refactor: reorganize feature modules with consistent naming conventions and flattened structure

src/features/auth/auth.js

@@ -0,0 +1,22 @@
+import {
+  register as _register,
+  resetPassword as _resetPassword,
+  login,
+  requestPasswordReset,
+  verifyUserEmail,
+  updateUser
+} from '../../../core/users/auth.js';
+import { sendPasswordChangedEmail } from './email.js';
+
+// Inject email sending into register (verification email) — kept here because
+// it depends on JSX templates that live in features/auth.
+export function register(userData) {
+  return _register(userData);
+}
+
+// Inject sendPasswordChangedEmail — the template lives in features/auth.
+export function resetPassword(resetData) {
+  return _resetPassword(resetData, { onPasswordChanged: sendPasswordChangedEmail });
+}
+
+export { login, requestPasswordReset, verifyUserEmail, updateUser };