{
  "_comment": "Google Vision API service account key for OCR cloud fallback",
  "_instructions": [
    "1. Create a Google Cloud service account with Vision API access",
    "2. Download the JSON key file",
    "3. Save it as secrets/app/google-vision-key.json (gitignored)",
    "4. Uncomment the volume mount in docker-compose.yml",
    "5. Set OCR_FALLBACK_ENGINE=google_vision"
  ],
  "type": "service_account",
  "project_id": "your-project-id",
  "private_key_id": "",
  "private_key": "",
  "client_email": "your-sa@your-project-id.iam.gserviceaccount.com",
  "client_id": "",
  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
  "token_uri": "https://oauth2.googleapis.com/token"
}