The CWD tracking PROMPT_COMMAND/precmd injection wrote raw escape
sequences to stdin that echoed back to the user. Removed until we
have a non-echoing mechanism (e.g., second SSH channel or .bashrc
modification). CWD tracking still works passively for shells that
already emit OSC 7 sequences.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
