Phase 1+2: Nx workspace with apps, libs, and module boundaries

apps/overlay-e2e/eslint.config.mjs

@@ -0,0 +1,12 @@
+import playwright from 'eslint-plugin-playwright';
+import baseConfig from '../../eslint.config.mjs';
+
+export default [
+  playwright.configs['flat/recommended'],
+  ...baseConfig,
+  {
+    files: ['**/*.ts', '**/*.js'],
+    // Override or add rules here
+    rules: {},
+  },
+];