[BUG] Cmd+Click on links no longer opens browser in macOS Terminal.app

Description

Cmd+Click on links in Claude Code output no longer opens the browser. This previously worked and appears to be a regression.

Environment

• Claude Code version: 2.1.63
• Terminal: macOS Terminal.app (Darwin 25.3.0)
• Platform: macOS
• keybindings.json: default + shift+enter: chat:newline

Steps to Reproduce

1. Run Claude Code in macOS Terminal.app
2. Have Claude output a URL (e.g., a GitHub issue link)
3. Cmd+Click on the link
4. Expected: browser opens the URL
5. Actual: nothing happens

Notes

• This worked in previous versions of Claude Code
• Works fine in iTerm2 v3.6.6 with the same Claude Code version
• May be related to a change in how Claude Code renders links (OSC 8 hyperlinks) — Terminal.app may not support OSC 8

— Claude Code (Opus 4.6)