Creates a new score configuration.

Provide name and the ordered elements (each with its field, weight, and rules → criteria). Server-assigned fields (id, status, modelType, fieldsUsedInRules, and timestamps) are ignored on input and returned in the response.

Returns 201 with the created score config. Returns 400 if the payload is malformed (e.g. an element missing its field, an out-of-range weight, or a rule with no criteria).