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internal/workflow/agent_subgraph.go

@@ -0,0 +1,24 @@
+package workflow
+
+import (
+	"context"
+
+	"github.com/cloudwego/eino/compose"
+)
+
+// compileAgentSubgraph wraps an Agent canvas node as an Eino subgraph (AddGraphNode best practice).
+func compileAgentSubgraph(_ context.Context, node graphNode) (compose.AnyGraph, error) {
+	n := node
+	innerID := n.ID + "__agent"
+	g := compose.NewGraph[WorkflowNodeOutput, WorkflowNodeOutput]()
+	_ = g.AddLambdaNode(innerID, compose.InvokableLambda(func(runCtx context.Context, _ WorkflowNodeOutput) (WorkflowNodeOutput, error) {
+		return runWorkflowNodeLambda(runCtx, n)
+	}))
+	if err := g.AddEdge(compose.START, innerID); err != nil {
+		return nil, err
+	}
+	if err := g.AddEdge(innerID, compose.END); err != nil {
+		return nil, err
+	}
+	return g, nil
+}