feat(f4): add finding recurrence linkage

api-v3/src/database/entities/inspection-finding.entity.ts

@@ -1,6 +1,7 @@
 import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
 import { TimestampedEntity } from './timestamped.entity';
 
+/** @deprecated Los plazos de respuesta pasan al nivel Acta/Informe en F4. */
 export enum InspectionFindingResponseDueBasis {
   FINDING_DATE = 'FINDING_DATE',
   REPORT_NOTIFICATION = 'REPORT_NOTIFICATION',
@@ -18,6 +19,7 @@ export enum InspectionFindingStatus {
 @Index('idx_inspection_findings_status_control', ['status', 'nextControlOn'])
 @Index('idx_inspection_findings_asset_status', ['assetId', 'status'])
 @Index('idx_inspection_findings_catalog_item', ['catalogItemId'])
+@Index('idx_inspection_findings_recurrence_of', ['recurrenceOfFindingId'])
 export class InspectionFinding extends TimestampedEntity {
   @PrimaryGeneratedColumn('uuid')
   id!: string;
@@ -61,9 +63,16 @@ export class InspectionFinding extends TimestampedEntity {
   @Column({ type: 'smallint', nullable: true })
   severity!: number | null;
 
+  @Column({ name: 'is_recurrence', type: 'boolean', default: false })
+  isRecurrence!: boolean;
+
+  @Column({ name: 'recurrence_of_finding_id', type: 'uuid', nullable: true })
+  recurrenceOfFindingId!: string | null;
+
   @Column({ name: 'correction_due_on', type: 'date', nullable: true })
   correctionDueOn!: string | null;
 
+  // Campos legacy conservados temporalmente para migrar datos sin pérdida.
   @Column({ name: 'response_due_basis', type: 'varchar', length: 32, nullable: true })
   responseDueBasis!: InspectionFindingResponseDueBasis | null;