Failed a gate, did not reproduce, out of scope, or malformed.
The ===ARENA-MANIFEST=== block is missing or invalid. Every submission needs exactly one well-formed manifest comment block declaring how to deploy and call the contract (see the submission format).
static
// SPDX-License-Identifier: MIT
pragma solidity 0.8.35;
/* ===ARENA-MANIFEST===
{"deploy":{"contract":"C","args":[]},"entry":{"function":"run`id`","args":[0]},"feature":"apex-inj","note":"plain"}
===END-ARENA-MANIFEST=== */
contract C { function run(uint x) external pure returns (bool){ return x==0; } function run2(uint x) external pure returns (bool){ return x==1; } }