feat: 积分商城子页面 + 日常监测 + 统计报表 (Chunk 6)

小程序 — 积分商城 (3 新页面):
- mall/exchange: 兑换确认 (余额校验/QR码生成)
- mall/orders: 我的订单 (状态筛选/分页/QR展示)
- mall/detail: 积分明细 (余额卡片/收入支出筛选/流水列表)

小程序 — 上报 Tab 改造:
- health/daily-monitoring: 日常监测表单 (血压/体重/血糖/出入量)
- health/index: 增加快捷操作/打卡状态/近期监测卡片
- consultation: 替换占位为咨询列表 (会话/状态/未读)
- profile: 新增积分余额/打卡天数/我的订单/积分明细入口

小程序 — 新增服务:
- services/consultation.ts: 咨询会话 API
- services/points.ts: 扩展兑换/订单/流水 API
- services/health.ts: 扩展日常监测 API

PC 管理端:
- StatisticsDashboard: 统计报表仪表盘 (患者/咨询/随访/积分卡片 + Top10排行 + 快速链接)
- 侧边栏新增统计报表入口 (健康模块首页)

apps/miniprogram/src/pages/consultation/index.scss

@@ -26,7 +26,24 @@
   display: block;
 }
 
-.consultation-placeholder {
+// ---- Loading / Error / Empty ----
+
+.consultation-loading {
+  padding: 120px 0;
+}
+
+.consultation-error {
+  display: flex;
+  justify-content: center;
+  padding: 120px 40px;
+}
+
+.consultation-error-text {
+  font-size: 26px;
+  color: $dan;
+}
+
+.consultation-empty {
   display: flex;
   flex-direction: column;
   align-items: center;
@@ -34,20 +51,121 @@
   padding: 160px 40px;
 }
 
-.consultation-placeholder-icon {
+.consultation-empty-icon {
   font-size: 100px;
   margin-bottom: 32px;
 }
 
-.consultation-placeholder-text {
+.consultation-empty-text {
   font-size: 36px;
   font-weight: bold;
   color: $tx;
   margin-bottom: 16px;
 }
 
-.consultation-placeholder-hint {
+.consultation-empty-hint {
   font-size: 26px;
   color: $tx3;
   text-align: center;
 }
+
+// ---- Session List ----
+
+.consultation-list {
+  padding: 16px 24px;
+}
+
+.consultation-session {
+  display: flex;
+  align-items: center;
+  background: $card;
+  border-radius: $r;
+  padding: 24px;
+  margin-bottom: 12px;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
+  transition: transform 0.15s;
+
+  &:active {
+    transform: scale(0.98);
+  }
+}
+
+.session-left {
+  flex: 1;
+  min-width: 0;
+}
+
+.session-top {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 8px;
+}
+
+.session-subject {
+  font-size: 28px;
+  color: $tx;
+  font-weight: bold;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  flex: 1;
+  margin-right: 12px;
+}
+
+.session-status-active {
+  font-size: 22px;
+  color: $acc;
+  font-weight: 500;
+  white-space: nowrap;
+}
+
+.session-status-pending {
+  font-size: 22px;
+  color: $wrn;
+  font-weight: 500;
+  white-space: nowrap;
+}
+
+.session-status-closed {
+  font-size: 22px;
+  color: $tx3;
+  white-space: nowrap;
+}
+
+.session-message {
+  font-size: 26px;
+  color: $tx2;
+  display: block;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  margin-bottom: 8px;
+}
+
+.session-time {
+  font-size: 22px;
+  color: $tx3;
+  display: block;
+}
+
+// ---- Unread Badge ----
+
+.session-badge {
+  background: $dan;
+  border-radius: 999px;
+  min-width: 36px;
+  height: 36px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0 8px;
+  margin-left: 12px;
+  flex-shrink: 0;
+}
+
+.session-badge-text {
+  font-size: 22px;
+  color: white;
+  font-weight: bold;
+}