feat: 评测模块新增详情页与创建向导

新增 EvalTaskDetail 与逐样本结果类型，Mock 与适配器补充评测详情接口，路由注册详情页并将维度创建并入向导；EvalCreateView 改为分步向导（任务配置、规则设置、维度表单），新增 EvalDetailView 展示综合得分与样本判定，列表补充详情入口，配套两份回归脚本。

frontend/src/router/index.ts

@@ -46,11 +46,16 @@ const routes: RouteRecordRaw[] = [
         component: () => import('@/views/eval/EvalCreateView.vue'),
         meta: { title: '新建评测' },
       },
+      {
+        path: 'model-eval/:id',
+        name: 'model-eval-detail',
+        component: () => import('@/views/eval/EvalDetailView.vue'),
+        meta: { title: '评测详情' },
+      },
       {
         path: 'model-eval/dimension/create',
         name: 'dimension-create',
-        component: () => import('@/views/eval/DimensionCreateView.vue'),
-        meta: { title: '添加评测维度' },
+        redirect: '/model-eval/create',
       },
       {
         path: 'model-eval/dimension/:id/edit',