Revert "feat: change from emacs mode to vi mode"

This reverts commit 0e2029550e908a00794423cf3111aab84b024e7d.

zsh/rc

@@ -30,34 +30,8 @@ setopt HIST_REDUCE_BLANKS
 setopt HIST_VERIFY
 setopt INC_APPEND_HISTORY_TIME
 
-###########
-# Vi mode #
-###########
-
-bindkey -v
-export KEYTIMEOUT=1  # Reduce ESC delay to 10ms
-bindkey -v '^?' backward-delete-char  # Make backspace work in vi insert mode
-bindkey -v '^H' backward-delete-char  # Alternative backspace binding
-bindkey -a '_' vi-first-non-blank
-
-# Selection highlight
-# shellcheck disable=SC2034
-zle_highlight=(region:bg=#323641)
-
-# Change cursor shape based on vi mode
-function zle-keymap-select {
-    if [[ ${KEYMAP} == main ]]; then
-        echo -ne '\e[5 q'  # Beam cursor for insert mode
-    elif [[ ${KEYMAP} == vicmd ]]; then
-        echo -ne '\e[1 q'  # Block cursor for command mode
-    fi
-}
-zle -N zle-keymap-select
-
-function zle-line-init {
-    echo -ne '\e[5 q'  # Beam cursor for insert mode
-}
-zle -N zle-line-init
+# Emacs mode
+bindkey -e
 
 ###################
 # Shell Variables #