l10n(ar): update Arabic localization

Currently translated at 100.0% (148 of 148 strings)

Translation: TW Power Tools/Extension strings (JSON format)
Translate-URL: https://i18n.avm99963.com/projects/tw-power-tools/extension-strings-json-format/ar/
Change-Id: Id4bc11bb42459945ac04946da11302089442b375
diff --git a/src/static/_locales/ar/messages.json b/src/static/_locales/ar/messages.json
index 2c84a8f..d3ee41a 100644
--- a/src/static/_locales/ar/messages.json
+++ b/src/static/_locales/ar/messages.json
@@ -612,5 +612,13 @@
     "inject_perforumstats_chart_communityguides": {
         "message": "أدلّة المنتدى",
         "description": "Label shown in the legend of the per-forum activity chart."
+    },
+    "inject_extrainfo_message_state_awaiting_classification": {
+        "message": "بانتظار التّصنيف",
+        "description": "Thread/message state AWAITING_CLASSIFICATION."
+    },
+    "inject_extrainfo_message_state_generated_answer_adopted": {
+        "message": "تمّ اعتماد الإجابة المُولَّدة",
+        "description": "Thread/message state GENERATED_ANSWER_ADOPTED."
     }
 }