feat(workflow): orchestrate resumable dataflow handoffs

src/govoplan_workflow/backend/node_library.py

@@ -243,6 +243,12 @@ WORKFLOW_NODE_TYPES = (
         input_ports=(DefinitionPort(id="input", label="Input"),),
         output_ports=(
             DefinitionPort(id="success", label="Success", required=False),
+            DefinitionPort(id="warning", label="Warning", required=False),
+            DefinitionPort(
+                id="review_required",
+                label="Review required",
+                required=False,
+            ),
             DefinitionPort(id="failure", label="Failure", required=False),
         ),
         config_fields=(
@@ -294,6 +300,12 @@ WORKFLOW_NODE_TYPES = (
         input_ports=(DefinitionPort(id="input", label="Input"),),
         output_ports=(
             DefinitionPort(id="success", label="Success", required=False),
+            DefinitionPort(id="warning", label="Warning", required=False),
+            DefinitionPort(
+                id="review_required",
+                label="Review required",
+                required=False,
+            ),
             DefinitionPort(id="failure", label="Failure", required=False),
         ),
         config_fields=(
@@ -303,9 +315,59 @@ WORKFLOW_NODE_TYPES = (
                 kind="dataflow",
                 required=True,
             ),
+            DefinitionConfigField(
+                id="revision",
+                label="Pinned revision",
+                kind="number",
+                required=True,
+            ),
+            DefinitionConfigField(
+                id="environment",
+                label="Environment",
+                kind="select",
+                required=True,
+                options=(
+                    ("development", "Development"),
+                    ("staging", "Staging"),
+                    ("production", "Production"),
+                ),
+            ),
+            DefinitionConfigField(
+                id="row_limit",
+                label="Output row limit",
+                kind="number",
+                required=True,
+            ),
+            DefinitionConfigField(
+                id="publication_target_ref",
+                label="Publication datasource",
+                kind="text",
+                description=(
+                    "Optional stable Datasource target for materialized "
+                    "output."
+                ),
+            ),
+            DefinitionConfigField(
+                id="warning_policy",
+                label="Warnings",
+                kind="select",
+                required=True,
+                options=(
+                    ("review", "Require review"),
+                    ("continue", "Continue"),
+                ),
+            ),
             DefinitionConfigField(id="input_mapping", label="Input mapping", kind="mapping"),
         ),
-        default_config={"pipeline_ref": "", "input_mapping": {}},
+        default_config={
+            "pipeline_ref": "",
+            "revision": 1,
+            "environment": "development",
+            "row_limit": 500,
+            "publication_target_ref": "",
+            "warning_policy": "review",
+            "input_mapping": {},
+        },
     ),
     DefinitionNodeType(
         type="workflow.end.completed",