load_jobs() uses strict json.load() which rejects bare control characters
(e.g. literal newlines) in JSON string values. When a cron job prompt
contains such characters, the parser throws JSONDecodeError and the
function silently returns an empty list — causing ALL scheduled jobs
to stop firing with no error logged.
Fix: on JSONDecodeError, retry with json.loads(strict=False). If jobs
are recovered, auto-rewrite the file with proper escaping via save_jobs()
and log a warning. Only fall back to empty list if the JSON is truly
unrecoverable.
Co-authored-by: Sebastian Bochna <sbochna@SB-MBP-M2-2.local>
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