[BUG] claude code starts cursor ide

Environment

• Platform (select one):

• Claude CLI version: 1.0.30
• Operating System: NixOS
• Terminal: kitty, alacritty, xterm

Bug Description

When I start claude via the command line, it opens claude, and gives me the prompt as expected. However, it always launches cursor the IDE on a new window. I have no idea why it does that. I currently use cursor. This happen within any directory I am starting claude from

Steps to Reproduce

1. Open a terminal.
2. Start claude
3. Claude starts in a terminal, opens Cursor in a new window

Expected Behavior

Claude code starts in the terminal and waits for user input.

Actual Behavior

Cursor is opened in the background, focus switches to it.

Additional Context

I tried installing cursor via npm, via migration, and through nix package manager. Behavior is the same. I also deleted ~/.claude.json and ~/.claude directory.