- Deduplicate job IDs to prevent processing same job twice
- Convert GCS blob iterator to list upfront to avoid stale generations
- Clear blob.generation before delete to handle concurrent deletions
- Catch NotFound errors gracefully for already-deleted blobs
- Don't re-raise GCS errors - cleanup failures shouldn't block deletion
- Treat already-deleted jobs as successful (idempotent delete)
- Disable action dropdown during bulk operations in UI
- Show spinner with "Please wait" message during deletion
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>