* feat(serve): run orca serve on the local orcad slot behind ORCA_SERVE_RUNTIME=orcad (T6-11)
* fix(serve): keep orcad selection app-side and wait out Windows temp cleanup
* refactor(orcad): move the data-root privacy check out of the instance lock
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Co-authored-by: m4air <m4air@Mac.localdomain>