migrate all everything to the new stuff

src/wf_authoring/dsl/__init__.py

@@ -9,7 +9,16 @@ from .conditions import (
     not_,
     state,
 )
-from .mapping import PathArg, bind_fields, bind_state, merge_maps, normalize_path
+from .mapping import (
+    PathArg,
+    bind_fields,
+    bind_state,
+    input_from,
+    input_value,
+    merge_maps,
+    normalize_path,
+    output_to,
+)
 from .paths import GraphPath, context_path, graph_path, input_path, state_path
 
 __all__ = [
@@ -26,10 +35,13 @@ __all__ = [
     "expr",
     "graph_path",
     "input",
+    "input_from",
     "input_path",
+    "input_value",
     "merge_maps",
     "normalize_path",
     "not_",
+    "output_to",
     "state",
     "state_path",
 ]

src/wf_authoring/dsl/mapping.py

@@ -1,10 +1,17 @@
 from __future__ import annotations
 
 from collections.abc import Mapping
-from typing import TypeAlias
+from typing import Any, TypeAlias
 
+from wf_core.models.steps import InputPathBinding, InputValueBinding, OutputBinding
+
+from .path_inputs import (
+    PathInput,
+    coerce_graph_path,
+    coerce_local_path,
+    coerce_state_path,
+)
 from .paths import GraphPath
-from .path_inputs import PathInput, coerce_graph_path, coerce_state_path
 
 PathArg: TypeAlias = PathInput | GraphPath
 
@@ -41,6 +48,30 @@ def bind_state(**mapping: PathArg) -> dict[str, str]:
     }
 
 
+def input_from(path: PathArg, target: PathInput) -> InputPathBinding:
+    """Bind a workflow graph path into a node-local input path."""
+    return InputPathBinding(
+        target=coerce_local_path(target),
+        path=coerce_graph_path(path.path if isinstance(path, GraphPath) else path),
+    )
+
+
+def input_value(target: PathInput, value: Any) -> InputValueBinding:
+    """Bind a literal value into a node-local input path."""
+    return InputValueBinding(target=coerce_local_path(target), value=value)
+
+
+def output_to(source: PathInput, target: PathArg) -> OutputBinding:
+    """Bind a node-local output path back into workflow state."""
+    return OutputBinding(
+        source=coerce_local_path(source),
+        target=coerce_state_path(
+            target.path if isinstance(target, GraphPath) else target,
+            allow_legacy_root=True,
+        ),
+    )
+
+
 def merge_maps(*maps: Mapping[str, str]) -> dict[str, str]:
     merged: dict[str, str] = {}
     for mapping in maps: