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/database/entities/api-key.entity.ts

@@ -1,4 +1,10 @@
-import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn } from 'typeorm';
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+} from 'typeorm';
 
 @Entity('api_keys')
 export class ApiKey {

paperless-backend/src/database/entities/attachment.entity.ts

@@ -1,4 +1,12 @@
-import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, OneToOne, JoinColumn, Index } from 'typeorm';
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  ManyToOne,
+  OneToOne,
+  JoinColumn,
+  Index,
+} from 'typeorm';
 import { Email } from './email.entity';
 import { Content } from './content.entity';
 

paperless-backend/src/database/entities/barcode-template.entity.ts

@@ -15,9 +15,25 @@ export interface LabelInputField {
 }
 
 export type LabelElement =
-  | { type: 'text'; content: string; x: number; y: number; fontSize: number; bold?: boolean; align?: 'left' | 'center' | 'right'; maxWidth?: number }
-  | { type: 'qr';   content: string; x: number; y: number; sizeMm: number }
-  | { type: 'line'; x1: number; y1: number; x2: number; y2: number; lineWidth?: number };
+  | {
+      type: 'text';
+      content: string;
+      x: number;
+      y: number;
+      fontSize: number;
+      bold?: boolean;
+      align?: 'left' | 'center' | 'right';
+      maxWidth?: number;
+    }
+  | { type: 'qr'; content: string; x: number; y: number; sizeMm: number }
+  | {
+      type: 'line';
+      x1: number;
+      y1: number;
+      x2: number;
+      y2: number;
+      lineWidth?: number;
+    };
 
 @Entity('barcode_templates')
 export class BarcodeTemplate {

paperless-backend/src/database/entities/content.entity.ts

@@ -1,4 +1,11 @@
-import { Entity, PrimaryGeneratedColumn, Column, OneToOne, JoinColumn, Index } from 'typeorm';
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  OneToOne,
+  JoinColumn,
+  Index,
+} from 'typeorm';
 import { Attachment } from './attachment.entity';
 
 @Entity('Contents')

paperless-backend/src/database/entities/email.entity.ts

@@ -1,4 +1,10 @@
-import { Entity, PrimaryGeneratedColumn, Column, Index, OneToMany } from 'typeorm';
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  Index,
+  OneToMany,
+} from 'typeorm';
 import { Attachment } from './attachment.entity';
 
 @Entity('Emails')

paperless-backend/src/database/entities/postprocessing.entity.ts

@@ -1,7 +1,7 @@
 import { Entity, PrimaryGeneratedColumn, Column } from 'typeorm';
 
 export interface FilterCondition {
-  field: string;    // 'document_type' | 'correspondent' | 'owner' | 'tag' | 'custom_field_<id>' | 'title' | 'archive_serial_number'
+  field: string; // 'document_type' | 'correspondent' | 'owner' | 'tag' | 'custom_field_<id>' | 'title' | 'archive_serial_number'
   operator: string; // 'equals' | 'not_equals' | 'contains' | 'not_contains' | 'is_set' | 'is_not_set'
   value: any;
 }

paperless-backend/src/database/entities/user-client.entity.ts

@@ -11,6 +11,10 @@ export class UserClient {
   @Column({ type: 'int' })
   ClientId!: number;
 
-  @Column({ type: 'enum', enum: ['viewer', 'editor', 'admin'], default: 'editor' })
+  @Column({
+    type: 'enum',
+    enum: ['viewer', 'editor', 'admin'],
+    default: 'editor',
+  })
   Role!: 'viewer' | 'editor' | 'admin';
 }