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6b107fc4d3
- Replace msg_info/stop_spinner with plain echo for telemetry reporting The background spinner process in non-interactive shells (bash -c) can trigger SIGTSTP, stopping the entire process group before the recovery dialog appears. Plain echo avoids this. - Add trap '' TSTP at failure path entry to ignore suspension signals Prevents Ctrl+Z or terminal-related SIGTSTP from interrupting the recovery menu. Restored with trap - TSTP before exit. - Root cause: msg_info starts a background process (spinner &) that is not properly detached in non-interactive shells where job control (set -m) is OFF. The disown builtin has no effect without job control, leaving the spinner in the same process group. This can cause terminal I/O conflicts during the 33-second post_update_to_api retry window, resulting in [2]+ Stopped.