perf(component): ⚡ 优化虚拟列表的滚动和性能

增加vitest来做单元测试

package.json

@@ -39,7 +39,11 @@
     "========= 发版 =========": "",
     "release": "release-it",
     "========= commit后再次添加修改到上一次的commit =========": "",
-    "addition-commit": "git add . && git commit --amend --no-edit"
+    "addition-commit": "git add . && git commit --amend --no-edit",
+    "========= 单元测试 =========": "",
+    "test": "vitest",
+    "========= 使用 vitest UI =========": "",
+    "test:ui": "vitest --ui"
   },
   "dependencies": {
     "@actions/github": "^6.0.0",
@@ -87,6 +91,9 @@
     "@unocss/vite": "^0.65.1",
     "@vitejs/plugin-vue": "^5.2.1",
     "@vitejs/plugin-vue-jsx": "^4.1.1",
+    "@vitest/coverage-v8": "^2.1.8",
+    "@vitest/ui": "^2.1.8",
+    "@vue/test-utils": "^2.4.6",
     "@vueuse/core": "^12.0.0",
     "commitizen": "^4.3.1",
     "cz-git": "^1.11.0",
@@ -95,17 +102,18 @@
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-vue": "^9.27.0",
+    "happy-dom": "^12.10.3",
     "husky": "^9.0.11",
     "lint-staged": "^15.2.7",
     "oxlint": "^0.2.18",
     "prettier": "^3.3.2",
     "release-it": "^17.10.0",
     "sass": "1.83.0",
-    "shiki": "^1.24.2",
     "typescript": "^5.7.2",
     "unplugin-auto-import": "^0.18.6",
     "unplugin-vue-components": "^0.27.5",
     "vite": "6.0.3",
+    "vitest": "^2.1.8",
     "vue-tsc": "^2.1.10"
   },
   "config": {