[BUG] Copy pasting justifies left needlessly

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Copy pasting any text for some reason doesnt maintain the formatting, but seems to justify left:

Original code written by claude:

────────────────────────────────────────────────────────────────────────────────────────────────────────────────
 Create file
 test-013030.py
╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
 #!/usr/bin/env python3
 """
 AUTOBF workflow test utility
 """

 def test_output():
     """
     Generate consistent test output for validation
     #REJECT ME!
     """
     return "AUTOBF Test Output v1.0"

 if __name__ == "__main__":
     print(test_output())

╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
 Do you want to create test-013030.py?
 ❯ 1. Yes
   2. Yes, allow all edits during this session (shift+Tab)
   3. No

How it gets pasted into claude

 ────────────────────────────────────────────────────────────────────────────────────────────────────────────────
  Create file
  test-013030.py
  ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
  #!/usr/bin/env python3
  """
  AUTOBF workflow test utility
  """

  def test_output():
  """
  Generate consistent test output for validation
  #REJECT ME!
  """
  return "AUTOBF Test Output v1.0"

  if __name__ == "__main__":
  print(test_output())

  ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌
  Do you want to create test-013030.py?
  ❯ 1. Yes
  2. Yes, allow all edits during this session (shift+Tab)
  3. No

Why not just maintain the original formatting so claude doesnt get confused over indenting?

What Should Happen?

Claude should maintain the source formatting

Error Messages/Logs

Feedback ID: 39525737-0634-4981-8b73-20926cb06f26

Steps to Reproduce

Copy paste anything into claude and it will justify left.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.1.22

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

WSL (Windows Subsystem for Linux)

Additional Information

_No response_