Initial commit with Email Import Wizard and Task Processor updates

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

@@ -0,0 +1,33 @@
+import { Entity, PrimaryGeneratedColumn, Column } from 'typeorm';
+
+export interface FilterCondition {
+  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;
+}
+
+export interface FilterGroup {
+  combinator: 'AND' | 'OR';
+  rules: (FilterCondition | FilterGroup)[];
+}
+
+@Entity('Postprocessings')
+export class Postprocessing {
+  @PrimaryGeneratedColumn()
+  Id!: number;
+
+  @Column({ type: 'varchar', length: 255 })
+  Name!: string;
+
+  @Column({ type: 'json' })
+  FilterJson!: FilterGroup;
+
+  @Column({ type: 'int', default: 0 })
+  Order!: number;
+
+  @Column({ type: 'tinyint', default: 0 })
+  NoFurther!: boolean;
+
+  @Column({ type: 'tinyint', default: 1 })
+  IsActive!: boolean;
+}