The Connection Log page has a preset filter "Active SSH connections"
that was using `status:connected`, but the only valid status enum values
are `completed` and `ongoing`. This caused the preset to generate an
invalid query.
This changes the preset to use `status:ongoing type:ssh` and adds a
typed helper function so that invalid enum values will be caught at
compile time.
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PR generated by [mux](https://mux.coder.com), but reviewed by a human.
Ethan
20785580d1