Refactor minibuffer bindings

+ conform their function names to naming conventions
+ place ivy-specific version in ivy autoloads

modules/completion/ivy/autoload/ivy.el

@@ -228,3 +228,13 @@ counsel-rg)."
   (when (doom-popup-p)
     (doom/popup-close))
   (ivy-resume))
+
+;;;###autoload
+(defun +ivy/backward-kill-word ()
+  "Kill a word backwards, but only if cursor is after `minibuffer-prompt-end',
+to prevent the 'Text is read-only' warning from monopolizing the minibuffer."
+  (interactive)
+  (call-interactively
+   (if (> (point) (minibuffer-prompt-end))
+       #'backward-kill-word
+     #'ivy-backward-delete-char)))