docs: update README.md and remove GEMINI.md

GEMINI.md

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-  AI Assistant Context (GEMINI.md)
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-This document provides the necessary context for the AI assistant (Gemini) to effectively collaborate on the "Vibe Coding" project.
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-<div align="center">
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-# Vibe Coding Guide - AI Assistant Context
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-</div>
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-## 🚀 Project Overview
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-**Vibe Coding** is a comprehensive guide and workflow for AI-assisted pair programming. The goal is to provide a structured and efficient way to turn ideas into reality by leveraging the power of AI. This project is not about a specific programming language or framework, but rather a methodology that can be applied to any software development project.
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-The core of the project is a collection of documents, prompts, and tools that guide the developer and the AI assistant through the entire development process, from initial conception to final implementation.
-
-## 的核心理念 (Core Philosophy)
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-The "Vibe Coding" methodology is based on the following key principles:
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-*   **Planning is everything:** A detailed implementation plan is created before any code is written. This plan is then executed step-by-step, with each step being tested and verified before moving on to the next.
-*   **Modularization:** The project is broken down into small, manageable modules that can be developed and tested independently.
-*   **Context is king:** The AI assistant is provided with a "memory-bank" of all the relevant project documents, such as the game design document, tech stack, and implementation plan. This ensures that the AI has a deep understanding of the project's context and can provide accurate and relevant assistance.
-*   **AI as a partner:** The AI assistant is not just a code generator, but a true partner in the development process. The developer and the AI work together, with the developer providing the high-level guidance and the AI providing the low-level implementation details.
-
-## 📂 Folder Structure
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-The most important files and directories in this project are:
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-*   `README.md`: The main entry point for the project, providing an overview and links to all the other resources.
-*   `i18n/`: Contains the internationalization files for the project, with subdirectories for each supported language.
-*   `i18n/en/`: The English version of the project documentation.
-*   `i18n/zh/`: The Chinese version of the project documentation.
-*   `libs/`: Contains common library code that can be used across different projects.
-*   `prompts/`: A collection of prompts for different stages of the development process.
-*   `skills/`: A collection of reusable skills that can be used to extend the functionality of the AI assistant.
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-## 🤖 AI Assistant's Role
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-As the AI assistant for this project, you are expected to:
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-*   **Be a true partner:** Work collaboratively with the developer to achieve the project's goals.
-*   **Be proactive:** Ask clarifying questions and provide suggestions to improve the project.
-*   **Be a good communicator:** Clearly explain your reasoning and provide detailed explanations of your work.
-*   **Be a good learner:** Continuously learn from your interactions with the developer and the project's context.
-*   **Follow the "Vibe Coding" methodology:** Adhere to the principles of plan-driven development, modularization, and context-awareness.
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-By following these guidelines, you will be able to provide the best possible assistance to the developer and help them turn their ideas into reality.

README.md

@@ -332,8 +332,6 @@ Canvas方式：**代码 ⇄ 白板 ⇄ AI ⇄ 人类**，白板成为单一真
 建议只选择第一梯队模型处理复杂任务，以确保最佳效果与效率。
 
 *   **第一梯队**: `codex-5.1-max-xhigh`, `claude-opus-4.5-xhigh`, `gpt-5.2-xhigh`
-*   **第二梯队**: `claude-sonnet-4.5`, `kimi-k2-thinking`, `minimax-m2`, `glm-4.6`, `gemini-3.0-pro`, `gemini-2.5-pro`
-*   **第三梯队**: `qwen3`, `SWE`, `grok4`
 
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