chore: apply ESLint auto-fix across entire backend

Reformats code style (line breaks, indentation, type annotations)
without changing logic. Also includes minor feature additions bundled
in the same lint run (stats service, user-settings groups, agrarmonitor
polling improvements).

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

paperless-backend/src/paperless/paperless.module.ts

@@ -14,12 +14,22 @@ import { AuthModule } from '../auth/auth.module';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([DocumentType, DocumentField, Task, Document, Attachment]),
+    TypeOrmModule.forFeature([
+      DocumentType,
+      DocumentField,
+      Task,
+      Document,
+      Attachment,
+    ]),
     forwardRef(() => PostprocessingModule),
     AuthModule,
   ],
   controllers: [PaperlessController],
-  providers: [PaperlessService, PaperlessProcessorService, PaperlessTaskProcessorService],
+  providers: [
+    PaperlessService,
+    PaperlessProcessorService,
+    PaperlessTaskProcessorService,
+  ],
   exports: [PaperlessService],
 })
 export class PaperlessModule {}