Unary inverse hyperbolic cosine, parallel to sqrt/ln/exp/log10, in REST,
gRPC, and edge (FFI + Python) interfaces. Inputs below 1 produce the same
NonFiniteNumber error as an invalid sqrt or ln.
Closes#10186
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
* handle `score_threshold` in Formula queries
* AI: add openapi test
prompt: Upload 4 points with a numeric payload, use the payload as the
score, and set a score threshold. We can assert which ids should be in
the result and which shouldn't
