When Edge/Chrome is already running, a new instance with --remote-debugging-port
joins the existing process instead of starting CDP. Using a dedicated profile dir
forces a separate process. Also retry CDP port check up to 6 seconds.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Flat indexed UI element list with numeric IDs and center coordinates
- Screenshot annotations: numbered colored boxes (Set of Marks)
- click_element resolves by index from cached element list
- Cursor crosshair + focused element highlight in screenshots
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
