The model argument is ignored in RequestModelUnloadAsync

[yamanaiyuki]

The method signature suggests it unloads a specific model, but it actually unloads client.SelectedModel, which can lead to unexpected behavior.

OllamaSharp/src/OllamaSharp/OllamaApiClientExtensions.cs

Lines 94 to 113 in 6ef00f4

	/// <summary>
	/// Sends a request to /api/generate with <c>keep_alive</c> set to 0 to immediately unload a model from memory.
	/// </summary>
	/// <param name="client">The client used to execute the command.</param>
	/// <param name="model">The name of the model to unload.</param>
	/// <param name="cancellationToken">The token to cancel the operation with.</param>
	/// <returns>A task that completes when the unload request has been sent.</returns>
	public static async Task RequestModelUnloadAsync(this IOllamaApiClient client, string model, CancellationToken cancellationToken = default)
	{
	var request = new GenerateRequest
	{
	Model = client.SelectedModel,
	Stream = false,
	KeepAlive = "0s"
	};
	await foreach (var _ in client.GenerateAsync(request, cancellationToken))
	{
	break;
	}
	}