The WSL cleanup ran `pkill -9 -f unsloth_studio` then `pkill -9 -f llama-server`,
but the `bash -lc <cmd>` shell's own argv contains those literal patterns, so the
first pkill SIGKILLed the shell before the llama-server pkill (and trailing `true`)
ever ran -- leaving a running llama-server (dynamic port, not covered by
`fuser -k 8888`) alive after uninstall. Use the [x]-regex self-exclusion trick
('[u]nsloth_studio' / '[l]lama-server') so the shell's argv no longer contains the
matched substring; real target processes still match. Verified in WSL: shell
survives, both dummy processes are killed.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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