v1.2.0

Added

• Chinese (zh-CN) documentation for the project site, covering all guides, references, and about pages.
• Demo badge next to the brand heading when the dashboard is running in demo mode.
• Docs link in the site header navigation.

Fixed

• Escape backslashes in GitHub Actions step summary table cells so Markdown renders correctly.

Changed

• Use colored logo in the project site instead of monochrome.