Summary: Cursor updates AI agent demo status and models

Why It Matters: The changes show how the product handles complex tasks. It also shows they are keeping their model list current with the latest AI technology.

What Changed:

• The "In Progress" task count in the demo increased from 2 to 3.
• Added "Reading docs" as a new status step for the landing page builder.
• Updated the model selection list to include GPT-5.2 and Opus 4.6.
• Changed the "Ready for Review" count from 4 to 3 in the interface preview.
• Simplified the text describing how the agent greps for code.