* fix: optimize PDF parsing by implementing concurrent processing with ThreadPoolExecutor
* Refactor to async processing for file extraction
Refactor the file processing to use asyncio for improved performance and concurrency.
* feature: unstructured支持简单pdf处理
* feature: update values.yaml to enhance ray-cluster configuration with security context, environment variables, and resource limits
* feature: update deploy.yaml and process.py for mineru server configuration and PDF processing enhancements
* feature: update deploy.yaml and process.py for mineru server configuration and PDF processing enhancements
* feature: improve PDF processing logic and update dependencies in process.py and pyproject.toml
* feature: improve PDF processing logic and update dependencies in process.py and pyproject.toml
* feature: update Dockerfile for improved package source mirrors and add mineru-npu to build targets
