v6.2.0a1

What's Changed

• fix(chatbook): resolve @ mentions followed by punctuation or naming paths with spaces by @pjdoland in #505
• feat(chatbook): add Convert to Chatbook for ordinary notebooks by @pjdoland in #508
• fix(chatbook): keep the code of code cells switched to natural language on export by @pjdoland in #510

Full Changelog: v6.1.0...v6.2.0a1