Check Arena Model Config Handler
Start the LLMConfig capability checks the Arena admin flow gates on.
Spawned rather than awaited: Modal cuts a web endpoint request off at 150s, and a cold worker plus three provider calls can outlast that. The caller polls the companion route for the report.
post/arena/model-config/check
Request body
Response
Successful Response
{"stackTrail":"paths:/arena/model-config/check:post:responses:200:content:application/json:schema","oasType":"schema","type":"unknown"}