pragma solidity ^0.8.26;

interface IRewardVault {
    function earned(address account) external view returns (uint256);
    function getPartialReward(address account, address recipient, uint256 amount) external;
}

contract PartialClaimManager {
    IRewardVault public immutable rewardVault;

    constructor(address vault) {
        rewardVault = IRewardVault(vault);
    }

    function claimPartial(uint256 amount, address recipient) external {
        uint256 available = rewardVault.earned(msg.sender);
        require(amount <= available, "amount exceeds rewards");
        rewardVault.getPartialReward(msg.sender, recipient, amount);
    }
}