support referen workflow output (#4414)

skyvern-frontend/src/routes/workflows/editor/panels/WorkflowParameterEditPanel.tsx

@@ -73,7 +73,12 @@ function WorkflowParameterEditPanel({
   onSave,
   initialValues,
 }: Props) {
-  const reservedKeys = ["current_item", "current_value", "current_index"];
+  const reservedKeys = [
+    "current_item",
+    "current_value",
+    "current_index",
+    "workflow_run_outputs",
+  ];
   const isCloud = useContext(CloudContext);
   const isEditMode = !!initialValues;
   const [key, setKey] = useState(initialValues?.key ?? "");

skyvern/forge/sdk/workflow/context_manager.py

@@ -174,6 +174,7 @@ class WorkflowRunContext:
         self.parameters: dict[str, PARAMETER_TYPE] = {}
         self.values: dict[str, Any] = {}
         self.secrets: dict[str, Any] = {}
+        self.workflow_run_outputs: dict[str, Any] = {}
         self._aws_client = aws_client
         self.organization_id: str | None = None
         self.include_secrets_in_templates: bool = False
@@ -895,6 +896,7 @@ class WorkflowRunContext:
                 LOG.warning(f"Parameter {block_label} already has a value in workflow run context, overwriting")
 
         self.values[block_label] = block_reference_value
+        self.workflow_run_outputs[block_label] = block_reference_value
 
     async def set_parameter_values_for_output_parameter_dependent_blocks(
         self,

skyvern/forge/sdk/workflow/models/block.py

@@ -318,6 +318,8 @@ class Block(BaseModel, abc.ABC):
         if "workflow_run_id" not in template_data:
             template_data["workflow_run_id"] = workflow_run_context.workflow_run_id
 
+        template_data["workflow_run_outputs"] = workflow_run_context.workflow_run_outputs
+
         if settings.WORKFLOW_TEMPLATING_STRICTNESS == "strict":
             if missing_variables := get_missing_variables(potential_template, template_data):
                 raise MissingJinjaVariables(