chore: 初始化前端项目脚手架与构建配置

Vue 3 + TypeScript + Vite 工程配置，包含 package.json、tsconfig、vite.config.ts 及 .gitignore（忽略 node_modules/dist/自动生成类型声明）。

frontend/package.json

@@ -0,0 +1,41 @@
+{
+  "name": "yg-ft-platform-frontend",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vue-tsc -b && vite build",
+    "preview": "vite preview",
+    "type-check": "vue-tsc -b --noEmit",
+    "test:data-process-wizard": "node scripts/regression-data-process-wizard.mjs",
+    "test:model-manage": "node scripts/regression-model-manage.mjs",
+    "test:training-log-layout": "node scripts/regression-training-log-layout.mjs",
+    "test:page-surface": "node scripts/regression-page-surface.mjs"
+  },
+  "dependencies": {
+    "@vueuse/core": "^11.3.0",
+    "axios": "^1.7.9",
+    "chart.js": "^4.4.7",
+    "dompurify": "^3.2.3",
+    "echarts": "^6.1.0",
+    "element-plus": "^2.9.1",
+    "marked": "^15.0.5",
+    "md-editor-v3": "^5.1.4",
+    "pinia": "^2.3.0",
+    "vue": "^3.5.13",
+    "vue-echarts": "^8.0.1",
+    "vue-router": "^4.5.0"
+  },
+  "devDependencies": {
+    "@types/dompurify": "^3.0.5",
+    "@types/node": "^26.1.1",
+    "@vitejs/plugin-vue": "^5.2.1",
+    "sass": "^1.83.0",
+    "typescript": "~5.7.2",
+    "unplugin-auto-import": "^0.19.0",
+    "unplugin-vue-components": "^0.28.0",
+    "vite": "^6.0.7",
+    "vue-tsc": "^2.2.0"
+  }
+}