refactor(plugin-grid): read NODE_ENV in the undeclared-name warning without an any cast

Claude-Session: https://claude.ai/code/session_01Utp6CZ1rxZPzain2p5bv5x
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

ui/packages/plugin-grid/src/undeclaredActionNames.ts

@@ -68,7 +68,8 @@ export function describeUndeclaredActionNames(
 }
 
 function isDevelopment(): boolean {
-  return (globalThis as any).process?.env?.NODE_ENV !== 'production';
+  const env = (globalThis as { process?: { env?: { NODE_ENV?: string } } }).process?.env;
+  return env?.NODE_ENV !== 'production';
 }
 
 /**