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Description
Describe the problem you're trying to solve
I was searching for one of @denlillaapan's posts, but kept misspelling his nym. Autocomplete for users and territories might be a nice feature for the search bar.
Describe the solution you'd like
Autocomplete for @nym in the search bar, which works the same way it does in posts
Autocomplete for ~territory in the search bar (which isn't currently available for posts either, so #992 may need to be done first)
Describe alternatives you've considered
No response
Additional context
No response