fix: 修复收入统计 404，并隔离支付测试/生产配置

Dashboard 收入接口路径对齐；登录页去掉「授权管理平台」；Waffo 测试/生产密钥与 Product 映射分环境保存。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/router/router.go

@@ -228,6 +228,7 @@ func SetupRouter(db *gorm.DB, cfg *config.Config) *gin.Engine {
 				register(analyticsGroup, "GET", "/license-growth", analyticsController.GetLicenseGrowth)
 				register(analyticsGroup, "GET", "/license-growth-detail", analyticsController.GetLicenseGrowthDetail)
 				register(analyticsGroup, "GET", "/product-distribution", analyticsController.GetProductDistribution)
+				register(analyticsGroup, "GET", "/revenue", analyticsController.GetRevenueStats)
 				register(analyticsGroup, "GET", "/geo-distribution", analyticsController.GetGeoDistribution)
 				register(analyticsGroup, "GET", "/platform-distribution", analyticsController.GetPlatformDistribution)
 			}