Poll this endpoint to check the status of a processing job.

Status Values:

• queued - Job accepted, waiting to start
• processing_language - Detecting document language
• processing_phi - Detecting and redacting PHI
• processing_extraction - Extracting lab results
• completed - Processing complete, results included in response
• failed - Processing failed
• quarantined - Non-English document detected

When Completed: This endpoint returns the full extraction results
including panels, LOINC codes, and UCUM units - the same data available
via GET /lab/results/{jobId}. You can use either endpoint to retrieve results.