DeepSeek Harness Game Studio Plugin

`dsh-game-studio` is a community plugin for DeepSeek Harness, designed to transform DSH into an AI-native game development runtime. The plugin provides a `/game` command system, covering standardized workflows such as project initialization, bug fixing, testing, and code review. Core features include a dynamic Agent Pool (up to 6 concurrent agents), engine adapters (supporting Godot, Unity, and UE5), and three Review Modes (Solo/Lean/Studio). The plugin ensures code quality through deterministic quality gates and a Verifier mechanism. It currently provides a full implementation for Godot 4.x and adapter templates for Unity/UE5. Developers can use pnpm in DSH...