WIP: Chain138 deployment scripts, flash receivers, HYBX OMNL recovery

script/deploy/bridge/DeployZedxionCustomBridge.s.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+import "forge-std/Script.sol";
+import "../../../contracts/bridge/ZedxionCustomBridge.sol";
+
+/**
+ * @notice Deploy ZedxionCustomBridge on Chain 138 and/or ZEDXION (83872).
+ * @dev For CREATE2 same-address deploy, use DeployDeterministicCore pattern with salt keccak256("ZedxionCustomBridge").
+ * Env: PRIVATE_KEY, ADMIN (defaults msg.sender)
+ */
+contract DeployZedxionCustomBridge is Script {
+    function run() external {
+        uint256 pk = vm.envUint("PRIVATE_KEY");
+        address admin = vm.envOr("ADMIN", vm.addr(pk));
+        vm.startBroadcast(pk);
+        ZedxionCustomBridge bridge = new ZedxionCustomBridge(admin);
+        vm.stopBroadcast();
+        console2.log("ZedxionCustomBridge", address(bridge));
+        console2.log("Admin", admin);
+    }
+}