reducerspec

src/wf_core/__init__.py

@@ -7,6 +7,7 @@ from .models import (
     NodeDef,
     NodeResult,
     NodeUse,
+    ReducerSpec,
     SchemaRef,
     StateField,
     StateSchema,
@@ -51,6 +52,7 @@ __all__ = [
     "NodeDef",
     "NodeResult",
     "NodeUse",
+    "ReducerSpec",
     "SchemaRef",
     "StateField",
     "StateSchema",

src/wf_core/models/__init__.py

@@ -9,6 +9,7 @@ from wf_core.models.conditions import (
     VariadicCondition,
 )
 from wf_core.models.results import NodeResult
+from wf_core.models.reducers import ReducerSpec
 from wf_core.models.schemas import NodeDef, SchemaRef, StateField, StateSchema
 from wf_core.models.steps import (
     ConditionNode,
@@ -32,6 +33,7 @@ __all__ = [
     "LiteralOperand",
     "NodeDef",
     "NodeResult",
+    "ReducerSpec",
     "NodeUse",
     "NotCondition",
     "Operand",

src/wf_core/models/reducers.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from pydantic import BaseModel
+
+
+class ReducerSpec(BaseModel):
+    """Inspectable metadata for one named pure state reducer."""
+
+    name: str
+    description: str | None = None