chore: establish learning module baseline

OpenMAIC/render-service/vitest.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    include: ['test/**/*.test.ts'],
+    // Node environment: these test the service's server-side boundaries
+    // (unzip limits, admission arithmetic, body caps), no DOM needed.
+    environment: 'node',
+  },
+});