Compile-time macro for declarative orchestrator agent definitions.
use Jido.Composer.Orchestrator generates a Jido.Agent module wired
to the Jido.Composer.Orchestrator.Strategy with validated configuration.
Example
defmodule MyCoordinator do
use Jido.Composer.Orchestrator,
name: "coordinator",
model: "anthropic:claude-sonnet-4-20250514",
nodes: [ResearchAction, WriterAction],
system_prompt: "You coordinate research and writing.",
max_iterations: 15
end