chore: check extension version on connect (#907)

src/extension/cdpRelay.ts

@@ -29,6 +29,8 @@ import { WebSocket, WebSocketServer } from 'ws';
 import { httpAddressToString } from '../mcp/http.js';
 import { logUnhandledError } from '../utils/log.js';
 import { ManualPromise } from '../utils/manualPromise.js';
+import { packageJSON } from '../utils/package.js';
+
 import type websocket from 'ws';
 import type { ClientInfo } from '../browserContextFactory.js';
 
@@ -113,7 +115,12 @@ export class CDPRelayServer {
     // Need to specify "key" in the manifest.json to make the id stable when loading from file.
     const url = new URL('chrome-extension://jakfalbnbhgkpmoaakfflhflbfpkailf/connect.html');
     url.searchParams.set('mcpRelayUrl', mcpRelayEndpoint);
-    url.searchParams.set('client', JSON.stringify(clientInfo));
+    const client = {
+      name: clientInfo.name,
+      version: clientInfo.version,
+    };
+    url.searchParams.set('client', JSON.stringify(client));
+    url.searchParams.set('pwMcpVersion', packageJSON.version);
     const href = url.toString();
     const executableInfo = registry.findExecutable(this._browserChannel);
     if (!executableInfo)