messagesMove is now an optional permission. see #231

_locales/en/messages.json

@@ -1052,7 +1052,7 @@
     "description": ""
   },
   "prefs_OptionText_spamfilter": {
-    "message": "Spam Filter",
+    "message": "Automatic Spam Filter",
     "description": ""
   },
   "prefs_OptionText_spamfilter_Info": {

manifest.json

@@ -36,6 +36,9 @@
         "messagesUpdate",
         "https://*.chatgpt.com/*"
     ],
+    "optional_permissions": [
+        "messagesMove"
+    ],
     "background": {
         "page": "mzta-background.html"
     },

options/mzta-options.js

@@ -307,6 +307,16 @@ document.addEventListener('DOMContentLoaded', async () => {
   let spamfilter_el = document.getElementById('spamfilter');
   let spamfilter_info_btn = document.getElementById('btnManageSpamFilterInfo');
   spamfilter_el.addEventListener('click', (event) => {
+    async function _spamfilter_el_change() {
+      if (event.target.checked) {
+        const granted = await messenger.permissions.request({ permissions: ["messagesMove"] });
+        if (!granted) {
+          event.target.checked = false;
+          spamfilter_info_btn.disabled = 'disabled';
+        }
+      }
+    }
+    _spamfilter_el_change();
     spamfilter_info_btn.disabled = event.target.checked ? '' : 'disabled';
   });
   spamfilter_info_btn.disabled = spamfilter_el.checked ? '' : 'disabled';