- Updated `.env.example`
  - `API_CACHE_LOG_UNKNOWN_ERRORS=true`
  - `API_CACHE_UNKNOWN_ERROR_LEVEL=error`
- Updated `config/api-cache.php`
  - `error_logging.log_events.unknown_error`
  - `error_logging.levels.unknown_error`
- Renamed `scripts/amazon_products_process_responses_all.php` to `scripts/amazon_products_process_responses.php`
- Added `tasks/AmazonProductsProcessResponsesTasks.php`
- Added `logUnknownError()` to `src/BaseApiClient.php`
- Modified `src/ZyteApiClient.php` method `extractParallel()` to use `logUnknownError()` for unexpected responses