type: narrow optional results in integration tests

tests/examples/test_browser_click_workflow_example.py

@@ -275,8 +275,10 @@ async def test_browser_click_workflow_artifact_deployment_run_path(tmp_path) ->
     )
 
     assert run["status"] == "completed"
-    assert run["output"]["before"]["clicked"] is False
-    assert run["output"]["after"]["clicked"] is True
-    assert run["output"]["after"]["status_text"] == "Button clicked"
-    assert run["output"]["closed"] is True
+    output = run["output"]
+    assert output is not None
+    assert output["before"]["clicked"] is False
+    assert output["after"]["clicked"] is True
+    assert output["after"]["status_text"] == "Button clicked"
+    assert output["closed"] is True
     assert run["trace_count"] >= 3

tests/examples/test_report_workflow_example.py

@@ -63,13 +63,15 @@ async def test_report_workflow_python_source_loads_and_calls_capability(
     )
 
     assert result["outcome"] == "ok"
-    assert result["output"]["title"] == "Weekly Project Update"
-    assert result["output"]["action_items"][0] == {
+    output = result["output"]
+    assert output is not None
+    assert output["title"] == "Weekly Project Update"
+    assert output["action_items"][0] == {
         "owner": "Alice",
         "task": "Prepare demo config",
         "due": "Friday",
     }
-    assert "Google Drive MCP quota" in result["output"]["risks"][0]
+    assert "Google Drive MCP quota" in output["risks"][0]
 
 
 @pytest.mark.asyncio
@@ -103,9 +105,11 @@ async def test_report_workflow_artifact_deployment_run_path(tmp_path) -> None:
     )
 
     assert run["status"] == "completed"
-    assert run["output"]["report"]["title"] == "Weekly Project Update"
-    assert len(run["output"]["report"]["action_items"]) == 3
-    assert run["output"]["markdown"].startswith("# Weekly Project Update")
+    output = run["output"]
+    assert output is not None
+    assert output["report"]["title"] == "Weekly Project Update"
+    assert len(output["report"]["action_items"]) == 3
+    assert output["markdown"].startswith("# Weekly Project Update")
 
 
 def test_report_workflow_read_notes_accepts_text_by_value() -> None:

tests/wf_mcp/test_mcp_workflow_surface_example.py

@@ -34,7 +34,9 @@ def test_mcp_workflow_surface_example_runs_happy_path(tmp_path) -> None:
     payload = asyncio.run(create_and_run_echo_deployment(tmp_path, text="hello"))
 
     assert payload["status"] == "completed"
-    assert payload["output"]["echoed"] == "hello"
+    output = payload["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"
     assert payload["diagnostics"] == []
 
 

tests/wf_mcp/test_saved_subgraphs.py

@@ -123,22 +123,27 @@ def test_interrupting_saved_child_pauses_and_resumes_through_deployment_surface(
     )
 
     assert paused["status"] == "interrupted"
-    assert isinstance(paused["run_id"], str)
-    assert paused["interrupt"]["node_id"] == "child_step"
-    assert paused["interrupt"]["payload"]["question"] == "hello"
+    paused_run_id = paused["run_id"]
+    assert isinstance(paused_run_id, str)
+    interrupt = paused["interrupt"]
+    assert interrupt is not None
+    assert interrupt["node_id"] == "child_step"
+    assert interrupt["payload"]["question"] == "hello"
 
     # Durable resume must not rely on the process-local handler instance.
     handlers = _handlers(store, tmp_path)
     resumed = asyncio.run(
         handlers.resume_run(
-            run_id=paused["run_id"],
+            run_id=paused_run_id,
             resume_payload={"answer": "world"},
         )
     )
 
     assert resumed["status"] == "completed"
     assert resumed["outcome"] == "ok"
-    assert resumed["output"]["echoed"] == "world"
+    output = resumed["output"]
+    assert output is not None
+    assert output["echoed"] == "world"
 
 
 def test_interrupted_saved_child_blocks_resume_until_pinned_source_returns(
@@ -158,11 +163,13 @@ def test_interrupted_saved_child_blocks_resume_until_pinned_source_returns(
     )
     run_store = handlers.service.run_store
     assert run_store is not None
+    paused_run_id = paused["run_id"]
+    assert isinstance(paused_run_id, str)
 
     handlers.service.capability_sources["demo.personal"].enabled = False
     blocked = asyncio.run(
         handlers.resume_run(
-            run_id=paused["run_id"],
+            run_id=paused_run_id,
             resume_payload={"answer": "world"},
         )
     )
@@ -171,22 +178,24 @@ def test_interrupted_saved_child_blocks_resume_until_pinned_source_returns(
     assert blocked["resume_readiness"] == "blocked"
     assert blocked["diagnostics"][0]["code"] == "source_disabled"
     assert (
-        run_store.get_run(paused["run_id"]).resume_readiness is ResumeReadiness.BLOCKED
+        run_store.get_run(paused_run_id).resume_readiness is ResumeReadiness.BLOCKED
     )
-    assert run_store.get_latest_checkpoint(paused["run_id"]).sequence == 1
+    assert run_store.get_latest_checkpoint(paused_run_id).sequence == 1
 
