[nextcloud-entity-relations] Tracking: Nextcloud Entity Relations Implementation

[rubenvdlinde]

Overview

Implementation tracking for the Nextcloud Entity Relations feature. Adds email, calendar event, contact, and Deck card relation capabilities to OpenRegister objects.

Parent Issue: #1003
Branch: feature/1003/nextcloud-entity-relations

Tasks

Database & Infrastructure

• [nextcloud-entity-relations] 1 Database migration and link entities #1071 — Database migration and link entities

Services & Controllers

• [nextcloud-entity-relations] 2 EmailService and EmailsController #1079 — EmailService and EmailsController
• [nextcloud-entity-relations] 3 CalendarEventService and CalendarEventsController #1083 — CalendarEventService and CalendarEventsController
• [nextcloud-entity-relations] 4 ContactService and ContactsController #1084 — ContactService and ContactsController
• [nextcloud-entity-relations] 5 DeckCardService and DeckController #1085 — DeckCardService and DeckController
• [nextcloud-entity-relations] 6 RelationsController and unified endpoint #1087 — RelationsController and unified endpoint

Integration & Wiring

• [nextcloud-entity-relations] 7 ObjectCleanupListener extension and events #1089 — ObjectCleanupListener extension and events
• [nextcloud-entity-relations] 8 Routes and service registration #1090 — Routes and service registration

Specs

• Proposal: openspec/changes/nextcloud-entity-relations/proposal.md
• Design: openspec/changes/nextcloud-entity-relations/design.md
• Spec: openspec/changes/nextcloud-entity-relations/specs/nextcloud-entity-relations/spec.md
• Tasks: openspec/changes/nextcloud-entity-relations/tasks.md