Refresh player with native block editor preview and local assets

Preserve shortcode rendering, normalize options, bundle the player locally,
and add reproducible packaging and WordPress integration tests.

package.json

@@ -0,0 +1,28 @@
+{
+  "name": "wp-asciiplayer",
+  "version": "1.1.0",
+  "private": true,
+  "description": "Native WordPress asciicast block with real playback previews and compatible shortcodes",
+  "type": "module",
+  "license": "GPL-3.0-only",
+  "engines": {
+    "node": ">=22.22.2"
+  },
+  "scripts": {
+    "build": "wp-scripts build --config webpack.config.cjs && node scripts/vendor.mjs && node scripts/verify-build.mjs",
+    "start": "wp-scripts start --config webpack.config.cjs",
+    "test": "node --test tests/js/*.test.js",
+    "test:php": "php tests/php/run.php",
+    "test:e2e": "playwright test",
+    "wp-env": "wp-env",
+    "package": "node scripts/package.mjs"
+  },
+  "dependencies": {
+    "asciinema-player": "3.17.0"
+  },
+  "devDependencies": {
+    "@playwright/test": "1.64.0",
+    "@wordpress/env": "11.17.0",
+    "@wordpress/scripts": "36.1.0"
+  }
+}