fix(web): 修正 HealthBanner 中扫描感知的术语措辞

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

web/src/components/system/HealthBanner.vue

@@ -23,7 +23,7 @@ const titleFor = (issue: HealthIssue): string => {
     case 'database:stat':
       return $gettext('Website statistics database write failed, statistics may be inaccurate')
     case 'database:scan':
-      return $gettext('Scan events database write failed, situation awareness may be inaccurate')
+      return $gettext('Scan events database write failed, scan awareness may be inaccurate')
     default:
       return $gettext('Panel encountered a fault: %{key}', { key: issue.key })
   }