refactor(structure): reorganize app layout

BREAKING CHANGE: root backend/frontend directories and old run/manage entrypoints were removed. Use apps/backend, apps/frontend, and python main.py commands instead.

apps/frontend/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview",
+    "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs --fix",
+    "format": "prettier --write ."
+  },
+  "dependencies": {
+    "@ant-design/icons-vue": "^7.0.1",
+    "ant-design-vue": "^4.2.6",
+    "axios": "^1.13.4",
+    "pinia": "^3.0.4",
+    "vue": "^3.5.27",
+    "vue-router": "^4.6.4"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.2",
+    "@vitejs/plugin-vue": "^6.0.3",
+    "@vue/eslint-config-prettier": "^10.2.0",
+    "autoprefixer": "^10.4.23",
+    "eslint": "^9.39.2",
+    "eslint-plugin-vue": "^10.7.0",
+    "postcss": "^8.5.6",
+    "prettier": "^3.8.1",
+    "tailwindcss": "^3.4.19",
+    "vite": "^7.3.1"
+  }
+}