chore: 添加 Claude Code 配置和发布技能

[HellowVirgil]

Description

添加 CLAUDE.md 项目概述文档，包含架构说明和开发命令
添加 release.md 正式版本发布指南
添加 release-snapshot.md 测试版本发布指南

Type of Change

Please mark the type of change:

• Bug fix
• New feature
• Documentation update
• Code refactoring
• Other (please describe):

Related Issues

Please list any issues related to this pull request (e.g., Fixes #123, Closes #456).

Testing

Please describe the tests that were performed to verify your changes. Include details about the testing framework, if applicable.

• Unit tests
• Integration tests
• Manual testing

Checklist

• My code follows the project’s coding style.
• I have updated the documentation as necessary.
• I have added tests to cover my changes.
• All new and existing tests pass.
• My changes require a change to the documentation.

Additional Notes

If you have any additional notes, like any important context for reviewers, or if there are things that are outside the scope of this pull request, please include them here.