feat(api): implement paused status exposure for service api

api/tests/unit_tests/controllers/service_api/app/test_workflow_fields.py

@@ -0,0 +1,39 @@
+from types import SimpleNamespace
+
+from controllers.service_api.app.workflow import WorkflowRunOutputsField, WorkflowRunStatusField
+from core.workflow.enums import WorkflowExecutionStatus
+
+
+def test_workflow_run_status_field_with_enum() -> None:
+    field = WorkflowRunStatusField()
+    obj = SimpleNamespace(status=WorkflowExecutionStatus.PAUSED)
+
+    assert field.output("status", obj) == "paused"
+
+
+def test_workflow_run_status_field_with_dict() -> None:
+    field = WorkflowRunStatusField()
+    payload = {"status": "running"}
+
+    assert field.output("status", payload) == "running"
+
+
+def test_workflow_run_outputs_field_paused_returns_empty() -> None:
+    field = WorkflowRunOutputsField()
+    obj = SimpleNamespace(status=WorkflowExecutionStatus.PAUSED, outputs_dict={"foo": "bar"})
+
+    assert field.output("outputs", obj) == {}
+
+
+def test_workflow_run_outputs_field_running_returns_outputs() -> None:
+    field = WorkflowRunOutputsField()
+    obj = SimpleNamespace(status=WorkflowExecutionStatus.RUNNING, outputs_dict={"foo": "bar"})
+
+    assert field.output("outputs", obj) == {"foo": "bar"}
+
+
+def test_workflow_run_outputs_field_dict_fallback() -> None:
+    field = WorkflowRunOutputsField()
+    payload = {"status": "succeeded", "outputs": {"answer": "ok"}}
+
+    assert field.output("outputs", payload) == {"answer": "ok"}