dsh-tool-antigravity: A High-Performance Antigravity OAuth LLM Routing and Nano Banana 2 Image Generation Capability Pack

`dsh-tool-antigravity` is a high-performance plugin for DeepSeek Harness, designed to enhance Antigravity model routing and image generation capabilities. It addresses challenges in OAuth authentication, long-text streaming, and image editing, supporting Google OAuth 2.0 PKCE authentication, the Nano Banana 2 image engine, and fine-grained inference budget control. The plugin optimizes network performance through connection pooling and implements strict permission loopback protection along with secure storage mechanisms. It is community-driven, licensed under the MIT License, and provides developers with an integrated and secure tool-calling solution.