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-be/internal/handler/report.go

@@ -0,0 +1,49 @@
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+
+	"github.com/sundynix/pets-be/internal/middleware"
+	"github.com/sundynix/pets-be/pkg/response"
+)
+
+// WeeklyReport GET /api/pets/:id/report/weekly
+func (h *Handler) WeeklyReport(c *gin.Context) {
+	rep, err := h.svc.GetWeeklyReport(middleware.UserID(c), uintParam(c, "id"))
+	if err != nil {
+		respondErr(c, err)
+		return
+	}
+	response.OK(c, rep)
+}
+
+// Bill GET /api/pets/:id/bill?period=month
+func (h *Handler) Bill(c *gin.Context) {
+	period := c.DefaultQuery("period", "month")
+	bill, err := h.svc.GetBill(middleware.UserID(c), uintParam(c, "id"), period)
+	if err != nil {
+		respondErr(c, err)
+		return
+	}
+	response.OK(c, bill)
+}
+
+// HealthSummary GET /api/pets/:id/health-summary
+func (h *Handler) HealthSummary(c *gin.Context) {
+	sum, err := h.svc.GetHealthSummary(middleware.UserID(c), uintParam(c, "id"))
+	if err != nil {
+		respondErr(c, err)
+		return
+	}
+	response.OK(c, sum)
+}
+
+// Poster GET /api/pets/:id/poster
+func (h *Handler) Poster(c *gin.Context) {
+	poster, err := h.svc.GetPoster(middleware.UserID(c), uintParam(c, "id"))
+	if err != nil {
+		respondErr(c, err)
+		return
+	}
+	response.OK(c, poster)
+}