Major refactor: Multi-user Chrome MCP extension with remote server architecture

app/remote-server/test-sse-client.js

@@ -0,0 +1,85 @@
+/**
+ * Test client for SSE (Server-Sent Events) streaming connection
+ */
+
+import { EventSource } from 'eventsource';
+import fetch from 'node-fetch';
+
+const SERVER_URL = 'http://localhost:3001';
+const SSE_URL = `${SERVER_URL}/sse`;
+const MESSAGES_URL = `${SERVER_URL}/messages`;
+
+console.log('🔌 Testing SSE streaming connection...');
+
+let sessionId = null;
+
+// Create SSE connection
+const eventSource = new EventSource(SSE_URL);
+
+eventSource.onopen = () => {
+  console.log('✅ SSE connection established!');
+};
+
+eventSource.onmessage = (event) => {
+  try {
+    const data = JSON.parse(event.data);
+    console.log('📨 Received SSE message:', JSON.stringify(data, null, 2));
+
+    // Extract session ID from the first message
+    if (data.sessionId && !sessionId) {
+      sessionId = data.sessionId;
+      console.log(`🆔 Session ID: ${sessionId}`);
+
+      // Test listing tools after connection is established
+      setTimeout(() => testListTools(), 1000);
+    }
+  } catch (error) {
+    console.log('📨 Received SSE data:', event.data);
+  }
+};
+
+eventSource.onerror = (error) => {
+  console.error('❌ SSE error:', error);
+};
+
+async function testListTools() {
+  if (!sessionId) {
+    console.error('❌ No session ID available');
+    return;
+  }
+
+  console.log('📋 Testing tools/list via SSE...');
+
+  const message = {
+    jsonrpc: '2.0',
+    id: 1,
+    method: 'tools/list',
+    params: {},
+  };
+
+  try {
+    const response = await fetch(MESSAGES_URL, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'X-Session-ID': sessionId,
+      },
+      body: JSON.stringify(message),
+    });
+
+    if (!response.ok) {
+      console.error('❌ Failed to send message:', response.status, response.statusText);
+    } else {
+      console.log('✅ Message sent successfully');
+    }
+  } catch (error) {
+    console.error('❌ Error sending message:', error);
+  }
+}
+
+// Close connection after 10 seconds
+setTimeout(() => {
+  console.log('⏰ Closing SSE connection...');
+  eventSource.close();
+  process.exit(0);
+}, 10000);