dsh-git-auth: A Git Authentication and SSH Key Management Tool for DeepSeek Harness

dsh-git-auth is a Git authentication plugin for DeepSeek Harness (DSH), designed to address credential security and maintenance issues when agents interact with Git services. The plugin provides unified status checks, non-interactive login, and workspace SSH key management. It supports securely storing tokens through settings or environment variables and allows generating and configuring Ed25519 deployment keys in single-user or trusted environments. By centralizing configuration and approval mechanisms, the tool enhances the security and convenience of Git operations in DSH environments.