satan9394/dsh-performance: Performance Optimization and Budget Management

`satan9394/dsh-performance` is a performance optimization plugin for DeepSeek Harness (DSH). It is designed to address the challenge of blind optimization in agent development by providing a complete closed-loop toolchain for performance tuning through mechanisms such as measurement-first, bottleneck identification, lazy cache loading, and performance budgeting. Developers must obtain the source code from GitHub and deploy it independently. When using the plugin, they should pay attention to permission security and the unpublished license agreement. It effectively helps developers quantify metrics, manage resources, and prevent performance degradation.