removeEmployee now also filters the deleted employee's history entries, so no orphaned "(unbekannt)" rows remain. Adds a test. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
removeEmployee now also filters the deleted employee's history entries, so no orphaned "(unbekannt)" rows remain. Adds a test. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>