A normalised inference request.
Every provider receives an ExAthena.Request and is responsible for mapping
it to its own wire format. Keeping the shared shape here means callers don't
need to think about whether they're talking to Ollama, OpenAI, or Claude.
Summary
Functions
Build a request from a raw user prompt and options.
Types
@type t() :: %ExAthena.Request{ max_tokens: pos_integer() | nil, messages: [ExAthena.Messages.Message.t()], metadata: map() | nil, model: String.t() | nil, provider_opts: keyword() | nil, response_format: :text | :json | map() | nil, stop: [String.t()] | String.t() | nil, system_prompt: String.t() | nil, temperature: float() | nil, timeout_ms: pos_integer() | nil, tool_choice: :auto | :any | :none | map() | nil, tools: [map()] | nil, top_p: float() | nil }