- Fix YAML parsing to capture interval:/prompt: before breaking
- Record task timestamps AFTER successful execution (not before)
- Initialize task state on first run (handle undefined session)
- Skip API call when no tasks due (return null)
- Use startedAt consistently for due-task filtering
Fixes: #3030568439, #3033833124, #3030570872, #3030568408, #3030570872, #3035434022, #3035434368
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