGR [label="PolicyManager"];
    DEBT_REG [label="DebtRegistry"];
    FEE_COL [label="FeeCollector"];

    // Governance / Deterministic
    GOV_CTRL [label="GovernanceController"];
    UAR [label="UniversalAssetRegistry\n(proxy + deterministic)"];
    CREATE2 [label="CREATE2Factory"];

    // Channel / Mirror / Settlement
    MIRROR_REG [label="MirrorRegistry"];
    MIRROR_MGR [label="MirrorManager"];
    TX_MIRROR [label="TransactionMirror"];
    ADDR_MAP [label="AddressMapper"];
    PAYMENT_CH [label="PaymentChannelManager"];
    STATE_CH [label="GenericStateChannelManager"];
    MERCH_SETTLE [label="MerchantSettlementRegistry"];
    WITHDRAW_ESC [label="WithdrawalEscrow"];
    LOCKBOX [label="Lockbox138"];

    // Internal edges
    TOKEN_FACTORY -> TOKEN_IMPL;
    TOKEN_FACTORY -> TOKEN_REG;
    TOKEN_REG -> COMPLIANCE_REG;
    POLICY_MGR -> COMPLIANCE_REG;

    DEBT_REG -> LEDGER;
    LIQUIDATION -> LEDGER;

    FEE_COL -> BRIDGE_VAULT;

    DODO_PROV -> DODO_INT;
    DODO_INT -> POOL_CUSDT_CUSDC;
    DODO_INT -> POOL_CUSDT_USDT;
    DODO_INT -> POOL_CUSDC_USDC;

    CUSDT -> DODO_INT [label="swap"];
    CUSDC -> DODO_INT [label="swap"];

    RESERVE_SYS -> RESERVE_INT;
    RESERVE_INT -> CUSDT;
    RESERVE_INT -> CUSDC;

    MIRROR_MGR -> MIRROR_REG;
    TX_MIRROR -> MIRROR_MGR;
    ADDR_MAP -> MIRROR_MGR;

    PAYMENT_CH -> MERCH_SETTLE;
    STATE_CH -> MERCH_SETTLE;
    WITHDRAW_ESC -> MERCH_SETTLE;
    LOCKBOX -> WITHDRAW_ESC;

    GOV_CTRL -> UAR;
    GOV_CTRL -> CREATE2;

    // Tie hub to anchor
    LEDGER -> C138 [style=dashed, label="valuation"];
  }

  // =========================
  // BRIDGE LAYER
  // =========================
  subgraph cluster_bridge {
    label="Bridge Layer";
    style="rounded";

    BRIDGE_ORCH [label="BridgeOrchestrator"];
    UCCIP [label="UniversalCCIPBridge"];

    CCIP_ROUTER [label="CCIP Router"];
    CCIP_SENDER [label="CCIP Sender"];
    CCIP_RECEIVER [label="CCIP Receiver"];
    CCIP_WETH9 [label="CCIPWETH9Bridge"];
    CCIP_WETH10 [label="CCIPWETH10Bridge"];

    ALLTRA_ADAPTER [label="AlltraAdapter\n(138 ↔ 651940)"];

    BRIDGE_ORCH -> UCCIP;
    UCCIP -> CCIP_ROUTER;
    CCIP_SENDER -> CCIP_ROUTER;
    CCIP_RECEIVER -> CCIP_ROUTER;
    CCIP_WETH9 -> CCIP_ROUTER;
    CCIP_WETH10 -> CCIP_ROUTER;

    BRIDGE_VAULT -> CCIP_WETH9;
    BRIDGE_VAULT -> CCIP_WETH10;

    BRIDGE_ORCH -> ALLTRA_ADAPTER;
  }

  // =========================
  // EDGE CHAINS (13 total)
  // =========================
  subgraph cluster_edges {
    label="Edge Chains (Liquidity Surfaces)";
    style="rounded";

    ETH [shape=oval, label="Ethereum\n(chain 1)"];
    BSC [shape=oval, label="BSC\n(chain 56)"];
    POL [shape=oval, label="Polygon\n(chain 137)"];
    OPT [shape=oval, label="Optimism\n(chain 10)"];
    ARB [shape=oval, label="Arbitrum\n(chain 42161)"];
    AVAX [shape=oval, label="Avalanche\n(chain 43114)"];
    BASE [shape=oval, label="Base\n(chain 8453)"];
    GNO [shape=oval, label="Gnosis\n(chain 100)"];
    CRO [shape=oval, label="Cronos\n(chain 25)"];
    CELO [shape=oval, label="Celo\n(chain 42220)"];
    WEMIX [shape=oval, label="Wemix\n(chain 1111)"];
    ALLTRA [shape=oval, label="ALL Mainnet\n(chain 651940)"];

    // Conceptual edge pools
    EDGE_POOL_1 [label="Edge Pools\n(cW*/USDC, cW*/USDT)\n(design; deploy per chain)"];

    ETH -> EDGE_POOL_1 [style=dashed];
    BSC -> EDGE_POOL_1 [style=dashed];
    POL -> EDGE_POOL_1 [style=dashed];
    OPT -> EDGE_POOL_1 [style=dashed];
    ARB -> EDGE_POOL_1 [style=dashed];
    AVAX -> EDGE_POOL_1 [style=dashed];
    BASE -> EDGE_POOL_1 [style=dashed];
    GNO -> EDGE_POOL_1 [style=dashed];
    CRO -> EDGE_POOL_1 [style=dashed];
    CELO -> EDGE_POOL_1 [style=dashed];
    WEMIX -> EDGE_POOL_1 [style=dashed];
  }

  // =========================
  // CROSS-CHAIN CONNECTIONS
  // =========================

  // Hub <-> bridge orchestrator
  C138 -> BRIDGE_ORCH [lhead=cluster_bridge, label="route orchestration"];
  WETH -> CCIP_WETH9 [lhead=cluster_bridge, label="bridge rail"];
  WETH -> CCIP_WETH10 [lhead=cluster_bridge, label="bridge rail"];

  // CCIP connectivity to edges (conceptual)
  CCIP_ROUTER -> ETH [label="CCIP"];
  CCIP_ROUTER -> BSC [label="CCIP"];
  CCIP_ROUTER -> POL [label="CCIP"];
  CCIP_ROUTER -> OPT [label="CCIP"];
  CCIP_ROUTER -> ARB [label="CCIP"];
  CCIP_ROUTER -> AVAX [label="CCIP"];
  CCIP_ROUTER -> CRO [label="CCIP"];
  CCIP_ROUTER -> BASE [style=dashed, label="CCIP/Config"];
  CCIP_ROUTER -> GNO [style=dashed, label="CCIP/Config"];
  CCIP_ROUTER -> CELO [style=dashed, label="CCIP/Config"];
  CCIP_ROUTER -> WEMIX [style=dashed, label="CCIP/Config"];

  // Alltra adapter connectivity
  ALLTRA_ADAPTER -> ALLTRA [label="AlltraAdapter"];

  // Anchor link
  LEDGER -> XAU_ORACLE [style=dashed, label="XAU ref"];
}