pub fn try_build_execution_plan(
document: &DocumentAst,
invocation: Invocation<'_>,
) -> Result<ExecutionPlan, PlanError>Expand description
Builds a dependency-ordered execution plan from semantic AST and returns planner errors.
Args: document: Semantic AST used by the runtime. invocation: Requested task target plus input bindings.
Returns: Dependency-expanded execution plan in DAG order.