feat: add workflow action runtime policies

frontend/src/components/workflow/specs.ts

@@ -10,6 +10,8 @@ export type WorkflowNodeType = "start" | "agent" | "action" | "handoff" | "end";
 export type ContextPolicy = "inherit" | "fresh";
 export type KnowledgeMode = "automatic" | "on_demand" | "disabled";
 export type AgentEntryMode = "wait_user" | "generate" | "fixed_speech";
+export type ActionResultAssignmentMode = "inherit" | "override" | "none";
+export type ActionUserInputPolicy = "queue" | "block";
 export type EdgeMode = "llm" | "expression" | "always";
 export type ExpressionOperator =
   | "eq"
@@ -44,7 +46,9 @@ export type WorkflowNodeData = {
   turnConfig?: TurnConfig;
   toolId?: string;
   arguments?: Record<string, unknown>;
+  resultAssignmentMode?: ActionResultAssignmentMode;
   resultAssignments?: Record<string, string>;
+  userInputPolicy?: ActionUserInputPolicy;
   targetType?: "ai" | "human" | "queue" | "phone";
   target?: string;
   message?: string;
@@ -52,6 +56,33 @@ export type WorkflowNodeData = {
   [key: string]: unknown;
 };
 
+/**
+ * Resolve how an Action writes tool results while preserving workflows saved
+ * before resultAssignmentMode existed. Those nodes explicitly passed an empty
+ * mapping at runtime, so an absent/empty mapping means "none", not "inherit".
+ */
+export function actionResultAssignmentMode(
+  data: WorkflowNodeData,
+): ActionResultAssignmentMode {
+  if (
+    data.resultAssignmentMode === "inherit" ||
+    data.resultAssignmentMode === "override" ||
+    data.resultAssignmentMode === "none"
+  ) {
+    return data.resultAssignmentMode;
+  }
+  return Object.keys(data.resultAssignments ?? {}).length > 0
+    ? "override"
+    : "none";
+}
+
+/** Older Action nodes allowed input to continue, which matches queue. */
+export function actionUserInputPolicy(
+  data: WorkflowNodeData,
+): ActionUserInputPolicy {
+  return data.userInputPolicy === "block" ? "block" : "queue";
+}
+
 export type ExpressionRule = {
   variable: string;
   operator: ExpressionOperator;