Shell Configs

.zshrc

```zsh
# ~/.zshrc - Cleaned & Optimized

# Command execution time printed RIGHT-ALIGNED between prompts (seconds with ms precision)

# -------------------------------------------------
# 0. REQUIRED MODULES
# -------------------------------------------------
# Needed for $EPOCHREALTIME
zmodload zsh/datetime

# -------------------------------------------------
# 1. OPTIONS & SHELL BEHAVIOR
# -------------------------------------------------
setopt autocd
setopt interactivecomments
setopt magicequalsubst
setopt nonomatch
setopt notify
setopt numericglobsort
setopt promptsubst

WORDCHARS='_-'
PROMPT_EOL_MARK=""

# -------------------------------------------------
# 2. KEYBINDINGS
# -------------------------------------------------
bindkey -e
bindkey ' ' magic-space
bindkey '^U' backward-kill-line
bindkey '^[[3;5~' kill-word
bindkey '^[[3~' delete-char
bindkey '^[[1;5C' forward-word
bindkey '^[[1;5D' backward-word
bindkey '^[[H' beginning-of-line
bindkey '^[[F' end-of-line
bindkey '^[[Z' undo

# -------------------------------------------------
# 3. COMPLETION SYSTEM
# -------------------------------------------------
autoload -Uz compinit
compinit -d ~/.cache/zcompdump

zstyle ':completion:*' menu select
zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}'
zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"

# -------------------------------------------------
# 4. HISTORY
# -------------------------------------------------
HISTFILE=~/.zsh_history
HISTSIZE=1000
SAVEHIST=2000

setopt hist_expire_dups_first
setopt hist_ignore_dups
setopt hist_ignore_space
setopt hist_verify

alias history="history 0"

# -------------------------------------------------
# 5. EXECUTION TIMER (seconds, ms precision)
# -------------------------------------------------
preexec() {
    _cmd_start_time=$EPOCHREALTIME

    # full command line is in $1
    case "$1" in
        clear|reset)
            _skip_timer=1
            ;;
        *)
            _skip_timer=0
            ;;
    esac
}

# -------------------------------------------------
# 6. TERMINAL TITLE
# -------------------------------------------------
case "$TERM" in
    xterm*|rxvt*|gnome*|alacritty)
        TERM_TITLE=$'\e]0;%n: %~\a'
        ;;
esac

# -------------------------------------------------
# 7. PRECMD (RIGHT-ALIGNED TIMER OUTPUT)
# -------------------------------------------------
precmd() {
    print -Pnr -- "$TERM_TITLE"

    [[ -n "$_cmd_start_time" ]] || return
    (( _skip_timer )) && { unset _cmd_start_time _skip_timer; return; }

    local elapsed=$(( EPOCHREALTIME - _cmd_start_time ))
    unset _cmd_start_time _skip_timer

    # Format: x.xxx s
    local msg
    printf -v msg "⏱  %.3f s" "$elapsed"

    local cols=${COLUMNS:-$(tput cols 2>/dev/null)}
    local pad=$(( cols - ${#msg} ))
    (( pad < 1 )) && pad=1

    printf "%*s" "$pad" ""
    print -P "%F{240}${msg}%f"
}

# -------------------------------------------------
# 8. PROMPT CONFIGURATION
# -------------------------------------------------

virtualenv_info() {
    [[ -n "$VIRTUAL_ENV" ]] && echo "%F{yellow}($(basename $VIRTUAL_ENV))%f "
}

configure_prompt() {
    case "$PROMPT_ALTERNATIVE" in
        twoline)
            
PROMPT=$'%F{%(#.blue.green)}┌──(%B%F{%(#.red.blue)}%n%b%F{%(#.blue.green)})-[%B%F{reset}%(6~.%-1~/…/%4~.%5~)%b%F{%(#.blue.green)}]\PROMPT=$'%F{%(#.blue.green)}┌──(%B%F{%(#.red.blue)}%n%b%F{%(#.blue.green)})-[%B%F{reset}%(6~.%-1~/…/%4~.%5~)%b%F{%(#.ble.green)}]\n└─$(virtualenv_info)%B%(#.%F{red}#.%F{blue}$)%b%F{reset} '
            ;;
        oneline)
            PROMPT=$'%B%F{%(#.red.blue)}%n%b%F{reset}:%B%F{%(#.blue.green)}%~%b%F{reset} $(virtualenv_info)%(#.#.$) '
            ;;
    esac
}
PROMPT_ALTERNATIVE=twoline

configure_prompt

# -------------------------------------------------
# 9. EXTERNAL PLUGINS
# -------------------------------------------------
if [[ -f /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh ]]; then
    source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
fi

if [[ -f /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh ]]; then
    source /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh
    ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=#999'
fi

# -------------------------------------------------
# 10. ALIASES
# -------------------------------------------------
alias ls='ls --color=auto'
alias ll='ls -l'
alias la='ls -A'
alias grep='grep --color=auto'

# -------------------------------------------------
# 11. PROMPT TOGGLE (Ctrl+P)
# -------------------------------------------------
toggle_oneline_prompt() {
    if [[ "$PROMPT_ALTERNATIVE" = oneline ]]; then
        PROMPT_ALTERNATIVE=twoline
    else
        PROMPT_ALTERNATIVE=oneline
    fi
    configure_prompt
    zle reset-prompt
}

zle -N toggle_oneline_prompt
bindkey ^P toggle_oneline_prompt

# -------------------------------------------------
# GENERIC PATHS AND ENVIRONMENT VARIABLES
# -------------------------------------------------
export PATH="$(npm config get prefix)/bin:$PATH"
. "$HOME/.local/bin/env"

```