Scheduler class, cron/jobs.json, Discord /cron commands, CLI cron subcommand, job lifecycle management. 88 new tests (281 total). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
echo status/doctor/restart/logs/sessions/channel/send commands, symlink at ~/.local/bin/echo. QA fix: discord chat handler tuple unpacking bug. 32 new tests (193 total). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>