2.7.12

• xAI SDK upgraded to v1.6.1.
• Added video generation support in xAI provider.
• Added new models: grok-imagine-image and grok-imagine-video.
• UI improvements and smoother navigation between tabs and columns.
• Optimized adding attachments. Added options to attach an attachment only once (if the API stores messages on its side), and an option to force attaching an attachment only once.
• Updated libraries.