OptionalsystemSystem prompt. Placed vendor-appropriately by the feature-server wrapper.
OptionalmessagesSeed conversation history. A role:'system' entry is extracted into systemPrompt.
OptionalinitialAlias of messages (historical).
OptionalmaxMaximum tokens the model may generate per turn.
OptionaltemperatureSampling temperature.
OptionaltoolsTools / functions the model may call.
Per-call LLM configuration for the agent verb.