Add native Crystal exploration port and reference tooling

package.json

@@ -0,0 +1,29 @@
+{
+  "name": "crystal-web",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "engines": {
+    "node": ">=22.12.0"
+  },
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc --noEmit && vite build",
+    "preview": "vite preview --host 127.0.0.1",
+    "build:reference": "tsc --noEmit && vite build --mode reference",
+    "test": "vitest run",
+    "test:e2e": "playwright test",
+    "check:vendor": "node scripts/check-vendor.mjs",
+    "check:release": "node scripts/check-release.mjs",
+    "check:reference": "node scripts/check-reference.mjs"
+  },
+  "devDependencies": {
+    "@playwright/test": "1.63.0",
+    "@types/node": "26.6.2",
+    "fake-indexeddb": "6.2.5",
+    "prettier": "3.9.8",
+    "typescript": "7.0.2",
+    "vite": "8.3.0",
+    "vitest": "5.0.1"
+  }
+}