fix(mitglieder): improve Fahrgenehmigungen labels, pagination, and AT20 sync

backend/src/routes/admin.routes.ts

@@ -20,6 +20,7 @@ import { requirePermission } from '../middleware/rbac.middleware';
 import { auditExport } from '../middleware/audit.middleware';
 import auditService, { AuditAction, AuditResourceType, AuditFilters } from '../services/audit.service';
 import cleanupService from '../services/cleanup.service';
+import atemschutzService from '../services/atemschutz.service';
 import userService from '../services/user.service';
 import pool from '../config/database';
 import logger from '../utils/logger';
@@ -207,6 +208,10 @@ router.post(
     try {
       const response = await axios.post(`${FDISK_SYNC_URL}/trigger`, req.body, { timeout: 5000 });
       res.json({ success: true, data: response.data });
+      // Fire-and-forget: sync AT20 courses to atemschutz_traeger after FDISK data is written
+      atemschutzService.syncLehrgangFromKurse().catch(err =>
+        logger.error('AT20 Atemschutz-Sync fehlgeschlagen', { error: err })
+      );
     } catch (err: unknown) {
       if (axios.isAxiosError(err) && err.response?.status === 409) {
         res.status(409).json({ success: false, message: 'Sync already in progress' });

backend/src/services/atemschutz.service.ts

@@ -216,6 +216,40 @@ class AtemschutzService {
     }
   }
 
+  // =========================================================================
+  // SYNC LEHRGANG FROM FDISK COURSES (AT20)
+  // =========================================================================
+
+  /**
+   * Scans the ausbildung table for AT20 courses with erfolgscode = 'mit Erfolg'
+   * and upserts atemschutz_traeger records accordingly:
+   *   - No record: creates one with atemschutz_lehrgang=true + lehrgang_datum
+   *   - Record exists, lehrgang false: sets lehrgang=true + date (if unset)
+   *   - Record exists, lehrgang already true: no-op (preserves manual data)
+   */
+  async syncLehrgangFromKurse(): Promise<{ processed: number }> {
+    try {
+      const result = await pool.query(`
+        INSERT INTO atemschutz_traeger (id, user_id, atemschutz_lehrgang, lehrgang_datum)
+        SELECT uuid_generate_v4(), a.user_id, true, MIN(a.kurs_datum)
+        FROM ausbildung a
+        WHERE a.kurs_kurzbezeichnung = 'AT20'
+          AND a.erfolgscode = 'mit Erfolg'
+        GROUP BY a.user_id
+        ON CONFLICT (user_id) DO UPDATE
+          SET atemschutz_lehrgang = true,
+              lehrgang_datum = COALESCE(atemschutz_traeger.lehrgang_datum, EXCLUDED.lehrgang_datum),
+              updated_at = NOW()
+      `);
+      const processed = result.rowCount ?? 0;
+      logger.info('AT20 Atemschutz-Sync abgeschlossen', { processed });
+      return { processed };
+    } catch (error) {
+      logger.error('AtemschutzService.syncLehrgangFromKurse fehlgeschlagen', { error });
+      throw new Error('AT20 Atemschutz-Sync fehlgeschlagen');
+    }
+  }
+
   // =========================================================================
   // EXPIRING CERTIFICATIONS
   // =========================================================================

frontend/src/pages/BuchhaltungTransaktionForm.tsx

@@ -245,7 +245,7 @@ export default function BuchhaltungTransaktionForm() {
                     <Select
                       value={form.konto_id ?? ''}
                       label="Konto (Topf)"
-                      onChange={e => setForm(f => ({ ...f, konto_id: e.target.value ? Number(e.target.value) : null, ausgaben_typ: null }))}
+                      onChange={e => setForm(f => ({ ...f, konto_id: e.target.value ? Number(e.target.value) : null }))}
                     >
                       <MenuItem value=""><em>Kein Konto</em></MenuItem>
                       {konten.map(k => (

frontend/src/pages/MitgliedDetail.tsx

@@ -1265,20 +1265,22 @@ function MitgliedDetail() {
                         <Typography variant="body2" fontWeight={500}>
                           {f.klasse}
                         </Typography>
-                        <Typography variant="caption" color="text.secondary">
+                        <Box sx={{ display: 'flex', gap: 2 }}>
-                          {f.ausstellungsdatum ? new Date(f.ausstellungsdatum).toLocaleDateString('de-AT') : '—'}
+                          <Typography variant="caption" color="text.secondary">
-                        </Typography>
+                            Erhalten am: {f.ausstellungsdatum ? new Date(f.ausstellungsdatum).toLocaleDateString('de-AT') : '—'}
+                          </Typography>
+                          {f.gueltig_bis && (
+                            <Typography variant="caption" color="text.secondary">
+                              Gültig bis: {new Date(f.gueltig_bis).toLocaleDateString('de-AT')}
+                            </Typography>
+                          )}
+                        </Box>
                       </Box>
                       {(f.behoerde || f.nummer) && (
                         <Typography variant="body2" color="text.secondary">
                           {[f.behoerde, f.nummer].filter(Boolean).join(' · ')}
                         </Typography>
                       )}
-                      {f.gueltig_bis && (
-                        <Typography variant="caption" color="text.secondary">
-                          Gültig bis: {new Date(f.gueltig_bis).toLocaleDateString('de-AT')}
-                        </Typography>
-                      )}
                     </Box>
                   ))
                 )}

frontend/src/pages/Mitglieder.tsx

@@ -120,25 +120,16 @@ function Mitglieder() {
   }, [debouncedSearch, selectedStatus, selectedDienstgrad, page, pageSize]);
 
   useEffect(() => {
-    // Reset to page 0 when search changes
     if (debouncedSearch !== prevSearch.current) {
       prevSearch.current = debouncedSearch;
-      setPage(0);
+      if (page !== 0) {
-      return;
+        setPage(0);
+        return; // page change will re-render → fetchMembers recreated → effect re-fires
+      }
     }
     fetchMembers();
   }, [fetchMembers, debouncedSearch]);
 
-  // Also fetch when page/filters change (skip initial mount to avoid double-fetch)
-  const isInitialMount = useRef(true);
-  useEffect(() => {
-    if (isInitialMount.current) {
-      isInitialMount.current = false;
-      return;
-    }
-    fetchMembers();
-  }, [page, pageSize, selectedStatus, selectedDienstgrad]);
-
   // ----------------------------------------------------------------
   // Event handlers
   // ----------------------------------------------------------------