feat: replace draft output bind with general bind

tests/wf_transport_rpc_http/test_app.py

@@ -724,13 +724,13 @@ async def test_rpc_draft_workspace_focused_edit_methods(tmp_path) -> None:
         )
         state_bound = await _rpc(
             client,
-            "workflow.draft_workspaces.bind_output_to_state",
+            "workflow.draft_workspaces.bind",
             {
                 "workspace_id": "focused_ws",
                 "revision": 7,
                 "step_id": "call",
-                "output_field": "value",
-                "state_path": "state.extra_value",
+                "source_path": "local.value",
+                "target_path": "state.extra_value",
             },
         )
         fetched = await _rpc(

tests/wf_transport_rpc_http/test_client.py

@@ -501,12 +501,12 @@ async def test_rpc_client_draft_workspace_focused_edit_methods(tmp_path) -> None
             output_map={"extra": "state.extra"},
             merge=True,
         )
-        state_bound = await client.bind_output_to_state(
+        state_bound = await client.bind_draft(
             workspace_id="client_focused_ws",
             revision=7,
             step_id="call",
-            output_field="value",
-            state_path="state.extra_value",
+            source_path="local.value",
+            target_path="state.extra_value",
         )
 
     assert named["revision"] == 2