Bug Description

When I set config.diff_opts.open_in_current_tab = false, I expect diff to open in a new tab, but this setting doesn't make any difference - the diff always opens in the current tab.

To Reproduce

Try to set the option to different values and make a diff pop up.

Expected Behavior

With config.diff_opts.open_in_current_tab = false, two diff buffers should pop up in a new tab.

Environment

• Neovim version: v0.11.2
• Claude Code CLI version: 1.0.58
• OS: macOS 15.5
• Plugin version: "claudecode.nvim": { "branch": "main", "commit": "91357d810ccf92f6169f3754436901c6ff5237ec" }