fix: respect npm_config_registry for update checks

Use the npm_config_registry env var (set by npm when invoked
via npx with custom registry config) instead of hardcoding
registry.npmjs.org. Falls back to the default public registry
when the env var is not set.

Fixes #1943

Author: Will-hxw

src/bin/check-latest-version.ts

@@ -12,8 +12,11 @@ const cachePath = process.argv[2];
 
 if (cachePath) {
   try {
+    const registry =
+      process.env.npm_config_registry?.replace(/\/$/, '') ||
+      'https://registry.npmjs.org';
     const response = await fetch(
-      'https://registry.npmjs.org/chrome-devtools-mcp/latest',
+      `${registry}/chrome-devtools-mcp/latest`,
     );
     const data = response.ok ? await response.json() : null;