feat: 初始化医护端与患者端页面骨架

完成两个 Vite 应用的基础工程化配置、路由、状态管理及第一版业务页面，当前使用演示数据，尚未接入真实后端接口。

clinical-web/src/views/reports/ReportsView.vue

@@ -0,0 +1,38 @@
+<script setup lang="ts">
+const reportCards = [
+  { label: '本月签署总量', value: '2,486', note: '覆盖 18 个科室' },
+  { label: '手机签署占比', value: '78.6%', note: '试运行统计' },
+  { label: '平均签署耗时', value: '2m 18s', note: '从发起到完成' },
+]
+</script>
+
+<template>
+  <section class="page-section">
+    <div class="page-heading">
+      <div>
+        <p class="eyebrow">数据观察</p>
+        <h2>统计报表</h2>
+        <p>查看签署量、渠道、科室和异常任务统计。</p>
+      </div>
+      <button class="secondary-button" type="button">导出报表</button>
+    </div>
+
+    <el-row :gutter="16" class="stats-row">
+      <el-col v-for="card in reportCards" :key="card.label" :xs="24" :sm="8">
+        <el-card shadow="never" class="stat-card report-card">
+          <span>{{ card.label }}</span>
+          <strong>{{ card.value }}</strong>
+          <small>{{ card.note }}</small>
+        </el-card>
+      </el-col>
+    </el-row>
+
+    <el-card shadow="never" class="content-card report-placeholder">
+      <div class="empty-chart">
+        <div class="chart-icon">↗</div>
+        <h3>趋势图表将在接入真实数据后展示</h3>
+        <p>当前页面用于确认报表入口和信息层级，暂使用演示数据。</p>
+      </div>
+    </el-card>
+  </section>
+</template>