fix: add event during token recovery on Swapper

src/Swapper.sol

@@ -147,6 +147,8 @@ contract Swapper is UUPSUpgradeable, AccessControlUpgradeable, PausableUpgradeab
         } else {
             IERC20(token).safeTransfer(to, amount);
         }
+
+        emit TokensRecovered(token, to, amount);
     }
 
     /**

src/interfaces/ISwapper.sol

@@ -95,6 +95,14 @@ interface ISwapper is IAccessControl {
      */
     event NativeWrapperSet(address indexed wrapper);
 
+    /**
+     * @notice Emitted when stranded tokens or native ETH are recovered by an admin.
+     * @param token Token address recovered, or the native ETH sentinel (0xEeee...eeEE).
+     * @param to Recipient of the recovered funds.
+     * @param amount Amount recovered.
+     */
+    event TokensRecovered(address indexed token, address indexed to, uint256 amount);
+
     /**
      * @notice Reverts when a required address argument is zero.
      */

test/unit/Swapper.t.sol

@@ -418,6 +418,17 @@ contract SwapperTest is Test {
         assertEq(tokenIn.balanceOf(address(swapper)), 0, "Swapper balance should be zero");
     }
 
+    function test_recoverTokens_WhenValid_EmitsTokensRecovered() public {
+        uint256 rescueAmount = 50 ether;
+        tokenIn.mint(address(swapper), rescueAmount);
+
+        vm.expectEmit(true, true, false, true, address(swapper));
+        emit ISwapper.TokensRecovered(address(tokenIn), recipient, rescueAmount);
+
+        vm.prank(admin);
+        swapper.recoverTokens(address(tokenIn), recipient, rescueAmount);
+    }
+
     function test_recoverTokens_WhenNativeETH_TransfersNativeETH() public {
         uint256 rescueAmount = 5 ether;
 
@@ -433,6 +444,18 @@ contract SwapperTest is Test {
         assertEq(address(swapper).balance, 0, "Swapper balance should be zero");
     }
 
+    function test_recoverTokens_WhenNativeETH_EmitsTokensRecovered() public {
+        uint256 rescueAmount = 5 ether;
+        vm.deal(address(swapper), rescueAmount);
+        address nativeEth = swapper.NATIVE_ETH();
+
+        vm.expectEmit(true, true, false, true, address(swapper));
+        emit ISwapper.TokensRecovered(nativeEth, recipient, rescueAmount);
+
+        vm.prank(admin);
+        swapper.recoverTokens(nativeEth, recipient, rescueAmount);
+    }
+
     function test_recoverTokens_WhenNativeETHTransferFails_Reverts() public {
         uint256 rescueAmount = 5 ether;