Refactor calculating score. Add sort node for vanity

agent/nodes/sort.ts

@@ -0,0 +1,20 @@
+import { GraphNode } from "@langchain/langgraph";
+import { MessagesState } from "../state";
+import { AIMessage } from "@langchain/core/messages";
+export const sort: GraphNode<typeof MessagesState> = async (state) => {
+  //not sure which will be better from API, just do both
+
+  let current = state.proposedTriggerEvent;
+  current.sort((a, b) => ((b.score as number) ?? 0) - ((a.score as number) ?? 0));
+
+
+  const displayVersion = current.map((item) => ({
+    event: item.Event,
+    reasoningWhyRelevant: item.ReasoningWhyRelevant,
+    score: item.score ?? 0,
+  }));
+
+  let message = new AIMessage(JSON.stringify(displayVersion))
+
+  return { proposedTriggerEvent: current, messages: [message] };
+};