init: 毛孩子计划 小程序 + Go 后端 + 内嵌后台

- pets-fe: 微信原生小程序（首页/计划/记录/报告/社区/引导），
  服务端驱动、无假数据；弹层改用 scroll-view，打开时隐藏自定义 tabBar
- pets-be: Gin + GORM(MySQL, sundynix_ 前缀) + MinIO，统一响应/分页，
  微信 code2session 登录，provider-neutral AI(DeepSeek)，go:embed React 后台
- 修复：分段选择类型不匹配（字符串 vs 数字）导致选不中

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

pets-fe/pages/record/record.wxss

@@ -0,0 +1,32 @@
+.page-body{padding:8rpx 40rpx calc(210rpx + env(safe-area-inset-bottom))}
+.pt-h2{font-size:46rpx;letter-spacing:-.6rpx;font-weight:800}
+.pt-p{color:var(--muted);font-size:26rpx;margin-top:10rpx}
+
+.record-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24rpx;margin-bottom:28rpx}
+.record-item{
+  height:184rpx;background:#fff;border-radius:44rpx;box-shadow:var(--shadow);
+  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16rpx;
+  font-weight:900;color:var(--text);font-size:28rpx;
+}
+.ri-ic{font-size:56rpx}
+
+.mini-chart{
+  height:256rpx;border-radius:36rpx;margin-top:24rpx;position:relative;overflow:hidden;
+  background:
+    linear-gradient(180deg,rgba(115,190,157,.16),rgba(115,190,157,0)),
+    repeating-linear-gradient(0deg,#fff,#fff 60rpx,#EFE8DE 62rpx);
+}
+.chart-line{position:absolute;left:36rpx;right:36rpx;top:44rpx;bottom:44rpx;width:auto;height:auto}
+
+.health-timeline{display:flex;flex-direction:column;gap:20rpx}
+.health-event{display:flex;gap:20rpx;background:#FBFAF8;border-radius:32rpx;padding:24rpx}
+.event-dot{
+  width:68rpx;height:68rpx;border-radius:26rpx;flex:none;
+  display:flex;align-items:center;justify-content:center;background:#FFF0D7;font-size:34rpx;
+}
+.he-b{font-size:28rpx;font-weight:700}
+.he-p{color:var(--muted);font-size:24rpx;line-height:1.45;margin-top:6rpx}
+
+/* 页面不自身滚动，改由 page-scroll 承载滚动（隐藏滚动条）*/
+page{height:100vh;overflow:hidden;display:flex;flex-direction:column}
+.page-scroll{flex:1;min-height:0}