dsh-route-resilience: DSH Multi-route High Availability and Fault Isolation

dsh-route-resilience is a multi-route high-availability plugin built specifically for DeepSeek Harness (DSH) to address request failures caused by a single route due to rate limiting, timeouts, or credential errors. The plugin organizes multiple authorized Provider routes for the same model into model groups, distributes requests via round-robin, and automatically switches to healthy routes when encountering retryable errors, while isolating faulty routes to prevent impact on the overall service. Its core functions include multi-route failover, 429 rate limiting handling, Auth/Quota anomaly isolation, and a Fallback mechanism, ensuring service continuity. Additionally, the plugin provides a read-only status interface and a Web management panel, making it easy for users to view route health status and adjust isolation parameters. During installation, users need to use npm or GitHub...