config: minimal dirvish attributes for VoiceOver

Remove file-time and file-size from default dirvish-attributes so
screen reader reads only filenames.  Add D keybinding to toggle
full details on/off in dirvish buffers.

config.el

@@ -884,9 +884,23 @@ Skip for beamer exports — beamer uses adjustbox on plain tabular."
   :init (dirvish-override-dired-mode)
   :config
   (setq dirvish-mode-line-format '(:left (sort symlink) :right (omit yank index))
-        dirvish-attributes '(vc-state subtree-state nerd-icons collapse git-msg file-time file-size)
+        ;; Minimal attributes for VoiceOver: no file-time/file-size by
+        ;; default so screen reader reads only filenames.  Toggle full
+        ;; details with "D" in dirvish buffers.
+        dirvish-attributes '(vc-state subtree-state nerd-icons collapse git-msg)
         dirvish-side-width 35)
+  (defun my/dirvish-toggle-details ()
+    "Toggle file-time and file-size dirvish attributes."
+    (interactive)
+    (if (memq 'file-size dirvish-attributes)
+        (setq-local dirvish-attributes
+                    (seq-remove (lambda (a) (memq a '(file-time file-size)))
+                                dirvish-attributes))
+      (setq-local dirvish-attributes
+                  (append dirvish-attributes '(file-time file-size))))
+    (revert-buffer))
   (map! :map dirvish-mode-map
+        :n "D" #'my/dirvish-toggle-details
         :n "q" #'dirvish-quit
         :n "h" #'dired-up-directory
         :n "l" #'dired-find-file