     handlers.service.capability_sources["demo.personal"].enabled = True
     resumed = asyncio.run(
         handlers.resume_run(
-            run_id=paused["run_id"],
+            run_id=paused_run_id,
             resume_payload={"answer": "world"},
         )
     )
 
     assert resumed["status"] == "completed"
     assert resumed["resume_readiness"] == "not_applicable"
-    assert resumed["output"]["echoed"] == "world"
-    assert run_store.get_latest_checkpoint(paused["run_id"]).sequence == 2
+    output = resumed["output"]
+    assert output is not None
+    assert output["echoed"] == "world"
+    assert run_store.get_latest_checkpoint(paused_run_id).sequence == 2
 
 
 def test_missing_saved_child_is_unrunnable_on_deployment_surface(
@@ -241,7 +250,9 @@ def test_saved_child_runs_natively_with_parent_deployment_binding(
     )
 
     assert result["status"] == "completed"
-    assert result["output"]["echoed"] == "hello"
+    output = result["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"
     assert result["diagnostics"] == []
 
 
@@ -267,7 +278,9 @@ def test_nested_saved_child_inherits_root_deployment_binding(tmp_path: Path) ->
     )
 
     assert result["status"] == "completed"
-    assert result["output"]["echoed"] == "hello"
+    output = result["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"
     assert result["diagnostics"] == []
 
 

tests/wf_mcp/workflow_surface/test_wrappers.py

@@ -96,7 +96,9 @@ def test_workflow_surface_calls_saved_wrapper_artifact() -> None:
     assert payload["kind"] == "wrapper_artifact"
     assert payload["diagnostics"] == []
     assert payload["outcome"] == "completed"
-    assert payload["output"]["echoed"] == "hello"
+    output = payload["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"
 
 
 def test_workflow_surface_calls_live_node_spec_with_self_describing_response() -> None:
@@ -124,7 +126,9 @@ def test_workflow_surface_calls_live_node_spec_with_self_describing_response() -
     assert payload["kind"] == "node_spec"
     assert payload["diagnostics"] == []
     assert payload["outcome"] == "ok"
-    assert payload["output"]["echoed"] == "hello"
+    output = payload["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"
 
 
 def test_workflow_surface_calls_saved_wrapper_artifact_with_deployment_bindings() -> (
@@ -169,4 +173,6 @@ def test_workflow_surface_calls_saved_wrapper_artifact_with_deployment_bindings(
     assert payload["deployment_id"] == "logical_echo_wrapper.personal"
     assert payload["diagnostics"] == []
     assert payload["outcome"] == "completed"
-    assert payload["output"]["echoed"] == "hello"
+    output = payload["output"]
+    assert output is not None
+    assert output["echoed"] == "hello"

tests/wf_server/test_local_static_server.py

@@ -102,10 +102,13 @@ async def test_local_static_server_runs_deployment_and_persists_run(tmp_path) ->
     assert artifact_result["artifact_id"] == "server_constant"
     assert deployment_result["deployment_id"] == "server_constant.default"
     assert run_result["status"] == "completed"
-    assert run_result["output"]["result"] == "hello from server"
-    assert isinstance(run_result["run_id"], str)
+    output = run_result["output"]
+    assert output is not None
+    assert output["result"] == "hello from server"
+    run_id = run_result["run_id"]
+    assert isinstance(run_id, str)
     assert (
-        server.stores.run_store.get_run(run_result["run_id"]).id == run_result["run_id"]
+        server.stores.run_store.get_run(run_id).id == run_id
     )
 
 
@@ -132,10 +135,12 @@ async def test_local_static_server_inspects_and_reads_bounded_trace(tmp_path) ->
     run_result = await api.run_deployment(
         deployment_id="server_trace.default", workflow_input={}
     )
+    run_id = run_result["run_id"]
+    assert isinstance(run_id, str)
 
-    summary = await api.inspect_run(run_id=run_result["run_id"])
+    summary = await api.inspect_run(run_id=run_id)
     trace = await api.read_run_trace(
-        run_id=run_result["run_id"],
+        run_id=run_id,
         trace_range=server.trace_range(start=0, limit=1),
     )
 
@@ -177,7 +182,9 @@ async def test_local_static_wf_std_deployment_runs_without_source_binding(
     assert artifact_result["artifact_id"] == "server_constant_no_binding"
     assert deployment_result["deployment_id"] == "server_constant_no_binding.default"
     assert run_result["status"] == "completed"
-    assert run_result["output"]["result"] == "hello from server"
+    output = run_result["output"]
+    assert output is not None
+    assert output["result"] == "hello from server"
 
 
 def test_local_static_server_has_no_source_registry_admin(tmp_path) -> None: