refactor: extract version in a seprate file

release-please-config.json

@@ -18,7 +18,7 @@
       "extra-files": [
         {
           "type": "generic",
-          "path": "src/main.ts"
+          "path": "src/version.ts"
         },
         {
           "type": "json",

src/daemon/daemon.ts

@@ -15,6 +15,7 @@ import {StdioClientTransport} from '@modelcontextprotocol/sdk/client/stdio.js';
 
 import {logger} from '../logger.js';
 import {PipeTransport} from '../third_party/index.js';
+import {VERSION} from '../version.js';
 
 import {
   getSocketPath,
@@ -43,8 +44,7 @@ async function setupMCPClient() {
   mcpClient = new Client(
     {
       name: 'chrome-devtools-cli-daemon',
-      // TODO: handle client version (optional).
-      version: '0.1.0',
+      version: VERSION,
     },
     {
       capabilities: {},

src/main.ts

@@ -30,11 +30,7 @@ import {ToolCategory} from './tools/categories.js';
 import {tools as slimTools} from './tools/slim/tools.js';
 import type {ToolDefinition} from './tools/ToolDefinition.js';
 import {tools} from './tools/tools.js';
-
-// If moved update release-please config
-// x-release-please-start-version
-const VERSION = '0.17.3';
-// x-release-please-end
+import {VERSION} from './version.js';
 
 export const args = parseArguments(VERSION);
 

src/version.ts

@@ -0,0 +1,10 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// If moved update release-please config
+// x-release-please-start-version
+export const VERSION = '0.17.3';
+// x-release-please-end