Start Emacs daemon on shell init for instant emacsclient

Daemon starts in the background when a new shell opens so 'e' always
connects to an existing server rather than launching a new instance.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

shared/.zshrc

@@ -45,6 +45,11 @@ eval "$(keychain --eval --quiet github git)"
 # direnv hook
 eval "$(direnv hook zsh)"
 
+# Start Emacs daemon if not already running
+if ! emacsclient -e nil &>/dev/null; then
+  emacs --daemon &>/dev/null &
+fi
+
 echo -ne '\e[1 q'
 
 export NVM_DIR="$HOME/.nvm"