fix(prompt): restore cursor visibility on every prompt

Emit \e[?25h in precmd to fix hidden cursor after abrupt SSH
disconnects or interrupted TUI applications.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

home/.zsh/prompt.zsh

@@ -243,6 +243,7 @@ _dots_preexec() {
 
 _dots_precmd() {
     local e=$? d=0
+    printf '\e[?25h'
     # Only show exit code if a command actually ran
     (( _dots_prompt_cmd_ran )) || e=0
     _dots_prompt_cmd_ran=0