v0.1.0-rc.1

OpenBook RSS Reader dsh plugin — first release candidate.

• RSS tab in the conversation view ring (three-column reader, notes, status)
• Sidebar go-to-RSS shortcut
• Ambient article awareness + discuss-into-chat (总结/翻译/提取要点)
• rss/sync conversation nodes, agent tools, chat commands
• Install with: dsh plugin add https://github.com/rocklau/dsh-rss-reader/releases/download/v0.1.0-rc.1/openbook-dsh-rss-reader-0.1.0-rc.1.tgz