For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

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get user$(): Observable<User | undefined>

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client.user$.subscribe(u => {
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  if (u) console.log('Logged in as', u.email);
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});

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get user(): User | undefined