Update issue templates

.github/ISSUE_TEMPLATE/feature-request.md

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+---
+name: Feature Request
+about: Suggest an idea or enhancement for CodexMCP
+title: "[Feature] "
+labels: enhancement
+assignees: GuDaStudio
+
+---
+
+## Feature Summary / 功能概述
+A clear and concise description of the feature you'd like to see.
+清晰简洁地描述您希望看到的功能。
+
+## Problem / Motivation / 问题背景
+Describe the problem or limitation that this feature would address.
+描述此功能将解决的问题或限制。
+
+**Is your feature request related to a problem?**
+**您的功能请求是否与某个问题相关？**
+
+Example: "I'm always frustrated when [...]"
+例如："当 [...] 时，我总是感到困扰"
+
+## Proposed Solution / 建议方案
+Describe how you envision the feature working.
+描述您设想的功能运作方式。
+
+## Alternatives Considered / 其他方案
+Describe any alternative solutions or features you've considered.
+描述您考虑过的任何替代方案或功能。
+
+## Use Case / 使用场景
+Provide examples of how this feature would be used.
+提供此功能的使用示例。
+
+```
+Example workflow or code snippet here
+示例工作流程或代码片段
+```
+
+## Environment (if relevant) / 运行环境（如相关）
+- **OS**: e.g., Ubuntu 22.04 / macOS 14.0 / Windows 11 / WSL2 ...
+- **CodexMCP Version**:
+- **Claude Code Version**: run `claude --version`
+- **Codex CLI Version**: run `codex --version`
+
+## Additional Context / 其他信息
+Any other context, mockups, or screenshots about the feature request.
+关于此功能请求的其他背景信息、原型图或截图。