feat(engine): add tests for VERSION and REVISION from package.json

Author: kalwalt

tests/engine-version.test.js

@@ -0,0 +1,11 @@
+import { describe, it, expect } from 'vitest';
+import { Engine } from '../src/core/engine.js';
+import pkg from '../package.json';
+
+describe('Engine version', () => {
+  it('exposes VERSION and REVISION matching package version', () => {
+    expect(typeof Engine.VERSION).toBe('string');
+    expect(Engine.VERSION).toBe(pkg.version);
+    expect(Engine.REVISION).toBe(Engine.VERSION);
+  });
+});