Autonomous Exploit-Response
Circuit Breaker

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

/**
 * @title IAegisBreaker
 * @notice Authoritative circuit breaker interface deployed on GenLayer
 */
interface IAegisBreaker {
    function is_halted(address target) external view returns (bool);
}

contract ProtectedDeFiVault {
    IAegisBreaker public immutable aegis;
    address public owner;

    event EmergencyHaltTriggered(address indexed target);

    constructor(address _aegis) {
        aegis = IAegisBreaker(_aegis);
        owner = msg.sender;
    }

    /**
     * @notice Enforce autonomous circuit breaker before critical execution
     */
    modifier whenNotHalted() {
        require(!aegis.is_halted(address(this)), "Aegis: circuit breaker active");
        _;
    }

    // Critical state transition: protected against reentrancy and active exploits
    function processWithdrawal(address recipient, uint256 amount)
        external
        whenNotHalted
    {
        // Vault execution logic continues safely...
    }
}