tw93 837df390a5 fix(purge): rewrite spinner for /dev/tty reliability and fix cursor position ...

- Capture terminal width in parent before forking; avoids unreliable
  tput calls inside the background subshell
- Write spinner output directly to /dev/tty to prevent stdout state
  contention between parent and background processes
- Use \033[2K (erase entire line) instead of \033[K (erase to EOL)
- Add handle_interrupt() so Ctrl-C cleanly stops spinner, restores
  cursor, and exits 130
- cleanup_monitor now writes \r\033[2K\n so subsequent output starts
  on a clean line rather than on the cleared spinner line

2026-02-26 19:42:34 +08:00

8.5 KiB

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