Implemented durable workflow/job foundation

src/kontextual_engine/__init__.py

@@ -58,6 +58,14 @@ from .core import (
     TransformationRun,
     TransformationRunStatus,
     VersionChangeType,
+    WorkflowInputDefinition,
+    WorkflowInputKind,
+    WorkflowRun,
+    WorkflowRunStatus,
+    WorkflowStepDefinition,
+    WorkflowStepRun,
+    WorkflowStepRunStatus,
+    WorkflowTemplate,
 )
 from .errors import (
     AdapterUnavailableError,
@@ -109,6 +117,9 @@ from .services import (
     TransformationRequest,
     TransformationRunResult,
     TransformationService,
+    WorkflowInvocation,
+    WorkflowRunResult,
+    WorkflowService,
     default_transformation_registry,
 )
 from .storage import InMemoryKnowledgeRepository
@@ -232,7 +243,18 @@ __all__ = [
     "TransformationService",
     "ValidationError",
     "VersionChangeType",
+    "WorkflowInputDefinition",
+    "WorkflowInputKind",
+    "WorkflowInvocation",
+    "WorkflowRun",
+    "WorkflowRunResult",
+    "WorkflowRunStatus",
+    "WorkflowService",
     "WorkflowStep",
+    "WorkflowStepDefinition",
+    "WorkflowStepRun",
+    "WorkflowStepRunStatus",
+    "WorkflowTemplate",
     "bundle_digest",
     "content_digest",
     "default_transformation_registry",