Keep using Photos.app like you always do. Attic quietly backs up your originals and edits to an S3 bucket you control. One-way, append-only.
docs: link lanes explainer from architecture
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docs/architecture.md
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docs/architecture.md
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`-1728` errors are classified `.permanentlyUnavailable` and recorded in the
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unavailable store.
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See [Lanes and adaptive concurrency](lanes-and-adaptive-concurrency.md) for
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the full rationale behind the split and the AIMD policy.
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Each export result includes the file path, size, and SHA-256 hash (computed
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inline during the streaming write — no second pass).
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