chore: seal Design Vision v1 and monorepo scaffold

Archive the differentiated YuXinGu product docs, AI engineering system,
design contract, and Go/Vue scaffold. Next execution prioritizes Cece-parity
over early innovation (see .ai/product/STRATEGY.md).

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

apps/user-h5/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@yuxingu/user-h5",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "typecheck": "vue-tsc --noEmit",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@yuxingu/sdk": "0.1.0",
+    "@yuxingu/types": "0.1.0",
+    "@yuxingu/ui": "0.1.0",
+    "@yuxingu/utils": "0.1.0",
+    "pinia": "^2.3.0",
+    "vue": "^3.5.13",
+    "vue-router": "^4.5.0"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.2.1",
+    "typescript": "~5.7.2",
+    "vite": "^6.0.7",
+    "vue-tsc": "^2.2.0"
+  }
+}