Keep delegated agents out of workspace alerts (#1293)

* Keep delegated agents out of workspace alerts

* Share delegated agent label parsing

packages/protocol/src/agent-labels.ts

@@ -1 +1,16 @@
 export const PARENT_AGENT_ID_LABEL = "paseo.parent-agent-id";
+
+export interface AgentLabelSource {
+  labels?: Record<string, unknown> | null;
+}
+
+export function getParentAgentIdFromLabels(labels: Record<string, unknown> | null | undefined) {
+  const parentAgentId = labels?.[PARENT_AGENT_ID_LABEL];
+  return typeof parentAgentId === "string" && parentAgentId.trim().length > 0
+    ? parentAgentId.trim()
+    : null;
+}
+
+export function isDelegatedAgent(agent: AgentLabelSource): boolean {
+  return getParentAgentIdFromLabels(agent.labels) !== null;
+}