- Add WaitGroup synchronization for workers to prevent overlapping scheduler runs
- Increase history fetch multiplier and sleep intervals for better resource usage
- Simplify error handling and logging in worker processing
- Update SQL query to exclude error snapshots from history selection
- Fix worker ID variable reference in spawning loop
- Streamline snapshot update logic and error reporting
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Co-Authored-By: Claude <noreply@anthropic.com>
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