perf(platform): 创作页加载 - 合并用户数据与余额请求并按路由延迟加载

backend/internal/handler/user_data.go

@@ -299,6 +299,19 @@ func RegisterUserDataRoutes(r *gin.RouterGroup, svc *service.Service) {
 		}
 		ok(c, gin.H{"assets": assets})
 	})
+	r.GET("/user-data/snapshot", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		snapshot, err := svc.UserDataSnapshot(user.ID)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, snapshot)
+	})
 	r.GET("/assets/:id", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
 		if err != nil {