Add WASM parser and Vue dissector UI.

Ship a working HexPigeon: typed binary parsing in Rust/WASM, a three-pane frontend, and unit tests covering the field types.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "hex-pigeon-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "vite",
+    "build": "vue-tsc --noEmit && vite build",
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "build:wasm": "cd ../parser-wasm && wasm-pack build --target web --out-dir ../frontend/src/wasm"
+  },
+  "dependencies": {
+    "vue": "^3.4.0",
+    "pinia": "^2.1.7",
+    "@codemirror/view": "^6.26.3",
+    "@codemirror/state": "^6.4.1",
+    "@codemirror/lang-json": "^6.0.1",
+    "@codemirror/theme-one-dark": "^6.1.2",
+    "js-yaml": "^4.1.0"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.4",
+    "typescript": "^5.4.5",
+    "vite": "^5.2.11",
+    "vitest": "^2.1.8",
+    "vue-tsc": "^2.0.13",
+    "vite-plugin-wasm": "^3.3.0",
+    "vite-plugin-top-level-await": "^1.4.4"
+  }
+}