Bug Description

the claude window shows I'm selecting lines:

but :'<,'>ClaudeCodeSend gives a warning:

To Reproduce

Steps to reproduce the behavior:

Select a few lines then do :'<,'>ClaudeCodeSend.

Expected Behavior

The behavior shown in the demo.

Environment

• Neovim version:
  NVIM v0.11.0-dev-1664+ge71d2c817d
• Claude Code CLI version: 1.0.17
• OS: macOS 14.5
• Plugin version: commit c1cdcd5