fixed UUID creation bug when accessing master over network

web/main.js

@@ -50,6 +50,19 @@ class DistributedExtension {
         }
     }
 
+    // Generate UUID with fallback for non-secure contexts
+    generateUUID() {
+        if (crypto.randomUUID) {
+            return crypto.randomUUID();
+        }
+        // Fallback for non-secure contexts
+        return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+            const r = Math.random() * 16 | 0;
+            const v = c == 'x' ? r : (r & 0x3 | 0x8);
+            return v.toString(16);
+        });
+    }
+
     injectStyles() {
         const styleId = 'distributed-styles';
         if (!document.getElementById(styleId)) {
@@ -1054,8 +1067,8 @@ class DistributedExtension {
     }
 
     async addNewWorker() {
-        // Generate new worker ID using UUID
-        const newId = crypto.randomUUID();
+        // Generate new worker ID using UUID (fallback for non-secure contexts)
+        const newId = this.generateUUID();
         
         // Find next available port
         const usedPorts = this.config.workers.map(w => w.port);