# Tasks: Backup Version Reuse (016)

**Branch**: `016-backup-version-reuse` | **Date**: 2026-01-02
**Input**: [spec.md](./spec.md), [plan.md](./plan.md)

## Phase 1: Setup
- [X] T001 Create spec/plan/tasks and checklist.

## Phase 2: Tests (TDD)
- [X] T002 Add tests for reusing an existing suitable PolicyVersion.
- [X] T003 Add tests for capturing a new PolicyVersion when reuse is not possible.

## Phase 3: Core
- [X] T004 Implement reuse decision + reuse path in BackupService.

## Phase 4: Verification
- [X] T005 Run targeted tests.
- [X] T006 Run Pint (`./vendor/bin/pint --dirty`).