Changes behavior to only log when Box folder is empty, not send emails.
Rationale:
- Empty folder is normal operation (not an error condition)
- Reduces email noise when script runs on cron
- Still logs the event for monitoring
- Similar to other workflows (a1_to_a2, etc.) that don't email when no work to do
Changes:
- Removed notifier.send_email() call for 'creativex_no_files' template
- Enhanced log message: "No PDF files found - this is normal when folder is empty"
- Added: "Script completed successfully with no files to process"
- Still returns success=True (not an error)
Template 'creativex_no_files' retained for potential future use but not called.
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Co-Authored-By: Claude <noreply@anthropic.com>
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