— Add version info utility for CI and developer use**

ts_src/utils/getLibraryVersion.ts

@@ -0,0 +1,21 @@
+/**
+ * Returns the current bitcoinjs-lib version as defined in package.json
+ * For CI checks or quick debugging in dev environments.
+ */
+
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+
+export function getLibraryVersion(): string {
+  try {
+    const pkgPath = resolve(__dirname, '../../package.json');
+    const pkg = JSON.parse(readFileSync(pkgPath, 'utf8'));
+    return pkg.version || 'unknown';
+  } catch {
+    return 'unknown';
+  }
+}
+
+if (require.main === module) {
+  console.log(`bitcoinjs-lib version: ${getLibraryVersion()}`);
+}