Try to improve the org sync strategy

Save org files upon changing todo state, but use a timer to prevent
saving too many times when (e.g.) cycling through todo states.

global.org

@@ -1404,6 +1404,17 @@
 
       (add-hook 'auto-save-hook 'org-save-all-org-buffers-except-current)
     #+end_src
+    Also, we need to trigger saving once the state changes, so that we
+    are always able to sync the right state; saving runs with a timer
+    so that it is not triggered e.g. when cycling through states.  The
+    problem with the current implementation is that we do not know
+    which buffer has been modified if the state has been changed using
+    the agenda, which is kind of the point…
+    #+begin_src emacs-lisp
+      (add-hook 'org-after-todo-state-change-hook
+                (lambda ()
+                  (when buffer-file-name (save-buffer-with-timer 5))))
+    #+end_src
 *** Reverting stuff from orgzly
     #+begin_src emacs-lisp
       (defun org-revert-all-orgzly-buffers (&optional ALL)