my zsh shell

# Enable color support
autoload -U colors && colors

# Set the prompt
PROMPT='%F{white}╰─λ %F{white}'
RPROMPT=''

# Function to calculate command execution time
precmd() {
  elapsed_time=$(( ($(date +%s%3N) - cmd_start_time) ))
  PS1="%F{red}╭─%n@%m %F{magenta}%~ took ${elapsed_time}ms
%F{white}╰─λ %F{white}"
}

preexec() {
  cmd_start_time=$(date +%s%3N)
}

# Enable auto-correction
setopt CORRECT

# Enable command auto-completion
autoload -U compinit && compinit

# Enable extended globbing and regular expressions
setopt EXTENDED_GLOB

# History settings
HISTFILE=~/.zsh_history
HISTSIZE=1000
SAVEHIST=1000
setopt APPEND_HISTORY
setopt INC_APPEND_HISTORY
setopt SHARE_HISTORY
setopt HIST_IGNORE_ALL_DUPS
setopt HIST_FIND_NO_DUPS

# Aliases
alias ll='ls -lah'
alias ..='cd ..'
alias ...='cd ../..'

# Load custom scripts if they exist
if [ -d "$HOME/.zshrc.d" ]; then
  for file in "$HOME/.zshrc.d"/*.zsh; do
    [ -r "$file" ] && source "$file"
  done
fi