feat(mp): 连接M2手环后自动测量5项指标 + 修复仪表盘数值不可见

- 连接认证成功后自动依次测量心率→血氧→血压→体温→压力
- 列表式进度UI展示每项指标状态（等待/测量中/完成/跳过）
- 总进度条百分比实时更新
- 测量完成后保存结果并显示'查看结果并返回'按钮
- 支持取消自动测量，已测得的数据不丢失
- 修复仪表盘中心区域缺少背景色导致数值与底色混淆不可见

apps/miniprogram/native/pkg-veepoo/index.wxss

@@ -111,6 +111,161 @@ page {
 /* ═══════════════════════════════════════
    测量页面（就绪态）
    ═══════════════════════════════════════ */
+
+/* ═══ 自动测量进度 ═══ */
+.auto-measure {
+  padding: 24px 20px 40px;
+}
+
+.auto-measure__header {
+  text-align: center;
+  margin-bottom: 28px;
+}
+
+.auto-measure__title {
+  display: block;
+  font-family: Georgia, 'Times New Roman', serif;
+  font-size: 24px;
+  font-weight: 700;
+  color: var(--tx);
+  margin-bottom: 8px;
+}
+
+.auto-measure__subtitle {
+  display: block;
+  font-size: 14px;
+  color: var(--tx3);
+}
+
+.auto-measure__list {
+  background: var(--card);
+  border-radius: 16px;
+  box-shadow: 0 2px 12px rgba(45,42,38,0.06);
+  overflow: hidden;
+}
+
+.auto-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16px 20px;
+  border-bottom: 1px solid var(--bd);
+  transition: background 200ms ease;
+}
+
+.auto-item:last-child {
+  border-bottom: none;
+}
+
+.auto-item--active {
+  background: rgba(196,98,58,0.04);
+}
+
+.auto-item--done {
+  background: rgba(91,122,94,0.04);
+}
+
+.auto-item--error {
+  opacity: 0.6;
+}
+
+.auto-item__left {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+}
+
+.auto-item__icon-wrap {
+  width: 40px;
+  height: 40px;
+  border-radius: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.auto-item--done .auto-item__icon-wrap {
+  background: var(--acc) !important;
+}
+
+.auto-item--error .auto-item__icon-wrap {
+  background: var(--tx3) !important;
+}
+
+.auto-item__icon {
+  font-size: 18px;
+  color: #fff;
+  font-weight: 700;
+}
+
+.auto-item__label {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--tx);
+}
+
+.auto-item__right {
+  display: flex;
+  align-items: baseline;
+  gap: 4px;
+}
+
+.auto-item__value {
+  font-family: Georgia, 'Times New Roman', serif;
+  font-size: 22px;
+  font-weight: 700;
+}
+
+.auto-item__unit {
+  font-size: 13px;
+  color: var(--tx3);
+}
+
+.auto-item__status {
+  font-size: 14px;
+  color: var(--tx3);
+}
+
+.auto-item__status--active {
+  color: var(--pri);
+  font-weight: 600;
+}
+
+.auto-item__status--error {
+  color: var(--tx3);
+}
+
+/* ── 自动测量进度条 ── */
+.auto-progress {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-top: 24px;
+  padding: 0 4px;
+}
+
+.auto-progress__bar {
+  flex: 1;
+  height: 6px;
+  background: var(--bd);
+  border-radius: 3px;
+  overflow: hidden;
+}
+
+.auto-progress__fill {
+  height: 100%;
+  background: var(--pri);
+  border-radius: 3px;
+  transition: width 0.5s ease-out;
+}
+
+.auto-progress__text {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--pri);
+  min-width: 36px;
+  text-align: right;
+}
 .measure-page {
   min-height: 100vh;
   padding-bottom: 40px;
@@ -279,6 +434,8 @@ page {
   flex-direction: column;
   align-items: center;
   justify-content: center;
+  background: var(--bg);
+  border-radius: 50%;
 }
 
 .gauge__icon-lg {