chore: remove all trend indicators from StatCards

package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@google/genai": "^1.29.0",
     "@tailwindcss/vite": "^4.1.14",
-    "@vitejs/plugin-react": "^5.0.4",
+    "@vitejs/plugin-react": "^5.2.0",
     "clsx": "^2.1.1",
     "dotenv": "^17.2.3",
     "express": "^4.21.2",

src/components/views/EfficiencyView.tsx

@@ -60,7 +60,6 @@ export function EfficiencyView() {
           value="~4.2 小时"
           subValue="主要由预约时限测算出的无效排队节省时间"
           icon={Clock}
-          trend={-42}
         />
         <StatCard
           title="平均承载饱和度 (预估)"

src/components/views/OverallView.tsx

@@ -51,14 +51,12 @@ export function OverallView() {
           value="65 单"
           subValue="嘉锦与嘉燃双核驱动，占据主流"
           icon={Calendar}
-          trend={-47}
         />
         <StatCard
           title="现阶段活跃运营站点"
           value="8 个"
           subValue="覆盖嘉燃、嘉锦、嘉燃经开、如皋、桐乡、花桥、常熟、嘉善"
           icon={MapPin}
-          trend={14}
         />
         <StatCard
           title="近期活跃司机数量"

src/components/views/UsersView.tsx

@@ -46,7 +46,6 @@ export function UsersView() {
           value="59 %"
           subValue="公司自营与核心车队"
           icon={Users}
-          trend={-36}
         />
         <StatCard
           title="近期最佳外拓来源区"