Add support for Ekubo MEV-resist extension

foundry/lib/ekubo/interfaces/ICore.sol

@@ -2,15 +2,15 @@
 pragma solidity ^0.8.26;
 
 import {IFlashAccountant} from "./IFlashAccountant.sol";
-import {EkuboPoolKey} from "../types/poolKey.sol";
+import {PoolKey} from "../types/poolKey.sol";
 import {SqrtRatio} from "../types/sqrtRatio.sol";
 
 interface ICore is IFlashAccountant {
     function swap_611415377(
-        EkuboPoolKey memory poolKey,
+        PoolKey memory poolKey,
         int128 amount,
         bool isToken1,
         SqrtRatio sqrtRatioLimit,
         uint256 skipAhead
     ) external payable returns (int128 delta0, int128 delta1);
-}
+}

foundry/lib/ekubo/interfaces/IFlashAccountant.sol

@@ -10,7 +10,17 @@ interface IPayer {
 }
 
 interface IFlashAccountant {
+    // Forward the lock from the current locker to the given address
+    // Any additional calldata is also passed through to the forwardee, with no additional encoding
+    // In addition, any data returned from IForwardee#forwarded is also returned from this function exactly as is, i.e. with no additional encoding or decoding
+    // Reverts are also bubbled up
+    function forward(address to) external;
+
     // Withdraws a token amount from the accountant to the given recipient.
     // The contract must be locked, as it tracks the withdrawn amount against the current locker's delta.
-    function withdraw(address token, address recipient, uint128 amount) external;
+    function withdraw(
+        address token,
+        address recipient,
+        uint128 amount
+    ) external;
 }

foundry/lib/ekubo/types/poolKey.sol

@@ -1,12 +1,20 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.26;
 
+using {extension} for Config global;
+
 // address (20 bytes) | fee (8 bytes) | tickSpacing (4 bytes)
 type Config is bytes32;
 
 // Each pool has its own state associated with this key
-struct EkuboPoolKey {
+struct PoolKey {
     address token0;
     address token1;
     Config config;
 }
+
+function extension(Config config) pure returns (address e) {
+    assembly ("memory-safe") {
+        e := shr(96, config)
+    }
+}