feat: personal equipment tracking, order assignment, purge fix, widget consolidation

- Migration 084: new persoenliche_ausruestung table with catalog link, user
  assignment, soft delete; adds zuweisung_typ/ausruestung_id/persoenlich_id
  columns to ausruestung_anfrage_positionen; seeds feature group + 5 permissions

- Fix user data purge: table was shop_anfragen, renamed to ausruestung_anfragen
  in mig 046 — caused full transaction rollback. Also keep mitglieder_profile
  row but NULL FDISK-synced fields (dienstgrad, geburtsdatum, etc.) instead of
  deleting the profile

- Personal equipment CRUD: backend service/controller/routes at
  /api/persoenliche-ausruestung; frontend page with DataTable, user filter,
  catalog Autocomplete, FAB create dialog; widget in Status group; sidebar
  entry (Checkroom icon); card in MitgliedDetail Tab 0

- Ausruestungsanfrage item assignment: when a request reaches erledigt,
  auto-opens ItemAssignmentDialog listing all delivered positions; each item
  can be assigned as general equipment (vehicle/storage), personal item (user,
  prefilled with requester), or not tracked; POST /requests/:id/assign backend

- StatCard refactored to use WidgetCard as outer shell for consistent header
  styling across all dashboard widget templates

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -20,6 +20,7 @@ import Ausruestung from './pages/Ausruestung';
 import AusruestungForm from './pages/AusruestungForm';
 import AusruestungDetail from './pages/AusruestungDetail';
 import AusruestungEinstellungen from './pages/AusruestungEinstellungen';
+import PersoenlicheAusruestung from './pages/PersoenlicheAusruestung';
 import Atemschutz from './pages/Atemschutz';
 import Mitglieder from './pages/Mitglieder';
 import MitgliedDetail from './pages/MitgliedDetail';
@@ -192,6 +193,14 @@ function App() {
                 </ProtectedRoute>
               }
             />
+            <Route
+              path="/persoenliche-ausruestung"
+              element={
+                <ProtectedRoute>
+                  <PersoenlicheAusruestung />
+                </ProtectedRoute>
+              }
+            />
             <Route
               path="/atemschutz"
               element={