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// Browser-safe viewer shape used by the SSR shell. The Worker computes this
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// from the session cookie + D1 in `src/worker/auth/session.ts` and threads
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// it into `renderUiDocumentResponse`. SSR components must not reach for
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// session state directly — keep this presentational.
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export type Viewer = {
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  userId: string;
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  // Slug of the user's "home" namespace. Optional because a user can exist
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  // without a namespace if their `preferred_username` claim was invalid
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  // or already taken when they first signed in.
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  primaryNamespaceSlug?: string;
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};