base con front

public/lib/sse.js

@@ -0,0 +1,13 @@
+import { emit } from "./bus.js";
+
+export function connectSSE() {
+  const es = new EventSource("/stream");
+
+  es.addEventListener("hello", () => emit("sse:status", { ok: true }));
+  es.addEventListener("conversation.upsert", (e) => emit("conversation:upsert", JSON.parse(e.data)));
+  es.addEventListener("run.created", (e) => emit("run:created", JSON.parse(e.data)));
+
+  es.onerror = () => emit("sse:status", { ok: false });
+
+  return es;
+}