Update

web/server.js

@@ -20,6 +20,21 @@ let state = {
   connected: false,
 };
 
+// --- Helpers ---
+
+/** Recursively convert Map objects (from useMap decode) to plain objects */
+function mapToObj(val) {
+  if (val instanceof Map) {
+    const obj = {};
+    for (const [k, v] of val) {
+      if (typeof k === "string" || typeof k === "number") obj[k] = mapToObj(v);
+    }
+    return obj;
+  }
+  if (Array.isArray(val)) return val.map(mapToObj);
+  return val;
+}
+
 // --- Wire protocol ---
 
 function buildFrame(msg) {
@@ -60,7 +75,11 @@ function parseFrames(buffer) {
     try {
       messages.push(decode(payload));
     } catch {
-      // skip malformed msgpack
+      try {
+        messages.push(mapToObj(decode(payload, { useMap: true })));
+      } catch {
+        // skip truly malformed msgpack
+      }
     }
     offset += 8 + len;
   }