chore: 更新前端依赖和侧边栏导航

- 添加必要的前端依赖
- 优化侧边栏交互
- 更新 AI-Core API 文档

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/package.json

@@ -9,10 +9,15 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@vue-office/docx": "^1.6.3",
+    "@vue-office/excel": "^1.7.14",
     "echarts": "^6.0.0",
     "element-plus": "^2.13.3",
+    "marked": "^17.0.4",
+    "papaparse": "^5.5.3",
     "pinia": "^2.1.7",
     "vue": "^3.4.21",
+    "vue-demi": "^0.14.10",
     "vue-router": "^4.3.0"
   },
   "devDependencies": {