Add event listener cleanup to prevent memory leaks

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

src/components/Discover/Conformance/ConformanceSidebar/ConformanceSelectResult.vue

@@ -41,7 +41,7 @@
  *   scrollable display of check results.
  */
 
-import { reactive, computed } from 'vue';
+import { reactive, computed, onBeforeUnmount } from 'vue';
 import { storeToRefs } from 'pinia';
 import { useConformanceStore } from '@/stores/conformance';
 import emitter from '@/utils/emitter';
@@ -265,6 +265,17 @@ emitter.on('isRadioActSeqMoreChange', (data) => {
 emitter.on('isRadioActSeqFromToChange', (data) => {
   if(data) reset();
 });
+
+onBeforeUnmount(() => {
+  emitter.off('actListData');
+  emitter.off('actRadioData');
+  emitter.off('getListSequence');
+  emitter.off('reset');
+  emitter.off('isRadioChange');
+  emitter.off('isRadioProcessScopeChange');
+  emitter.off('isRadioActSeqMoreChange');
+  emitter.off('isRadioActSeqFromToChange');
+});
 </script>
 <style scoped>
 :deep(.disc) {