Bug: `No module named 'fcntl'` on Windows

[antsehe-dev]

Bug: No module named 'fcntl' on Windows

Environment

• OS: Windows
• Shell: PowerShell
• CodeWiki version: latest (installed via pip install git+https://github.com/FSoft-AI4Code/CodeWiki.git)
• Python version: (add yours with python --version)

Steps to reproduce

1. Install CodeWiki on Windows
2. Configure with codewiki config set --provider claude-code --main-model claude-sonnet-4-6 --cluster-model claude-sonnet-4-6
3. Navigate to a local repository
4. Run codewiki generate

Expected behavior
Documentation is generated successfully.

Actual behavior
The process fails at step [1/5] Dependency Analysis with the following error:

[lvxiang15]

依赖包 caw 的 storage.py 顶层 import fcntl,只用于 JsonlWriter.append 里的文件锁(第 29 行 fcntl.flock)。fcntl 是 POSIX 专有,Windows 上根本没有,所以模块一加载就崩。
让AI修复一下就好了