Tw93 4f07a5aa0a perf(clean): speed up scan phase across all modules ...

- Parallelize project cache indicator checks and root scans in caches.sh
  (sequential find per $HOME/* dir → throttled background jobs)
- Pre-compute project name cache before purge display loop, eliminating
  O(N²) filesystem traversals in get_artifact_display_name
- Replace basename/dirname subshells with parameter expansion in
  get_project_name/get_project_path hot loops; depth counter via
  bash string arithmetic instead of echo|tr|wc|tr pipeline
- Eliminate mktemp/awk/rm per call in app_support_item_size_bytes,
  use command substitution to capture du output directly
- Defer tr lowercase in clean_application_support_logs to only when
  first 3 protection checks fail; replace basename with ${var##*/}
- Optimize trash item counting: find -print0|tr -dc '\0'|wc -c
  avoids per-file fork from -exec printf
- Add -maxdepth 5 to /private/var/folders find (X dir is always at
  depth 3, code_sign_clone at depth 5 max; verified on real machine)

2026-03-21 15:19:32 +08:00

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