fix(i18n): retain historical checklist text for unknown system keys

job-tracker-ui/src/applicationWorkspace.ts

@@ -1,4 +1,5 @@
 import { api } from "./api";
+import { translations } from "./i18n/translations";
 
 // Mirrors WorkspaceOverviewDto. Read-only aggregate — the workspace owns no data.
 export type WorkspaceCv = {
@@ -93,7 +94,9 @@ export const WORKSPACE_SECTIONS: { key: WorkspaceSectionKey; label: string }[] =
 
 export function checklistSystemTranslationToken(systemKey?: string | null): string | null {
   if (!systemKey || systemKey.startsWith("learning:")) return null;
-  return systemKey.replace(/-([a-z])/g, (_, letter: string) => letter.toUpperCase());
+  const token = systemKey.replace(/-([a-z])/g, (_, letter: string) => letter.toUpperCase());
+  return Object.hasOwn(translations.en, `checklistItem_${token}`)
+    && Object.hasOwn(translations.en, `checklistItem_${token}Description`) ? token : null;
 }
 
 const LEGACY_WORKSPACE_SECTIONS: Record<string, WorkspaceSectionKey> = {