Environment check

• ✔ Service account key OK at: /home/u791113179/domains/scoreexl.ai/secure/keys/gcloud-sa.json
• ✔ GCS bucket 'gurudev-dub' reachable
• ✔ Speech client instantiated
• ✔ MySQL connection OK

If the bucket isn't found, create it in Google Cloud Console. Batch STT needs audio in Cloud Storage and supports up to 8 hours per file.