Worked on stabilizing binary resolution and shim management for the jdx/mise repository, focusing on ensuring reliable command line interface behavior when shims are present on the system PATH. Addressed a long-standing reliability issue by preventing circular symlinks and eliminating false missing shim reports during reshims and doctor operations. Utilized Rust and Bash to implement a targeted fix that adopted a shim-agnostic binary resolution approach, avoiding self-referential symlinks. Developed and maintained comprehensive end-to-end and regression tests, including new scenarios for non-interactive shell activation. The work improved the robustness of CLI tooling and closed a critical gap in shim resolution reliability.