rework vehicle handling

frontend/src/pages/FahrzeugDetail.tsx

@@ -35,9 +35,11 @@ import {
   Edit,
   Error as ErrorIcon,
   LocalFireDepartment,
+  MoreHoriz,
   PauseCircle,
   ReportProblem,
   School,
+  Verified,
   Warning,
 } from '@mui/icons-material';
 import { useNavigate, useParams } from 'react-router-dom';
@@ -303,10 +305,9 @@ interface WartungTabProps {
 }
 
 const WARTUNG_ART_ICONS: Record<string, React.ReactElement> = {
-  Kraftstoff:        <LocalFireDepartment color="action" />,
-  Reparatur:         <Build color="warning" />,
-  Inspektion:        <Assignment color="primary" />,
-  Hauptuntersuchung: <CheckCircle color="success" />,
+  '§57a Prüfung':    <Verified color="success" />,
+  'Service':         <Build color="warning" />,
+  'Sonstiges':       <MoreHoriz color="action" />,
   default:           <Build color="action" />,
 };
 
@@ -417,7 +418,7 @@ const WartungTab: React.FC<WartungTabProps> = ({ fahrzeugId, wartungslog, onAdde
                   onChange={(e) => setForm((f) => ({ ...f, art: (e.target.value || undefined) as WartungslogArt | undefined }))}
                 >
                   <MenuItem value="">— Bitte wählen —</MenuItem>
-                  {(['Inspektion', 'Reparatur', 'Kraftstoff', 'Reifenwechsel', 'Hauptuntersuchung', 'Reinigung', 'Sonstiges'] as WartungslogArt[]).map((a) => (
+                  {(['§57a Prüfung', 'Service', 'Sonstiges'] as WartungslogArt[]).map((a) => (
                     <MenuItem key={a} value={a}>{a}</MenuItem>
                   ))}
                 </Select>