feat(waf): ausgeschlossene Regeln grün + Bereits-Ausnahme-Tag — v1.2.84

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

management-ui/src/i18n/locales/en/common.json

@@ -1833,7 +1833,8 @@
       "noDomain": "Domain not found — configure exception manually.",
       "exceptionModalTitle": "Add exception for rule {{rule}}",
       "exceptionModalHint": "Optional: describe why this rule is a false positive for this domain.",
-      "exceptionNotePlaceholder": "e.g. Our custom API uses non-standard headers that trigger this rule."
+      "exceptionNotePlaceholder": "e.g. Our custom API uses non-standard headers that trigger this rule.",
+      "alreadyExcluded": "Already excluded"
     }
   }
 }