Update prompt to truncate directory in worktree

prompt_fresh_setup

@@ -79,6 +79,17 @@ fresh_line_one() {
   # Check we are in a git repository
   local git=`${XDG_CACHE_HOME:-$HOME/.cache}/zsh/git-prompt`
 
+  # Truncate branch name from directory when already shown (e.g., worktrees)
+  if [[ -n "$git" ]] && [[ -z $SANDBOX_HOME ]]; then
+    local branch_name=$(git symbolic-ref --short HEAD 2>/dev/null)
+    if [[ -n "$branch_name" ]]; then
+      local dir=${(%):-%~}
+      if [[ "$dir" == *"@${branch_name}"* ]]; then
+        directory="%{%F{37}%}${dir/@${branch_name}/@}%{%f%}"
+      fi
+    fi
+  fi
+
   # If the last command failed, display its error code at the right
   if [[ $exit_code -ne 0 ]]; then
     case $exit_code in