workflow ref
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@@ -64,8 +64,11 @@ class SubgraphNode(BaseModel):
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```
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Current implementation status: `wf_core` has a first placeholder
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`SubgraphNode`, but `workflow` is still a plain string reference. The placeholder
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also carries `input_schema` and `output_schema` so validation can check parent
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`SubgraphNode`. Its `workflow` field is a structural `WorkflowRef`: local
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compiled workflows use `{"name": "child"}`, while saved artifacts can use
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`{"artifact_id": "child", "version": 1}`. Legacy strings still parse as input,
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but saved graphs should persist the structural shape. The placeholder also
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carries `input_schema` and `output_schema` so validation can check parent
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bindings before native execution exists. Runtime execution intentionally raises
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until a later slice adds child scope/frame execution.
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@@ -316,10 +319,10 @@ child = parent.subgraph(
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This copies the compiled child workflow contract into a core `SubgraphNode`,
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appends it to the builder, and returns the step for normal routing. It does not
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make the child executable yet. `workflow` is still a string reference inside the
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core model; higher layers need a structural workflow reference before
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saved/deployed workflow dependencies become stable. The lower-level
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`subgraph_ref(...)` helper exists for code that wants only the core step object.
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make the child executable yet. The core `workflow` field is structural, but
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higher layers still need dependency resolution before saved/deployed workflow
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refs can run. The lower-level `subgraph_ref(...)` helper exists for code that
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wants only the core step object.
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Possible API:
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