Nice paper showing just how far you can push an agent harness. In most setups, the default coding agent harness is static. Capabilities get wired in at design time, and the run has no way to change how it is being executed. openJiuwen is an open-source harness built to fix that. It reaches 82.6% on SWE-bench Verified and 87.19% on Terminal-Bench 2.1, ahead of the strongest official leaderboard entries by 3.4 and 3.39 points. A bit on how openJiuwen works: Rail-based composition lets…