ci: rename preview PDF output from latest.pdf to oc_guide.pdf

Improve wording clarity and typography

Fix Mermaid line break syntax

Improve readability and fix contradictions

Fix Mermaid line breaks and Chinese quotes

Update cross-reference links to GitBook

Update Claude 4.6 context window to GA

Align dashboard references

Update dashboard navigation

Clarify workspace file semantics

Remove npm wrapper

Refresh OpenClaw docs

清理 package 构建配置文件

更新 Claude 生态信息与移除退役模型引用

完善OpenClaw入门指南文档内容