During June 2025, Wei Hou focused on improving the reliability of articulated-object simulations in the ucb-bar/IsaacLab repository. He addressed a critical issue in the simulation state handling by ensuring that joint position and velocity targets reset correctly alongside joint states when invoking the scene reset function. This Python-based solution eliminated stale initial states, enhancing reproducibility and reducing downstream debugging time for robotics simulation workflows. Wei applied his expertise in physics simulation and Python scripting to maintain and test the updated reset logic, contributing to overall code health. His work demonstrated careful attention to simulation correctness and maintainability within the project.