feat(workflow): orchestrate resumable dataflow handoffs

tests/test_manifest.py

@@ -5,8 +5,12 @@ import unittest
 from govoplan_workflow.backend.manifest import (
     DEFINITION_READ_SCOPE,
     DEFINITION_WRITE_SCOPE,
+    INSTANCE_START_SCOPE,
     get_manifest,
 )
+from govoplan_core.core.workflows import (
+    CAPABILITY_WORKFLOW_RUNTIME_WORKER,
+)
 
 
 class WorkflowManifestTests(unittest.TestCase):
@@ -26,6 +30,18 @@ class WorkflowManifestTests(unittest.TestCase):
             DEFINITION_WRITE_SCOPE,
             {item.scope for item in manifest.permissions},
         )
+        self.assertIn(
+            INSTANCE_START_SCOPE,
+            {item.scope for item in manifest.permissions},
+        )
+        self.assertIn(
+            "workflow.runtime_worker",
+            {item.name for item in manifest.provides_interfaces},
+        )
+        self.assertIn(
+            CAPABILITY_WORKFLOW_RUNTIME_WORKER,
+            manifest.capability_factories,
+        )
         self.assertEqual(
             "@govoplan/workflow-webui",
             manifest.frontend.package_name if manifest.frontend else None,