fix: restrict spark to non-plus users & fast mode gpt5.4 (#180)

* fix: restrict spark to non-plus users & fast mode gpt5.4

* nit

* tests

* tests

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Co-authored-by: Theo Browne <me@t3.gg>
40fcb6bdf8Yash Singh committed on 3/6/2026, 9:48:37 PM· committed by GitHubparentd58ff5d
11 files changedLine totals unavailable