Kimi message payload
@type t() :: %LemonCliRunners.KimiSchema.Message{ content: String.t() | list() | nil, is_error: boolean() | nil, name: String.t() | nil, role: String.t() | nil, tool_call_id: String.t() | nil, tool_calls: [LemonCliRunners.KimiSchema.ToolCall.t()] | nil }