refactor(logging): replace console usage in auth flows

utils/error.ts

@@ -0,0 +1,15 @@
+export const normalizeError = (error: unknown): Error => {
+  if (error instanceof Error) {
+    return error;
+  }
+
+  if (typeof error === 'string') {
+    return new Error(error);
+  }
+
+  try {
+    return new Error(JSON.stringify(error));
+  } catch {
+    return new Error('Unknown error');
+  }
+};