Resets the countdown for timer jobs and restarts the process for
service jobs. Disabled jobs are refused with a clear error message.
Accepts hex ID or name like all other management operations.
- restartJob() function with disabled-job guard
- getopts R:, manage_count, mutual-exclusion error messages updated
- 9 new tests in test.sh (112 total), 1 new tape command (24 total)
- README options table, names prose, and future-ideas checklist updated
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>