Heartbeat defaults and ws guard; format

src/web/auto-reply.ts

@@ -45,7 +45,7 @@ export type WebMonitorTuning = {
 const formatDuration = (ms: number) =>
   ms >= 1000 ? `${(ms / 1000).toFixed(2)}s` : `${ms}ms`;
 
-const DEFAULT_REPLY_HEARTBEAT_MINUTES = 10;
+const DEFAULT_REPLY_HEARTBEAT_MINUTES = 30;
 export const HEARTBEAT_TOKEN = "HEARTBEAT_OK";
 export const HEARTBEAT_PROMPT = "HEARTBEAT ultrathink";
 

src/web/session.ts

@@ -90,7 +90,10 @@ export async function createWaSocket(printQr: boolean, verbose: boolean) {
   );
 
   // Handle WebSocket-level errors to prevent unhandled exceptions from crashing the process
-  if (sock.ws) {
+  if (
+    sock.ws &&
+    typeof (sock.ws as unknown as { on?: unknown }).on === "function"
+  ) {
     sock.ws.on("error", (err: Error) => {
       sessionLogger.error({ error: String(err) }, "WebSocket error");
     });