Memory · Sidecar records

Photo sidecar records

Persist source-linked photo metadata without modifying the original photo.

Workflow

1. Attach photo recordCreate metadata against a stable photo identity and source version.
2. Validate sidecar schemaCheck supported schema and prevent a record from attaching to the wrong source.
3. Write beside source or replicaPersist the record under destination policy without altering the original media.
4. Return unavailableThe workflow returns an explicit unavailable or refused outcome without inventing content or mutating unrelated records.
5. Return sidecar receiptConfirm durable association and explicit copy state.

Failure boundaries

• Unsupported versionRefused: Migrate explicitly
• Digest changedStale: Do not attach
• Copy lacks sidecarIncomplete replica: Repair copy

memory.sidecar.photo