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TenantAtlas/specs/016-backup-version-reuse/plan.md
ahmido a8bdfc5a77 feat: always capture policy when adding to backup (#22) 
Problem: Beim Hinzufügen zu einem Backup Set kann ein lokaler “Reuse” dazu führen, dass ein Backup nicht den aktuellen Intune-Stand reflektiert, wenn last_synced_at nicht frisch ist.
Lösung: BackupService führt beim Add immer orchestrated capture aus (Graph Fetch), damit “Backup = current state” gilt.
Trotzdem kein unnötiges Version-Wachstum: PolicyCaptureOrchestrator re-used bestehende PolicyVersions via Snapshot-Hash, wenn sich nichts geändert hat.
Tests: Added BackupServiceVersionReuseTest.php
Specs: Updated spec.md + plan.md + tasks checked off.

Co-authored-by: Ahmed Darrazi <ahmeddarrazi@adsmac.local>
Reviewed-on: #22
2026-01-02 14:33:29 +00:00

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Plan: Backup Version Reuse (016)

Branch: 016-backup-version-reuse Date: 2026-01-02 Input: spec.md

Goal

Reduce unnecessary PolicyVersion creation when policies are added to backup sets by reusing an existing suitable latest version where safe.

Approach

  1. Always capture from Intune when a policy is added to a backup set (admin expectation: "backup = current state").
  2. Rely on PolicyCaptureOrchestrator snapshot-hash reuse to avoid redundant PolicyVersion creation when nothing changed.
  3. Still respect capture options (assignments / scope tags) via orchestrator backfill behavior.
  4. Add tests for both reuse and capture paths.

Out of scope

  • UI toggles/config flags unless required.
  • Cross-policy dedup or historical compaction.