- Create BackupResponder for NATS request-reply on config.backup.trigger
- Extract public CollectAndPublish from BackupScheduler returning sha256 hash
- Define BackupExecutor/BackupLocker/DeviceGetter interfaces for testability
- Create RedisBackupLocker adapter wrapping redislock.Client
- Wire BackupResponder into main.go lifecycle
- All 6 tests pass with in-process NATS server
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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