refactor: unify workflow data port access

tests/test_architecture_dependencies.py

@@ -407,6 +407,27 @@ def test_host_code_uses_explicit_runtime_facade_getters():
     assert violations == []
 
 
+def test_workflow_domain_uses_explicit_chain_data_port_getters():
+    """工作流域不得重新使用迁移期 PortProxy 冒充数据库 Oper。"""
+    paths = [APP_ROOT / "chain" / "workflow.py"]
+    paths.extend((APP_ROOT / "workflow").rglob("*.py"))
+    violations: list[str] = []
+    for path in paths:
+        tree = ast.parse(path.read_text(encoding="utf-8-sig"), filename=str(path))
+        for node in ast.walk(tree):
+            if not isinstance(node, ast.ImportFrom):
+                continue
+            if node.module != "app.application.chain.data":
+                continue
+            for alias in node.names:
+                if alias.name.endswith("PortProxy"):
+                    violations.append(
+                        f"{path.relative_to(PROJECT_ROOT).as_posix()}:{node.lineno}:{alias.name}"
+                    )
+
+    assert violations == []
+
+
 def test_plugin_components_do_not_reexport_legacy_abi_names():
     """新插件组件只提供 canonical 能力，不得复制旧 Helper、Manager 或 Oper 导出。"""
     violations: list[str] = []

tests/test_workflow_execution.py

@@ -635,7 +635,7 @@ def test_workflow_chain_process_serializes_circular_context(monkeypatch):
     fake_oper = _FakeWorkflowOper(workflow)
 
     monkeypatch.setattr(workflow_module, "get_workflow_manager", lambda: fake_manager)
-    monkeypatch.setattr(workflow_module, "WorkflowOper", lambda: fake_oper)
+    monkeypatch.setattr(workflow_module, "get_chain_workflow_port", lambda: fake_oper)
     monkeypatch.setattr(workflow_module.global_vars, "workflow_resume", lambda workflow_id: None)
     monkeypatch.setattr(workflow_module.global_vars, "is_workflow_stopped", lambda workflow_id: False)
 

tests/test_workflow_runtime_config.py

@@ -123,7 +123,7 @@ def test_add_subscribe_uses_superuser_from_chain_snapshot(monkeypatch):
     monkeypatch.setattr(add_subscribe_module.global_vars, "is_workflow_stopped", lambda _: False)
     monkeypatch.setattr(
         add_subscribe_module,
-        "SubscribeOper",
+        "get_chain_subscribe_port",
         lambda: SimpleNamespace(get=lambda sid: sid),
     )