ContractSpec docs

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i18n factory snapshot & hydration

Additive snapshot/serialization/hydration surface for the createI18nFactory stack.

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i18n factory snapshot & hydration
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i18n factory snapshot & hydration
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Additive snapshot/serialization/hydration surface for the createI18nFactory stack.

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i18n,translations,ssr,hydration
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public

The canonical, additive (behavior-compatible) snapshot/hydration surface on the `createI18nFactory` stack.

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`buildI18nFactorySnapshot` produces a **locale-scoped** snapshot containing

only the catalogs needed to reproduce identical `t()` results for the locale (the locale plus its declared fallback chain).

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`createI18nFactoryHydrationPayload` wraps a snapshot in a versioned envelope

(`kind` = `contractspec.i18n-factory.hydration`, `version` = `1`) for SSR -> client transport.

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`parseI18nFactoryHydrationPayload` validates and re-clones the payload.

Reconstruct a factory from a snapshot or payload with `createI18nFactoryFromSnapshot` / `createI18nFactoryFromHydrationPayload` (see the `i18n-factory` module).

Compatibility classification: **ADDITIVE**. No existing exported symbol or resolution behavior changes.