improvement to kitty support

base/zeesh.zsh

@@ -7,11 +7,19 @@ fi
 setopt prompt_subst
 
 kitty_available=n
+# detection method one
 if (( ${+KITTY_SHELL_INTEGRATION} )); then
-    kitty_available=y
     [[ "$KITTY_SHELL_INTEGRATION" == "disabled" ]] && return # don't integrate if configured not to
     autoload -Uz -- "${KITTY_INSTALLATION_DIR}/shell-integration/zsh/kitty-integration"
     kitty-integration && unfunction kitty-integration
+    kitty_available=y
+fi
+# detection method two
+if [[ $kitty_available == n && -n "$KITTY_INSTALLATION_DIR" ]]; then
+    export KITTY_SHELL_INTEGRATION=${ZEESH_KITTY_INTEGRATION:-enabled}
+    autoload -Uz -- "${KITTY_INSTALLATION_DIR}/shell-integration/zsh/kitty-integration"
+    kitty-integration && unfunction kitty-integration
+    kitty_available=y
 fi
 
 function ticker_message () {