Summary: SeaArt adds 'Agent Canvas' feature

Why It Matters: SeaArt added a new tool for creating AI art. This could give users more ways to make things.

What Changed:

• A new menu item "Agent Canvas" was added under the "Create" section.
• The "Agent Canvas" link points to https://seaart.ai/agent-canvas.
• A large amount of content was removed from the end of the page, including testimonials and app download links.